{"id":10412,"date":"2026-08-07T16:36:44","date_gmt":"2026-08-07T08:36:44","guid":{"rendered":"https:\/\/am-material.com\/?p=10412"},"modified":"2026-07-21T16:48:50","modified_gmt":"2026-07-21T08:48:50","slug":"how-4340-alloy-steel-powder-performs-in-powder-bed-fusion-systems","status":"publish","type":"post","link":"https:\/\/am-material.com\/ko\/news\/how-4340-alloy-steel-powder-performs-in-powder-bed-fusion-systems\/","title":{"rendered":"\ubd84\ub9d0 \ubca0\ub4dc \uc6a9\uc735 \uc2dc\uc2a4\ud15c\uc5d0\uc11c 4340 \ud569\uae08\uac15 \ubd84\ub9d0\uc758 \uc131\ub2a5"},"content":{"rendered":"<h2 class=\"wp-block-heading\">\uac04\ub2e8\ud55c \ub2f5\ubcc0<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>4340 \ud569\uae08\uac15 \ubd84\ub9d0<\/strong> \ub294 \uad6c\ud615 Ni-Cr-Mo \uc800\ud569\uae08\uac15 \uc6d0\ub8cc(\uba85\ubaa9\uc0c1 0.40% C, 1.8% Ni, 0.8% Cr, 0.25% Mo, \uc794\uc5ec\ubd84 Fe)\ub85c, \ub808\uc774\uc800 \ud30c\uc6b0\ub354 \ubca0\ub4dc \uc735\ud569, \uc9c0\ud5a5 \uc5d0\ub108\uc9c0 \uc99d\ucc29, \ubc14\uc778\ub354 \uc81c\ud305 \ubc0f \ubd84\ub9d0 \uc57c\uae08 \uacf5\uc815\uc5d0 \uc0ac\uc6a9\ub418\uc5b4 \ucd08\uace0\uac15\ub3c4 \uad6c\uc870 \ubd80\ud488\uc744 \uc0dd\uc0b0\ud569\ub2c8\ub2e4. \ubd84\ub9d0 \ubca0\ub4dc \uc735\ud569 \uc2dc\uc2a4\ud15c\uc5d0\uc11c\ub294 \uc6b0\uc218\ud55c \uc131\ub2a5\uc744 \ubcf4\uc774\uc9c0\ub9cc, \uc774 \uc18c\uc7ac\uc758 \uacbd\ud654\uc131\uc744 \uace0\ub824\ud574\uc57c \ud569\ub2c8\ub2e4. \uc989, \ub2f4\uae08\uc9c8 \ubc0f \ud15c\ud37c\ub9c1 \ud6c4 \uc778\uc7a5 \uac15\ub3c4\uac00 1,000~1,900 MPa\uc5d0 \ub2ec\ud558\ub294 \ub3d9\uc77c\ud55c \ud654\ud559 \uc131\ubd84\uc73c\ub85c \uc778\ud574, \ucd9c\ub825\ub41c \uad6c\uc870\ubb3c\uc740 \ub9c8\ub974\ud150\uc0ac\uc774\ud2b8 \uc804\uc774 \uc751\ub825\uacfc \uade0\uc5f4\uc774 \ubc1c\uc0dd\ud558\uae30 \uc26c\uc6b0\ubbc0\ub85c, \ub530\ub77c\uc11c \uc131\uacf5\uc801\uc778 LPBF \uacf5\uc815\uc744 \uc704\ud574\uc11c\ub294 \ube4c\ub4dc \ud50c\ub808\uc774\ud2b8\ub97c 100~200\u00b0C\ub85c \uc608\uc5f4\ud558\uace0, 250~350 W \ubc0f 800~1,200 mm\/s \uc218\uc900\uc758 \ubcf4\uc218\uc801\uc778 \uc2a4\uce94 \ub9e4\uac1c\ubcc0\uc218\ub97c \uc801\uc6a9\ud558\uba70, \uce35 \ub450\uaed8\ub97c 30~50 \ub9c8\uc774\ud06c\ub860\uc73c\ub85c \uc124\uc815\ud558\uace0, \uc801\uce35 \uc9c1\ud6c4 \uc989\uc2dc \uc751\ub825 \uc81c\uac70 \ucc98\ub9ac\ub97c \uc218\ud589\ud574\uc57c \ud569\ub2c8\ub2e4. \ubd84\ub9d0 \ud488\uc9c8\uc758 \ud544\uc218 \uc694\uac74\uc740 LPBF\uc758 \uacbd\uc6b0 15~53 \ub9c8\uc774\ud06c\ub860\uc758 \uc785\ub3c4 \ubd84\ud3ec(PSD)(DED\uc758 \uacbd\uc6b0 45~106 \ub9c8\uc774\ud06c\ub860), 93% \uc774\uc0c1\uc758 \uad6c\ud615\ub3c4, 0.05 wt% \ubbf8\ub9cc\uc758 \uc0b0\uc18c \ud568\ub7c9, \uadf8\ub9ac\uace0 20\ucd08\/50g \ubbf8\ub9cc\uc758 \ud640 \uc720\ub3d9 \uc2dc\uac04\uc785\ub2c8\ub2e4. \ub2f4\uae08\uc9c8 \ubc0f \ud15c\ud37c\ub9c1 \ud6c4, \uc801\uce35 \uc81c\uc870\ub41c 4340 \ubd80\ud488\uc740 \ud15c\ud37c\ub9c1 \uc628\ub3c4\uc5d0 \ub530\ub77c 28~50 HRC\uc758 \uacbd\ub3c4\uc5d0 \ub3c4\ub2ec\ud558\uba70, \uae30\uc5b4, \uc0e4\ud504\ud2b8 \ubc0f \ud56d\uacf5\uc6b0\uc8fc\uc6a9 \ud53c\ud305\uc5d0 \uc801\ud569\ud55c \ud53c\ub85c \uac15\ub3c4\uc640 \ud30c\uad34 \uc778\uc131\uc744 \uac16\uc2b5\ub2c8\ub2e4. \uad6c\ub9e4\uc790\ub294 \ud654\ud559 \uc131\ubd84, \uc0b0\uc18c \ud568\ub7c9, \uc785\ub3c4 \ubd84\ud3ec(PSD), \uc720\ub3d9\uc131\uc744 \ud3ec\ud568\ud558\ub294 \ubc30\uce58 \uc778\uc99d\uc11c\ub97c \uc694\uccad\ud574\uc57c \ud558\uba70, \uc5f4\ucc98\ub9ac \uacf5\uc815\uc744 \uc0ac\ud6c4 \uace0\ub824 \uc0ac\ud56d\uc774 \uc544\ub2cc \uacf5\uc815 \uc124\uacc4\uc758 \uc77c\ud658\uc73c\ub85c \uacc4\ud68d\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">4340 \ud569\uae08\uac15 \ubd84\ub9d0\uc774\ub780 \ubb34\uc5c7\uc774\uba70, \uadf8 \uc0b0\uc5c5\uc801 \uc911\uc694\uc131\uc740 \ubb34\uc5c7\uc778\uac00<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>4340 \ud569\uae08\uac15 \ubd84\ub9d0<\/strong> \uae30\uacc4 \uacf5\ud559 \ubd84\uc57c\uc5d0\uc11c \uac00\uc7a5 \uc911\uc694\ud55c \ucd08\uace0\uac15\ub3c4 \uac15\uc885 \uc911 \ud558\ub098\uc778 AISI\/SAE 4340\uc758 \ubd84\ub9d0 \ud615\ud0dc\uc785\ub2c8\ub2e4. \uc774 \uac15\uc885\uc740 \ub2c8\ucf08-\ud06c\ub86c-\ubab0\ub9ac\ube0c\ub374 \uacc4\uc5f4\uc758 \uc800\ud569\uae08\uac15\uc5d0 \uc18d\ud558\uba70, AISI 4340, UNS G43400\uc73c\ub85c \ud45c\uc900\ud654\ub418\uc5b4 \uc788\uace0, \uc720\ub7fd \uaddc\uaca9\uc778 34CrNiMo6 (1.6582) \ubc0f 36CrNiMo4\uc640 \ubc00\uc811\ud55c \uad00\ub828\uc774 \uc788\uc2b5\ub2c8\ub2e4. \ub2e8\uc870 \ud615\ud0dc\ub85c \uac00\uacf5\ub41c \uc774 \uac15\uc885\uc740 \uac70\uc758 \ud55c \uc138\uae30 \ub3d9\uc548 \ud56d\uacf5\uae30 \ub79c\ub529 \uae30\uc5b4, \ud06c\ub7ad\ud06c\uc0e4\ud504\ud2b8, \uae30\uc5b4, \uad70\uc218 \ubd80\ud488 \ub4f1 \ub2e8\uba74 \ud06c\uae30\uac00 \ud06c\uace0 \ud558\uc911\uc774 \uadf9\uc2ec\ud558\uba70, \uacbd\ub3c4\ub97c \uc704\ud574 \uc778\uc131\uc744 \ud76c\uc0dd\ud560 \uc218 \uc5c6\ub294 \ubaa8\ub4e0 \ubd84\uc57c\uc5d0\uc11c \uc0ac\uc6a9\ub418\uc5b4 \uc654\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">~ \uacc4\uc5f4 \ub0b4\uc5d0\uc11c <a target=\"_blank\" href=\"https:\/\/am-material.com\/ko\/low-alloy-steel-powder\/\" rel=\"noreferrer noopener\">\uc800\ud569\uae08\uac15 \ubd84\ub9d0<\/a> \uc801\uce35 \uc81c\uc870 \ubc0f \ubd84\ub9d0 \uc57c\uae08 \uacf5\uc815\uc5d0 \uc0ac\uc6a9 \uac00\ub2a5\ud55c 4340\uc740 \uace0\uac15\ub3c4 \ubc94\uc8fc\uc5d0\uc11c \ucd5c\uc0c1\uc704 \uc218\uc900\uc744 \ucc28\uc9c0\ud569\ub2c8\ub2e4. H13\uacfc \uac19\uc740 \uacf5\uad6c\uac15\uc740 4340\uc758 \uace0\uc628 \uacbd\ub3c4\ub97c \ub2a5\uac00\ud558\uace0, \ub9c8\ub77c\uc9d5\uac15\uc740 \uac15\ub3c4 \ub300 \uc778\uc131 \ube44\uc728\uc5d0\uc11c 4340\uc744 \uc55e\uc9c0\ub974\uc9c0\ub9cc, \uc5b4\ub290 \uac83\ub3c4 4340\uc774 \uc9c0\ub2cc \uae4a\uc740 \uacbd\ud654\uc131, \ub2e8\uba74 \uc804\uccb4\uc5d0 \uac78\uce5c \uac15\ub3c4, \uadf8\ub9ac\uace0 \ube44\uc6a9 \ud6a8\uc728\uc131\uc758 \uc870\ud569\uc744 \ub530\ub77c\uc7a1\uc9c0\ub294 \ubabb\ud569\ub2c8\ub2e4. \ub2c8\ucf08 \ud568\ub7c9\uc740 \uc774 \ud569\uae08\uc5d0 \ud2b9\uc720\uc758 \uacbd\ud654\uc131\uc744 \ubd80\uc5ec\ud569\ub2c8\ub2e4. \uc2ec\uc9c0\uc5b4 \ub450\uaebc\uc6b4 \ub2e8\uba74\ub3c4 \ub2f4\uae08\uc9c8 \uacfc\uc815\uc5d0\uc11c \uade0\uc77c\ud558\uac8c \ub9c8\ub974\ud150\uc0ac\uc774\ud2b8\ub85c \ubcc0\ud658\ub418\uba70, \uc774\ub294 \ubd84\ub9d0 \uc57c\uae08\ud559\uc801\uc73c\ub85c \ubcfc \ub54c \ubcbd \ub450\uaed8\uac00 \ub2e4\uc591\ud55c \ubd80\ud488 \uc804\ubc18\uc5d0 \uac78\uccd0 \uc77c\uad00\ub418\uac8c \ub192\uc740 \uac15\ub3c4\ub97c \uc720\uc9c0\ud568\uc744 \uc758\ubbf8\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">4340 \ubd84\ub9d0\uc758 \uc0b0\uc5c5\uc801 \uc911\uc694\uc131\uc740 \ub2e4\uc74c\uacfc \uac19\uc740 \uba87 \uac00\uc9c0 \ud2b9\uc131\uc5d0 \uae30\uc778\ud569\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\ucd08\uace0\uac15\ub3c4 \uc131\ub2a5<\/strong>: \uc800\uc628 \ud15c\ud37c\ub9c1 \uc870\uac74\uc5d0\uc11c 1,000 MPa\uc5d0\uc11c \uc57d 1,900 MPa\uc5d0 \uc774\ub974\ub294 \ub2f4\uae08\uc9c8 \ubc0f \ud15c\ud37c\ub9c1 \uc778\uc7a5 \uac15\ub3c4.<\/li>\n\n\n\n<li><strong>\ub6f0\uc5b4\ub09c \uacbd\ud654\uc131<\/strong>: \ub450\uaebc\uc6b4 \ub2e8\uba74 \uc804\uccb4\uc5d0 \uac78\uccd0 \uade0\uc77c\ud55c \uacbd\ub3c4\ub97c \uc720\uc9c0\ud558\uba70, \uc774\ub294 DED(\uc9c1\uc811 \uc5d0\ub108\uc9c0 \uce68\ucc29) \ubc29\uc2dd\uc73c\ub85c \uc218\ub9ac\ub41c \ubd80\ud488 \ubc0f \ub300\ud615 \uc778\uc1c4 \ubd80\ud488\uc5d0 \uc788\uc5b4 \ub9e4\uc6b0 \uc911\uc694\ud569\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>\ud574\ub2f9 \uac15\ub3c4 \ub4f1\uae09\uc5d0 \ube44\ud574 \uc6b0\uc218\ud55c \uc778\uc131<\/strong>: \uc0e4\ub974\ud53c \ucda9\uaca9 \uac15\ub3c4\ub294 \uacbd\ub3c4\uac00 \ub192\uc740 \uc218\uc900\uc5d0\uc11c\ub3c4 \uc5ec\uc804\ud788 \uc720\uc6a9\ud569\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>\ub0b4\ud53c\ub85c\uc131<\/strong>: \uc0e4\ud504\ud2b8 \ubc0f \uae30\uc5b4\uc640 \uac19\uc740 \ud558\uc911\uc774 \uac00\ud574\uc9c0\ub294 \ubd80\ud488\uc758 \ud68c\uc804 \ubc0f \uc9c4\ub3d9 \ubd84\uc57c\uc5d0\uc11c \uc624\ub79c \uc2e4\uc801\uc744 \ubcf4\uc720\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>\ub0b4\ub9c8\ubaa8\uc131<\/strong>: \uace0\uc628\uc6a9 \uc81c\ud488\uc740 \ub2e4\uc774, \uacf5\uad6c \uc0bd\uc785\uc7ac \ubc0f \ub9c8\ubaa8\uc5d0 \ub178\ucd9c\ub418\ub294 \ubd80\ud488\uc5d0 \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\ud30c\uc6b0\ub354 \ubca0\ub4dc \uc735\ud569 \ubc29\uc2dd\uc5d0\uc11c 4340\uc740 \uc774\ubbf8 \ub2e4\ub8e8\uae30 \uc26c\uc6b4 \uac15\uc885\uc744 \uc219\ub2ec\ud55c \uc0ac\uc6a9\uc790\uc5d0\uac8c \uc801\ud569\ud55c \uace0\uc131\ub2a5 \uc18c\uc7ac\ub85c \uc774\ud574\ud558\ub294 \uac83\uc774 \uac00\uc7a5 \uc801\uc808\ud569\ub2c8\ub2e4. \uc774 \uc18c\uc7ac\uc758 \ud0c4\uc18c \ud568\ub7c9\uacfc \uacbd\ud654\uc131 \ub54c\ubb38\uc5d0 \uc778\uc1c4 \uacf5\uc815\uc740 \uc794\ub958 \uc751\ub825 \uad00\ub9ac\ub97c \uc911\uc2ec\uc73c\ub85c \uc124\uacc4\ub418\uc5b4\uc57c \ud558\uc9c0\ub9cc, \uadf8 \ub300\uac00\ub85c \uc801\uc808\ud55c \uc5f4\ucc98\ub9ac\ub97c \uac70\uce5c \ud6c4\uc5d0\ub294 \ub2e8\uc870 4340\uc5d0 \uadfc\uc811\ud558\uac70\ub098 \uc774\uc5d0 \ud544\uc801\ud558\ub294 \uae30\uacc4\uc801 \ud2b9\uc131\uc744 \uc9c0\ub2cc \uc778\uc1c4 \ubd80\ud488\uc744 \uc5bb\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"624\" height=\"503\" src=\"https:\/\/am-material.com\/wp-content\/uploads\/2026\/05\/4340-LOW-ALLOY-STEEL-POWDER.png\" alt=\"4340 \uc800\ud569\uae08\uac15 \ubd84\ub9d0\" class=\"wp-image-10339\" title=\"\" srcset=\"https:\/\/am-material.com\/wp-content\/uploads\/2026\/05\/4340-LOW-ALLOY-STEEL-POWDER.png 624w, https:\/\/am-material.com\/wp-content\/uploads\/2026\/05\/4340-LOW-ALLOY-STEEL-POWDER-300x242.png 300w, https:\/\/am-material.com\/wp-content\/uploads\/2026\/05\/4340-LOW-ALLOY-STEEL-POWDER-15x12.png 15w\" sizes=\"(max-width: 624px) 100vw, 624px\" \/><figcaption><\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\ud654\ud559 \uc870\uc131 \uac1c\uc694 \ubc0f \uc6d0\uc18c \uae30\ub2a5 \ucc38\uc870<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">4340\uc758 \ud654\ud559 \uc131\ubd84\uc740 \uc758\ub3c4\uc801\uc73c\ub85c \uade0\ud615\uc744 \uc774\ub8e8\ub3c4\ub85d \uc124\uacc4\ub418\uc5c8\uc2b5\ub2c8\ub2e4. \ub192\uc740 \uacbd\ub3c4\ub97c \ud655\ubcf4\ud558\uae30\uc5d0 \ucda9\ubd84\ud55c \ud0c4\uc18c, \uacbd\ud654\uc131\uacfc \uc778\uc131\uc744 \ud655\ubcf4\ud558\uae30\uc5d0 \ucda9\ubd84\ud55c \ub2c8\ucf08, \uadf8\ub9ac\uace0 \ub2f4\uae08\uc9c8 \ubc18\uc751\uc744 \uac15\ud654\ud558\uace0 \ud15c\ud37c \ucde8\uc131\uc744 \ubc29\uc9c0\ud558\uae30 \uc704\ud55c \ud06c\ub86c\uacfc \ubab0\ub9ac\ube0c\ub374\uc774 \ud3ec\ud568\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4. \ubd84\ub9d0 \ub4f1\uae09\uc740 AISI 4340\uc758 \uaddc\uaca9\uc744 \ub530\ub974\uba70, \ubd84\ubb34 \uacf5\uc815 \uc911 \uc720\uc785\ub418\ub294 \uc0b0\uc18c\uc640 \uc9c8\uc18c\uc5d0 \ub300\ud574 \ucd94\uac00\uc801\uc778 \uad00\ub9ac\uac00 \uc774\ub8e8\uc5b4\uc9d1\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">4340 \ud569\uae08\uac15\uc758 \ud654\ud559 \uc131\ubd84<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th class=\"has-text-align-left\" data-align=\"left\">\uc694\uc18c<\/th><th class=\"has-text-align-left\" data-align=\"left\">\ubbfc (%)<\/th><th class=\"has-text-align-left\" data-align=\"left\">\ub9e5\uc2a4 (%)<\/th><th class=\"has-text-align-left\" data-align=\"left\">\uc5ed\ud560<\/th><\/tr><\/thead><tbody><tr><td class=\"has-text-align-left\" data-align=\"left\">\ud0c4\uc18c(C)<\/td><td class=\"has-text-align-left\" data-align=\"left\">0.38<\/td><td class=\"has-text-align-left\" data-align=\"left\">0.43<\/td><td class=\"has-text-align-left\" data-align=\"left\">\uc8fc\uc694 \uacbd\ud654 \uc694\uc18c; \ub2f4\uae08\uc9c8 \ud6c4 \uacbd\ub3c4\uc640 \uac15\ub3c4\ub97c \uacb0\uc815\ud568<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">\ub2c8\ucf08(Ni)<\/td><td class=\"has-text-align-left\" data-align=\"left\">1.65<\/td><td class=\"has-text-align-left\" data-align=\"left\">2.00<\/td><td class=\"has-text-align-left\" data-align=\"left\">\ub6f0\uc5b4\ub09c \uc2ec\ubd80 \uacbd\ud654\uc131; \uc778\uc131\uacfc \uc800\uc628 \ucda9\uaca9 \uac15\ub3c4\ub97c \ud5a5\uc0c1\uc2dc\ud0b5\ub2c8\ub2e4<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">\ud06c\ub86c(Cr)<\/td><td class=\"has-text-align-left\" data-align=\"left\">0.70<\/td><td class=\"has-text-align-left\" data-align=\"left\">0.90<\/td><td class=\"has-text-align-left\" data-align=\"left\">\uacbd\ud654\uc131, \ub0b4\ub9c8\ubaa8\uc131 \ubc0f \ud15c\ud37c\ub9c1 \uc800\ud56d\uc131<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">\ubab0\ub9ac\ube0c\ub374(Mo)<\/td><td class=\"has-text-align-left\" data-align=\"left\">0.20<\/td><td class=\"has-text-align-left\" data-align=\"left\">0.30<\/td><td class=\"has-text-align-left\" data-align=\"left\">\uc5f4\ucde8\uc131\uc744 \uc5b5\uc81c\ud558\uace0, \ub2f4\uae08\uc9c8\uc131 \ubc0f \uace0\uc628 \uac15\ub3c4\ub97c \ud5a5\uc0c1\uc2dc\ud0b5\ub2c8\ub2e4.<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">\ub9dd\uac04(Mn)<\/td><td class=\"has-text-align-left\" data-align=\"left\">0.60<\/td><td class=\"has-text-align-left\" data-align=\"left\">0.80<\/td><td class=\"has-text-align-left\" data-align=\"left\">\ud0c8\uc0b0\uc81c; \uacbd\ud654\uc131 \ubc0f \uace0\uc628 \uac00\uacf5\uc131<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">\uc2e4\ub9ac\ucf58(Si)<\/td><td class=\"has-text-align-left\" data-align=\"left\">0.15<\/td><td class=\"has-text-align-left\" data-align=\"left\">0.35<\/td><td class=\"has-text-align-left\" data-align=\"left\">\ud0c8\uc0b0\uc81c; \uc6a9\uccb4 \uac15\ud654<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">\uc778(P)<\/td><td class=\"has-text-align-left\" data-align=\"left\">\u2013<\/td><td class=\"has-text-align-left\" data-align=\"left\">0.035<\/td><td class=\"has-text-align-left\" data-align=\"left\">\ubd88\uc21c\ubb3c; \uc785\uacc4 \ubd80\uc704\ub97c \ucde8\uc131\ud654\uc2dc\ud0a8\ub2e4<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">\uc720\ud669(S)<\/td><td class=\"has-text-align-left\" data-align=\"left\">\u2013<\/td><td class=\"has-text-align-left\" data-align=\"left\">0.040<\/td><td class=\"has-text-align-left\" data-align=\"left\">\ubd88\uc21c\ubb3c; \uc778\uc131 \uc800\ud558\ub97c \ucd08\ub798\ud558\ub294 MnS \ud760\uc744 \ud615\uc131\ud55c\ub2e4<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">\uc0b0\uc18c (O, \ubd84\ub9d0)<\/td><td class=\"has-text-align-left\" data-align=\"left\">\u2013<\/td><td class=\"has-text-align-left\" data-align=\"left\">0.05<\/td><td class=\"has-text-align-left\" data-align=\"left\">\ubd84\ub9d0\uc774 \uacb0\uc815 \uac04 \uacf5\uac04\uc5d0 \uc874\uc7ac\ud558\uba70, \uc5f0\uc131, \ud53c\ub85c \uac15\ub3c4 \ubc0f \ub0b4\ud3ec\ubb3c \ud568\ub7c9\uc5d0 \uc601\ud5a5\uc744 \ubbf8\uce68<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">\ucca0(Fe)<\/td><td class=\"has-text-align-left\" data-align=\"left\">\uc794\uc561<\/td><td class=\"has-text-align-left\" data-align=\"left\">\uc794\uc561<\/td><td class=\"has-text-align-left\" data-align=\"left\">\uae30\ubcf8 \ud589\ub82c<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\ud0c4\uc18c<\/strong> 0.38~0.43% \ubc94\uc704\ub294 \ud569\uae08\uc758 \ud2b9\uc131\uc744 \uacb0\uc815\ud569\ub2c8\ub2e4. \uc774 \uc218\uce58\ub294 \ub2f4\uae08\uc9c8 \ud6c4 \uacbd\ub3c4\ub97c 50 HRC \uc774\uc0c1\uc73c\ub85c \ub04c\uc5b4\uc62c\ub9b4 \ub9cc\ud07c \ucda9\ubd84\ud788 \ub192\uae30 \ub54c\ubb38\uc5d0, \uc801\uce35 \uc81c\uc870\ub41c 4340\uc740 316L\uc774\ub098 \ub9c8\ub808\uc9d5\uac15\uacfc \uac19\uc740 \ubc29\uc2dd\uc73c\ub85c \ucc98\ub9ac\ud560 \uc218 \uc5c6\uc2b5\ub2c8\ub2e4. \uc778\uc1c4\ub41c \uce35\uc774 \ub0c9\uac01\ub428\uc5d0 \ub530\ub77c \uc624\uc2a4\ud14c\ub098\uc774\ud2b8\uac00 \ub2e8\ub2e8\ud558\uace0 \ucde8\uc131\uc774 \uac15\ud55c \ub9c8\ub974\ud150\uc0ac\uc774\ud2b8\ub85c \uc0c1\ubcc0\ud0dc\ub418\uba70, \uc5f4 \uad6c\ubc30\uac00 \uc801\uc808\ud788 \uc81c\uc5b4\ub418\uc9c0 \uc54a\uc744 \uacbd\uc6b0 \uade0\uc5f4\uc744 \uc720\ubc1c\ud558\ub294 \uc0c1\ubcc0\ud0dc \uc751\ub825\uc774 \ubc1c\uc0dd\ud569\ub2c8\ub2e4. \uc774 \uc0ac\uc2e4 \ud558\ub098\ub9cc\uc73c\ub85c\ub3c4 \uc55e\uc11c \ub9e4\uac1c\ubcc0\uc218 \uc9c0\uce68\uc5d0\uc11c \ub17c\uc758\ub41c \uacf5\uc815 \uad00\ub9ac \uc694\uac74\uc758 \ub300\ubd80\ubd84\uc744 \uc124\uba85\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\ub2c8\ucf08<\/strong> \uacbd\ud654\uc131\uc758 \ud575\uc2ec \uc694\uc18c\uc774\uc790 \uc778\uc131\uc758 \ubcf4\uc99d \uc694\uc18c\uc785\ub2c8\ub2e4. 1.65~2.00%\ub97c \ucca8\uac00\ud558\uba74 \ub9c8\ub974\ud150\uc0ac\uc774\ud2b8 \uc2dc\uc791 \uc628\ub3c4\ub97c \uc801\ub2f9\ud788 \ub0ae\ucd94\ub294 \ub3d9\uc2dc\uc5d0 \ubca0\uc774\ub098\uc774\ud2b8 \ubc0f \ud384\ub77c\uc774\ud2b8 \ubcc0\ud0dc \uc18d\ub3c4\ub97c \ud604\uc800\ud788 \ub2a6\ucd94\ubbc0\ub85c, \ubd80\ud488\uc774 \uae4a\uace0 \uade0\uc77c\ud558\uac8c \uacbd\ud654\ub429\ub2c8\ub2e4. \ub2c8\ucf08\uc740 \ub610\ud55c \uc77c\ubc18 \ud0c4\uc18c\uac15\uc774 \uc720\ub9ac\uc9c8 \ucde8\uc131\uc744 \ub760\uac8c \ub418\ub294 \uace0\uac15\ub3c4 \uc601\uc5ed\uc5d0\uc11c 4340\uac15\uc774 \uc720\uc6a9\ud55c \uc778\uc131\uc744 \ubc1c\ud718\ud558\ub294 \ub370 \uac00\uc7a5 \ud070 \uc5ed\ud560\uc744 \ud558\ub294 \uc6d0\uc18c\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\ud06c\ub86c\uacfc \ubab0\ub9ac\ube0c\ub374<\/strong> \uc30d\uc744 \uc774\ub8e8\uc5b4 \uc791\uc6a9\ud569\ub2c8\ub2e4. \ud06c\ub86c\uc740 \uacbd\ud654\uc131, \ub0b4\ub9c8\ubaa8\uc131 \ubc0f \ud15c\ud37c\ub9c1 \uc911 \uc5f0\ud654 \ud604\uc0c1\uc5d0 \ub300\ud55c \uc800\ud56d\uc131\uc744 \ub192\uc5ec\uc8fc\uba70; \ubab0\ub9ac\ube0c\ub374\uc740 0.20~0.30%\uc5d0 \ubd88\uacfc\ud55c \uc591\uc73c\ub85c \ud568\uc720\ub418\uc5b4 \uc788\uc74c\uc5d0\ub3c4 \ubd88\uad6c\ud558\uace0, 350~550\u00b0C \ubc94\uc704\uc5d0\uc11c \ubcf4\uc628 \ub610\ub294 \uc11c\uc11c\ud788 \ub0c9\uac01\ub420 \ub54c \ub2c8\ud06c\ub86c\uac15\uc774 \uacaa\ub294 \uc778\uc131 \uc800\ud558 \ud604\uc0c1\uc778 '\ud15c\ud37c \ucde8\uc131'\uc744 \uc5b5\uc81c\ud558\ub294 \ub370 \uc9c0\ub300\ud55c \uc5ed\ud560\uc744 \ud569\ub2c8\ub2e4. \uc774\uac83\uc774 \ubc14\ub85c 4340\uac15\uc774 \ub2e8\uc21c\ud55c Ni-Cr \uac15\uc885\uacfc\ub294 \ub2ec\ub9ac \uae68\ub057\ud558\uac8c \ud15c\ud37c\ub9c1\ub418\ub294 \uc774\uc720\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ubd84\ub9d0 \uad6c\ub9e4\uc790 \uc5ec\ub7ec\ubd84\uaed8, <strong>\uc0b0\uc18c<\/strong> \ud569\uae08 \uc6d0\uc18c\uc640 \ub9c8\ucc2c\uac00\uc9c0\ub85c \uba74\ubc00\ud55c \uac80\ud1a0\uac00 \ud544\uc694\ud569\ub2c8\ub2e4. \ubd84\ubb34 \uacf5\uc815\uacfc \ubd84\ub9d0 \uc7ac\uc0ac\uc6a9\uc740 \uc0b0\ud654\ubb3c \ud568\ub7c9\uc744 \uc99d\uac00\uc2dc\ud0a4\uba70, \uc0b0\uc18c \ud568\ub7c9\uc774 \ub300\ub7b5 0.05 wt%\ub97c \ucd08\uacfc\ud558\uba74 \ub0b4\ud3ec\ubb3c \ubc00\ub3c4\uac00 \ub192\uc544\uc838, \ud53c\ub85c \uac15\ub3c4\uac00 \ud575\uc2ec\uc778 \uad6c\uc870\uc6a9 \uc7ac\ub8cc\uc758 \uc5f0\uc131\uacfc \ud53c\ub85c \uc218\uba85\uc744 \uc9c1\uc811\uc801\uc73c\ub85c \uc800\ud558\uc2dc\ud0b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\uc5d4\uc9c0\ub2c8\uc5b4\ub9c1 \uc124\uacc4\uc5d0 \ud65c\uc6a9\ub418\ub294 \ubb3c\ub9ac\uc801 \ubc0f \uae30\uacc4\uc801 \ud2b9\uc131<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">4340\uc758 \uc124\uacc4 \uac12\uc740 \uc5f4\ucc98\ub9ac \uc870\uac74\uc5d0 \ub530\ub77c \uacb0\uc815\uc801\uc73c\ub85c \ub2ec\ub77c\uc9c0\ubbc0\ub85c, \uc544\ub798 \ub370\uc774\ud130\uc5d0\uc11c\ub294 \uc5b4\ub2d0\ub9c1\ub41c \uae30\uc900 \uc0c1\ud0dc\uc640 \uc2e4\uc81c \uc0ac\uc6a9\uacfc \uad00\ub828\ub41c \ub2f4\uae08\uc9c8 \ubc0f \ud15c\ud37c\ub9c1 \ucc98\ub9ac\ub41c \uc0c1\ud0dc\ub97c \uad6c\ubd84\ud558\uc5ec \uc81c\uc2dc\ud569\ub2c8\ub2e4. \uc774 \uac12\ub4e4\uc740 \ub2e8\uc870 \ub4f1\uac00 \uc7ac\ub8cc\uc758 \uc2e4\uc628 \uc2dc\ud5d8\uc5d0 \uc801\uc6a9\ub418\uba70, \uc801\uc808\ud558\uac8c \uac00\uacf5\ub41c LPBF \ubc0f HIP \ucc98\ub9ac\ub41c \ubd84\ub9d0 \uc57c\uae08 \ubd80\ud488\ub3c4 \ub3d9\uc77c\ud55c \ubc94\uc704\ub97c \ub2ec\uc131\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\uc8fc\uc694 \uc18d\uc131<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th class=\"has-text-align-left\" data-align=\"left\">\uc18d\uc131<\/th><th class=\"has-text-align-left\" data-align=\"left\">\uac00\uce58<\/th><th class=\"has-text-align-left\" data-align=\"left\">\ub2e8\uc704<\/th><\/tr><\/thead><tbody><tr><td class=\"has-text-align-left\" data-align=\"left\">\ubc00\ub3c4<\/td><td class=\"has-text-align-left\" data-align=\"left\">7.85<\/td><td class=\"has-text-align-left\" data-align=\"left\">g\/cm3<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">\uc6a9\uc735 \ubc94\uc704<\/td><td class=\"has-text-align-left\" data-align=\"left\">1427-1500<\/td><td class=\"has-text-align-left\" data-align=\"left\">\u00b0C<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">\uc5f4 \uc804\ub3c4\uc131<\/td><td class=\"has-text-align-left\" data-align=\"left\">44-46<\/td><td class=\"has-text-align-left\" data-align=\"left\">W\/m\u00b7K<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">\uc5f4\ud33d\ucc3d \uacc4\uc218<\/td><td class=\"has-text-align-left\" data-align=\"left\">12.3<\/td><td class=\"has-text-align-left\" data-align=\"left\">\uc74c\/m*K<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">\ud0c4\uc131 \uacc4\uc218<\/td><td class=\"has-text-align-left\" data-align=\"left\">205<\/td><td class=\"has-text-align-left\" data-align=\"left\">GPa<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">\uc778\uc7a5 \uac15\ub3c4 (\uc5b4\ub2d0\ub9c1 \ucc98\ub9ac)<\/td><td class=\"has-text-align-left\" data-align=\"left\">745<\/td><td class=\"has-text-align-left\" data-align=\"left\">MPa<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">\ud56d\ubcf5\uac15\ub3c4 (\uc5b4\ub2d0\ub9c1 \ucc98\ub9ac)<\/td><td class=\"has-text-align-left\" data-align=\"left\">470<\/td><td class=\"has-text-align-left\" data-align=\"left\">MPa<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">\uc778\uc7a5 \uac15\ub3c4 (Q&amp;T, 200\u00b0C \ud15c\ud37c \ucc98\ub9ac)<\/td><td class=\"has-text-align-left\" data-align=\"left\">1860-1930<\/td><td class=\"has-text-align-left\" data-align=\"left\">MPa<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">\ud56d\ubcf5 \uac15\ub3c4 (Q&amp;T, 200\u00b0C \ud15c\ud37c \ucc98\ub9ac)<\/td><td class=\"has-text-align-left\" data-align=\"left\">1640-1700<\/td><td class=\"has-text-align-left\" data-align=\"left\">MPa<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">\uc5f0\uc2e0\uc728 (Q&amp;T, \uace0\uac15\ub3c4)<\/td><td class=\"has-text-align-left\" data-align=\"left\">10-12<\/td><td class=\"has-text-align-left\" data-align=\"left\">%<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">\uacbd\ub3c4 \ubc94\uc704 (Q&amp;T)<\/td><td class=\"has-text-align-left\" data-align=\"left\">28-50<\/td><td class=\"has-text-align-left\" data-align=\"left\">HRC<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">\uc0e4\ub974\ud53c V\uc790 \ub178\uce58 (Q&amp;T, 28-32 HRC)<\/td><td class=\"has-text-align-left\" data-align=\"left\">60-80<\/td><td class=\"has-text-align-left\" data-align=\"left\">J<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\uadf8\ub9ac\uace0 <strong>\uac15\ub3c4 \uc2a4\ud399\ud2b8\ub7fc<\/strong> \uc774\uac83\uc774 \uc124\uacc4\uc758 \ud575\uc2ec\uc785\ub2c8\ub2e4. \uc57d 200\u00b0C\uc5d0\uc11c \ud15c\ud37c\ub9c1\uc744 \uc2e4\uc2dc\ud558\uba74 \ub9c8\ubaa8 \ubc0f \uacf5\uad6c \uc6a9\ub3c4\ub85c \uc0ac\uc6a9\ud558\uae30\uc5d0 \uc801\ud569\ud55c \ucd5c\ub300 \uacbd\ub3c4 \uc218\uc900(~48-50 HRC)\uacfc 1,900 MPa\uc5d0 \uc721\ubc15\ud558\ub294 \uc778\uc7a5 \uac15\ub3c4\ub97c \uc720\uc9c0\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. 425~650\u00b0C\uc5d0\uc11c \ud15c\ud37c\ub9c1\uc744 \uc2e4\uc2dc\ud558\uba74 \uac15\ub3c4\ub97c \ud76c\uc0dd\ud558\uace0 \uc778\uc131\uc744 \ud655\ubcf4\ud558\uc5ec, 28~34 HRC\uc758 \uacbd\ub3c4\uc640 1,000~1,200 MPa\uc758 \uc778\uc7a5 \uac15\ub3c4\ub97c \ub2ec\uc131\ud558\uba70, \ucd5c\uace0\uc758 \ucda9\uaca9 \ubc0f \ud53c\ub85c \uc131\ub2a5\uc744 \ubc1c\ud718\ud558\ub294\ub370, \uc774\ub294 \ub300\ubd80\ubd84\uc758 \uad6c\uc870\uc6a9 \ubc0f \ud68c\uc804 \ubd80\ud488\uc774 \uc791\ub3d9\ud558\ub294 \uc870\uac74\uc785\ub2c8\ub2e4. \ub2e8\uc77c \ubd84\ub9d0 \uc870\uc131\uc73c\ub85c 900 MPa \uac15\ub3c4 \ubc94\uc704 \uc804\ubc18\uc5d0 \uac78\uccd0 \uc774\ub7ec\ud55c \uc870\uc815 \uac00\ub2a5\uc131\uc744 \ud655\ubcf4\ud560 \uc218 \uc788\ub2e4\ub294 \uc810\uc740 \uc9c4\uc815\ud55c \uacf5\uae09\ub9dd\uc0c1\uc758 \uc774\uc810\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uadf8\ub9ac\uace0 <strong>205 GPa\uc758 \ud0c4\uc131 \uacc4\uc218<\/strong> \ub610\ud55c 7.85 g\/cm\u00b3\uc758 \ubc00\ub3c4\ub85c \uc778\ud574 4340 \ubd80\ud488\uc740 \uac15\uc131\uc774 \ub192\uace0 \ubb34\uac81\uc2b5\ub2c8\ub2e4. 4340 3D \ud504\ub9b0\ud305 \ubd80\ud488\uc758 \uacbd\ub7c9\ud654 \ub17c\ub9ac\ub294 \uc18c\uc7ac \ub300\uccb4\ubcf4\ub2e4\ub294 \ud1a0\ud3f4\ub85c\uc9c0 \ucd5c\uc801\ud654\uc640 \ubd80\ud488 \ud1b5\ud569\uc5d0 \uae30\ubc18\uc744 \ub450\uace0 \uc788\uc2b5\ub2c8\ub2e4. \uc57d 45 W\/m*K \uc218\uc900\uc758 \uc5f4\uc804\ub3c4\uc728\uc740 \uc54c\ub8e8\ubbf8\ub284 \ud569\uae08\uc758 \uc57d 1\/4\uc5d0 \ubd88\uacfc\ud574 \uadf8\ub2e4\uc9c0 \ub192\uc9c0 \uc54a\uc73c\ubbc0\ub85c, \ud615\uc0c1 \ub0c9\uac01 \ucc44\ub110\uc774 \uc801\uc6a9\ub41c 4340 \uc18c\uc7ac\uc758 3D \ud504\ub9b0\ud305 \uacf5\uad6c\ub294 \uae30\uc874\uc758 \ub4dc\ub9b4 \uac00\uacf5 \uacf5\uad6c\uc5d0 \ube44\ud574 \uc0ac\uc774\ud074 \uc2dc\uac04 \uce21\uba74\uc5d0\uc11c \uc2e4\uc9c8\uc801\uc778 \uc774\uc810\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>LPBF \uc124\uacc4\uc790 \uc5ec\ub7ec\ubd84\uaed8<\/strong>, \ud45c\uc5d0\ub294 \uac00\uc7a5 \uc911\uc694\ud55c \ud2b9\uc131\uc778 \u2018\uacbd\ud654\uc131\u2019 \uc790\uccb4\uac00 \ube60\uc838 \uc788\uc2b5\ub2c8\ub2e4. \uacf5\uae30 \ub0c9\uac01\ub9cc\uc73c\ub85c\ub3c4 \uc587\uc740 \ubd80\uc704\ub294 \ubd80\ubd84\uc801\uc73c\ub85c \uacbd\ud654\ub420 \uc218 \uc788\uae30 \ub54c\ubb38\uc5d0, \ucd9c\ub825\ub41c \uc0c1\ud0dc\uc758 4340 \uac15\uc7ac\uc5d0\ub294 \uc794\ub958 \uc778\uc7a5 \uc751\ub825\uc5d0 \uac07\ud78c \uacbd\uc9c8 \ub9c8\ub974\ud150\uc0ac\uc774\ud2b8 \uc601\uc5ed\uc774 \ud3ec\ud568\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4. \ud45c\uc900 \uacf5\uc815\uc740 \uc801\uce35 \uc9c1\ud6c4, \uc9c0\uc9c0\ub300 \uc81c\uac70 \uc804\uc5d0 550~650\u00b0C\uc5d0\uc11c \uc751\ub825 \uc81c\uac70 \ucc98\ub9ac\ub97c \uc218\ud589\ud55c \ub4a4, \uc804\uccb4 \uc624\uc2a4\ud14c\ub098\uc774\ud2b8\ud654-\ub2f4\uae08\uc9c8-\ud15c\ud37c\ub9c1 \uc8fc\uae30\ub97c \uac70\uce58\ub294 \uac83\uc785\ub2c8\ub2e4(\uc57d 845\u00b0C\uc5d0\uc11c \uc624\uc2a4\ud14c\ub098\uc774\ud2b8\ud654, \uc624\uc77c \ub610\ub294 \ud3f4\ub9ac\uba38 \ub2f4\uae08\uc9c8, \ubaa9\ud45c \uacbd\ub3c4\uc5d0 \ub3c4\ub2ec\ud560 \ub54c\uae4c\uc9c0 \ud15c\ud37c\ub9c1). \uc751\ub825 \uc81c\uac70 \uacf5\uc815\uc744 \uc0dd\ub7b5\ud558\ub294 \uac83\uc740 \ubd80\ud488 \uade0\uc5f4 \ubc0f \ud615\uc0c1 \ubcc0\ud615\uc758 \uac00\uc7a5 \ud754\ud55c \uc6d0\uc778\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\ub0b4\ud53c\ub85c\uc131<\/strong> \ud30c\uc6b0\ub354 \ubca0\ub4dc \ubc29\uc2dd\uc758 \ubd80\ud488\uc5d0\uc11c \uc774\ub294 \uae30\uacf5\ub960\uacfc \ud45c\uba74 \uc0c1\ud0dc\uc5d0 \ub530\ub77c \ub2ec\ub77c\uc9d1\ub2c8\ub2e4. <a target=\"_blank\" href=\"https:\/\/am-material.com\/ko\/hot-isostatic-pressing-hip\/\" rel=\"noreferrer noopener\">\uc5f4\uac04 \ub4f1\ubc29\uc131 \ud504\ub808\uc2a4(HIP)<\/a> \ub0b4\ubd80 \uae30\uacf5\uc744 \uba54\uc6cc\uc8fc\uba70, 10^7 \uc0ac\uc774\ud074 \uae30\uc900 \ud53c\ub85c \uac15\ub3c4\ub97c \uc81c\uc870 \uc9c1\ud6c4 \ud45c\uba74 \ub300\ube44 \uc57d 2\ubc30\ub85c \ub192\uc5ec\uc8fc\ub294 \ubc18\uba74, \uae30\uacc4 \uac00\uacf5 \ub610\ub294 \uc5f0\ub9c8\ub41c \ud45c\uba74\uc740 \ub2e8\uc870\ud488\uc758 \ub370\uc774\ud130\uc640 \ube44\uad50\ud588\uc744 \ub54c \ub0a8\uc544 \uc788\ub294 \uaca9\ucc28\ub97c \ub300\ubd80\ubd84 \ud574\uc18c\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\uc801\uc6a9 \uac00\ub2a5\ud55c \ub4f1\uae09, \uc785\uc790 \ubd84\ud3ec \ubc0f \ud5c8\uc6a9 \uc624\ucc28 \uae30\uc900<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">4340 \ubd84\ub9d0\uc740 \uac01 \uc18c\uacb0 \uacf5\uc815\uc5d0 \ub9de\ucdb0 \ubd84\ub958\ub41c \ud615\ud0dc\ub85c \uc2dc\uc911\uc5d0\uc11c \uad6c\ud560 \uc218 \uc788\uc73c\uba70, LPBF \ub4f1\uae09\uc740 \uac00\uc7a5 \uc5c4\uaca9\ud55c \ud615\ud0dc \ubc0f \uc0bd\uc785\ubb3c \uc694\uac74\uc744 \ucda9\uc871\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\uc0ac\uc6a9 \uac00\ub2a5\ud55c \uc0ac\uc591<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th class=\"has-text-align-left\" data-align=\"left\">\ub9e4\uac1c\ubcc0\uc218<\/th><th class=\"has-text-align-left\" data-align=\"left\">\ud45c\uc900\/\uac12<\/th><\/tr><\/thead><tbody><tr><td class=\"has-text-align-left\" data-align=\"left\">LPBF\/SLM\uc6a9 PSD<\/td><td class=\"has-text-align-left\" data-align=\"left\">15~53 um (D10 ~22, D50 ~36, D90 ~55)<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">DED\uc6a9 PSD<\/td><td class=\"has-text-align-left\" data-align=\"left\">45~106 um \ub610\ub294 53~150 um<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">\ubc14\uc778\ub354 \uc81c\ud305\uc6a9 PSD<\/td><td class=\"has-text-align-left\" data-align=\"left\">15~45 um<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">MIM\uc6a9 PSD<\/td><td class=\"has-text-align-left\" data-align=\"left\">0~22 um \ub610\ub294 0~38 um<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">\uc555\ucd95-\uc18c\uacb0\ud615 PM\uc6a9 PSD<\/td><td class=\"has-text-align-left\" data-align=\"left\">45~150 um<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">\uad6c\ud615\uc131<\/td><td class=\"has-text-align-left\" data-align=\"left\">&gt;= 93%<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">\ud640 \uc720\ub7c9<\/td><td class=\"has-text-align-left\" data-align=\"left\">&lt;= 20\ucd08\/50g<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">\uac89\ubcf4\uae30 \ubc00\ub3c4<\/td><td class=\"has-text-align-left\" data-align=\"left\">&gt;= 4.3 g\/cm\u00b3<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">\ud0ed \ubc00\ub3c4<\/td><td class=\"has-text-align-left\" data-align=\"left\">&gt;= 4.9 g\/cm\u00b3<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">\uc0b0\uc18c \ud568\ub7c9<\/td><td class=\"has-text-align-left\" data-align=\"left\">&lt;= 0.05 wt% (\ud504\ub9ac\ubbf8\uc5c4 &lt;= 0.03 wt%)<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">\ud654\ud559 \ucc38\uace0 \uc790\ub8cc<\/td><td class=\"has-text-align-left\" data-align=\"left\">AISI\/SAE 4340, UNS G43400<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">\ud3ec\uc7a5<\/td><td class=\"has-text-align-left\" data-align=\"left\">\uc9c4\uacf5 \ubc00\ubd09 \ub610\ub294 \uc544\ub974\uace4 \ucda9\uc804\ub41c 25~50kg \ub4dc\ub7fc<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\uadf8\ub9ac\uace0 <strong>15~53 \ub9c8\uc774\ud06c\ub860 LPBF \uc808\ub2e8<\/strong> \uc774\ub294 \ud30c\uc6b0\ub354 \ubca0\ub4dc \uc735\ud569 \uacf5\uc815\uc758 \uae30\ubcf8 \uc124\uc815\uc774\uba70, \uc720\ub3d9\uc131\uc744 \ud655\ubcf4\ud558\uae30 \uc704\ud574 15 \ub9c8\uc774\ud06c\ub860 \ubbf8\ub9cc\uc758 \ubbf8\uc138 \uc785\uc790 \ubd84\ud68d\uc740 10% \uc774\ud558\ub85c \uc720\uc9c0\ub429\ub2c8\ub2e4. \uc774 \ubc00\ub3c4\uc758 \uac15\ucca0 \ubd84\ub9d0\uc740 \ub3d9\uc77c\ud55c \uc808\uc0ad \uc870\uac74\uc5d0\uc11c \uc54c\ub8e8\ubbf8\ub284\ubcf4\ub2e4 \uc720\ub3d9\uc131\uc774 \ub6f0\uc5b4\ub098\ubbc0\ub85c, \uae30\ubcf8\uc801\uc778 \ub9ac\ucf54\ud130 \uc2dc\uc2a4\ud15c\uc744 \uac16\ucd98 \uae30\uacc4\uc5d0\uc11c\ub3c4 4340 \uce35\uc774 \uade0\uc77c\ud558\uac8c \ub3c4\ud3ec\ub429\ub2c8\ub2e4. \uc774\ub294 316L\uc5d0\uc11c \ub2e8\uacc4\uc801\uc73c\ub85c \uc5c5\uadf8\ub808\uc774\ub4dc\ud558\ub294 \uc791\uc5c5\uc7a5\uc5d0\uc11c 4340\uc774 \u201c\ucc98\ub9ac\ud558\uae30 \uae4c\ub2e4\ub85c\uc6b4\u201d \uccab \ubc88\uc9f8 \uc18c\uc7ac\ub85c \ub110\ub9ac \uc120\ud0dd\ub418\ub294 \uc774\uc720 \uc911 \ud558\ub098\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>DED \ubc0f \ub808\uc774\uc800 \ud074\ub798\ub529\uc6a9 \uac15\uc885<\/strong> \uc911\ub825\uc2dd \ubc0f \uc6b4\ubc18\uac00\uc2a4\uc2dd \ubd84\ub9d0 \uacf5\uae09\uae30\ub97c \ud1b5\ud574 \uc548\uc815\uc801\uc73c\ub85c \uacf5\uae09\ub418\ub294 45-106 \ub610\ub294 53-150 \ub9c8\uc774\ud06c\ub860\uc758 \uad75\uc740 \uc785\uc790 \ud06c\uae30\ub97c \uc0ac\uc6a9\ud558\uc2ed\uc2dc\uc624. \uc9c0\ud5a5\uc131 \uc5d0\ub108\uc9c0 \uc99d\ucc29 \uacf5\uc815\uc5d0\uc11c 4340\uc758 \uacbd\ud654\uc131\uc740 \ubcf4\uc218 \uc791\uc5c5\uc5d0 \ud070 \uc7a5\uc810\uc774 \ub429\ub2c8\ub2e4. \ud328\uc2a4 \uac04 \uc628\ub3c4\ub97c \uc801\uc808\ud788 \uad00\ub9ac\ud55c\ub2e4\uba74, \ub300\ubd80\ubd84\uc758 \ud615\uc0c1\uc5d0\uc11c \uc608\uc5f4 \uade0\uc5f4 \uc5c6\uc774 \ud074\ub798\ub529 \uce35\uc774 \uc77c\uad00\ub418\uac8c \uacbd\ud654\ub429\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\ubc14\uc778\ub354 \uc81c\ud305 \ubc0f MIM<\/strong> \uac00\uc7a5 \ubbf8\uc138\ud55c \uc785\uc790\ub97c \uc0ac\uc6a9\ud569\ub2c8\ub2e4. \ubc14\uc778\ub354 \uc81c\ud305 \uacf5\ubc95\uc740 15~45 \ub9c8\uc774\ud06c\ub860 \ud06c\uae30\uc758 \ubd84\ub9d0\uc744 \uc0ac\uc6a9\ud558\uc5ec 97~99% \ubc00\ub3c4\ub85c \uc18c\uacb0\ud55c \ub4a4, \ud6c4\uc18d HIP \uacf5\uc815\uc744 \ud1b5\ud574 \uc794\uc5ec \uacf5\uadf9\uc744 \uba54\uc6b0\ub294 \ubc18\uba74, MIM \uacf5\ubc95\uc740 38 \ub9c8\uc774\ud06c\ub860 \ubbf8\ub9cc\uc758 \ubd84\ub9d0\uc744 \uc0ac\uc6a9\ud558\uc5ec \ucd1d\uae30 \ubd80\ud488\uc774\ub098 \uc804\ub3d9 \uacf5\uad6c \ubd80\ud488\uacfc \uac19\uc740 \ub300\ub7c9 \uc0dd\uc0b0\uc6a9 \uc18c\ud615 \ubd80\ud488\uc744 \uc81c\uc870\ud569\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uc18c\uacb0 \uacf5\uc815\uc5d0\uc11c\ub294 \uc18c\uacb0 \uacfc\uc815\ub9cc\uc73c\ub85c\ub294 \ubd84\ub9d0 \uc790\uccb4\uc5d0 \uc6a9\ud574\ub41c \uc0b0\uc18c\ub97c \uc81c\uac70\ud560 \uc218 \uc5c6\uae30 \ub54c\ubb38\uc5d0, \uc0b0\uc18c \uaddc\uaca9\uc774 \ud488\uc9c8\uc744 \uc88c\uc6b0\ud558\ub294 \ud575\uc2ec \ubcc0\uc218\uac00 \ub429\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\uc778\uc99d \ubc0f \ucd94\uc801\uc131<\/strong> \uae30\ub300 \uae30\uc900\uc740 \ud56d\uacf5\uc6b0\uc8fc \uc5c5\uacc4\uc758 \uad00\ud589\uc744 \ubc18\uc601\ud569\ub2c8\ub2e4: ISO 13320\uc5d0 \ub530\ub978 \ub808\uc774\uc800 \ud68c\uc808 PSD, OES \ub610\ub294 ICP\ub97c \ud1b5\ud55c \uc804\uccb4 \ud654\ud559 \uc131\ubd84 \ubd84\uc11d, \ubd88\ud65c\uc131 \uac00\uc2a4 \uc6a9\uc735\ubc95\uc744 \ud1b5\ud55c \uc0b0\uc18c-\uc9c8\uc18c \ubd84\uc11d, ASTM B213\uc5d0 \ub530\ub978 \ud640 \uc720\ub7c9 \uce21\uc815, \uadf8\ub9ac\uace0 \ubc30\uce58\ubcc4 SEM \ud615\ud0dc\ud559\uc801 \uac80\uc99d \ub4f1\uc774 \ud3ec\ud568\ub429\ub2c8\ub2e4. 4340\uc758 \uae30\uacc4\uc801 \ud2b9\uc131\uc740 \ubd80\ud488 \uc81c\uc870\uc5c5\uccb4\uac00 \uc218\ud589\ud558\ub294 \uc5f4\ucc98\ub9ac\uc5d0 \ub530\ub77c \ub2ec\ub77c\uc9c0\uae30 \ub54c\ubb38\uc5d0, \ubd84\ub9d0 \uc778\uc99d\uc11c\ub294 \ud22c\uc785 \uc6d0\ub8cc\uc758 \ud488\uc9c8\uc744 \uc785\uc99d\ud558\ub294 \ubc18\uba74, \uace0\uac1d\uc0ac\uc758 \uc790\uccb4 Q&amp;T(\ud488\uc9c8 \ubc0f \ucc98\ub9ac) \uc8fc\uae30\uc5d0 \ub530\ub978 \uc2dc\ud3b8 \uc2dc\ud5d8\uc744 \ud1b5\ud574 \ucd5c\uc885 \uc131\ub2a5\uc774 \uac80\uc99d\ub429\ub2c8\ub2e4. \uc2e0\ub8b0\ud560 \uc218 \uc788\ub294 \uacf5\uae09\uc5c5\uccb4\ub294 \uc6a9\uc735 \ub2e8\uacc4\ubd80\ud130 \ub4dc\ub7fc\uc5d0 \ub2f4\uae30\ub294 \ub2e8\uacc4\uae4c\uc9c0\uc758 \ubd84\ubb34 \uacf5\uc815 \uc5f4 \ucd94\uc801\uc131\uc744 \ud1b5\ud574 \uc774\ub97c \ub4b7\ubc1b\uce68\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\uc6a9\uc735\ubd80\ud130 \ucd5c\uc885 \ubd84\ub9d0 \uc81c\ud488 \ud615\ud0dc\uc5d0 \uc774\ub974\uae30\uae4c\uc9c0\uc758 \uc81c\uc870 \uacf5\uc815<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">4340 \ubd84\ub9d0\uc740 \uc0b0\uc5c5 \ud45c\uc900\uc5d0 \ub530\ub77c \ubd88\ud65c\uc131 \uac00\uc2a4 \ubd84\ubb34 \ubc29\uc2dd\uc73c\ub85c \uc0dd\uc0b0\ub418\uba70, \uacf5\uc815 \ud750\ub984\uc740 \ud0c4\uc18c \ud568\ub7c9\uc744 0.38~0.43%\uc758 \uc881\uc740 \ubc94\uc704 \ub0b4\uc5d0 \uc720\uc9c0\ud558\uace0 \uc0b0\uc18c\uac00 \uc720\uc785\ub418\uc9c0 \uc54a\ub3c4\ub85d \uc124\uacc4\ub418\uc5c8\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\ub179\ub294<\/strong> \uc774 \uacf5\uc815\uc740 \uc794\ub958\ubb3c\uc774 \uc801\uc740 \uc2a4\ud06c\ub7a9, \ucca0, \ubc0f \ud398\ub85c\ud569\uae08(FeNi, FeCr, FeMo, FeMn)\uc744 \uc9c4\uacf5 \ub610\ub294 \ubd88\ud65c\uc131 \ubd84\uc704\uae30 \uc720\ub3c4 \uc6a9\ud574\ub85c\uc5d0 \ud22c\uc785\ud558\ub294 \uac83\uc73c\ub85c \uc2dc\uc791\ub429\ub2c8\ub2e4. \ud0c4\uc18c \uad00\ub9ac\uac00 \uc6a9\ud574 \uacf5\uc815\uc758 \ud575\uc2ec\uc785\ub2c8\ub2e4. \uc54c\uce7c\ub9ac\uc131 \ub0b4\ud654\ubb3c \ub77c\uc774\ub2dd\uc5d0\uc11c \uc720\ub3c4 \uc6a9\ud574\ub97c \uc9c4\ud589\ud560 \uacbd\uc6b0 \uc0b0\ud654\ub85c \uc778\ud574 \ud0c4\uc18c\uac00 \uc190\uc2e4\ub418\uac70\ub098 \ub0b4\ud654\ubb3c\ub85c\ubd80\ud130 \uc608\uce21\ud560 \uc218 \uc5c6\uc774 \ud0c4\uc18c\uac00 \ud761\uc218\ub418\ub294 \uacbd\ud5a5\uc774 \uc788\uc73c\ubbc0\ub85c, \uc219\ub828\ub41c \uc0dd\uc0b0\uc790\ub4e4\uc740 \ub36e\uac1c \uc6a9\ud574, \ud6c4\uae30 \ud0c4\uc18c \ucca8\uac00, \uc8fc\uc870 \uc804 \ubd84\uc11d \ubc0f \ubcf4\uc815\uc6a9 \ud2b8\ub9ac\ubc0d \ucca8\uac00\ub97c \ud1b5\ud574 \uc5c4\uaca9\ud55c \uc0ac\uc591 \ubc94\uc704\ub97c \ucda9\uc871\uc2dc\ud0b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong><a target=\"_blank\" href=\"https:\/\/am-material.com\/ko\/gas-atomization-powders-process\/\" rel=\"noreferrer noopener\">\uac00\uc2a4 \ubd84\ubb34\ubc95 (GA)<\/a><\/strong> \uc6a9\uc735\ubb3c\uc744 \ubd84\ub9d0\ub85c \ubcc0\ud658\ud569\ub2c8\ub2e4. \uc57d 1600~1650\u00b0C\ub85c \uacfc\uc5f4\ub41c 4340 \uc6a9\uc735\ubb3c\uc740 \ub0b4\ud654 \ub178\uc990\uc744 \ud1b5\ud574 \uc218\ub834\ud558\ub294 \uace0\uc555 \uc544\ub974\uace4 \ub610\ub294 \uc9c8\uc18c \ubd84\uc0ac\ub958\ub85c \uc8fc\uc785\ub418\uba70, \uc774 \ubd84\uc0ac\ub958\uc5d0 \uc758\ud574 \uc6a9\uc735\ubb3c \ud750\ub984\uc774 \ubbf8\uc138 \ubc29\uc6b8\ub85c \ubd84\ud574\ub429\ub2c8\ub2e4. \uc774 \uc561\uc801\ub4e4\uc740 \ud0c0\uc6cc \ub0b4\uc5d0\uc11c \uc790\uc720 \ub099\ud558\ud558\ub294 \ub3d9\uc548 \uad6c\ud615\ud654\ub418\uc5b4 \uc751\uace0\ub429\ub2c8\ub2e4. \uc9c8\uc18c \ubd84\ubb34\ubc95\uc740 \uac15\ucca0 \uc81c\uc870\uc5d0 \ub110\ub9ac \uc0ac\uc6a9\ub418\uba70 \uacbd\uc81c\uc801\uc778 \ubc29\ubc95\uc785\ub2c8\ub2e4. \ubc18\uba74, \uc9c8\uc18c \ud761\ucc29\uc744 \ucd5c\uc18c\ud654\ud558\uace0 \uc704\uc131 \uc785\uc790 \ud568\ub7c9\uc744 \ucd5c\uc800 \uc218\uc900\uc73c\ub85c \uc720\uc9c0\ud574\uc57c \ud558\ub294 \ud504\ub9ac\ubbf8\uc5c4 LPBF \ub4f1\uae09\uc758 \uacbd\uc6b0 \uc544\ub974\uace4\uc774 \uc9c0\uc815\ub429\ub2c8\ub2e4. \uc801\uc808\ud558\uac8c \uc6b4\uc601\ub41c \uacf5\uc815\uc5d0\uc11c\ub294 93% \uc774\uc0c1\uc758 \uad6c\ud615\ub3c4\uc640 0.02~0.04 wt%\uc758 \uc0b0\uc18c \ub18d\ub3c4\ub97c \ub2ec\uc131\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\ubd84\ub958<\/strong> \ub2e4\uc74c\uacfc \uac19\uc774, \ub2e4\uce35 \uccb4 \ubd84\ub9ac \ubc0f \uacf5\uae30 \ubd84\uae09 \uacf5\uc815\uc744 \ud1b5\ud574 \ubd84\ubb34 \uc9c1\ud6c4\uc758 \uc785\ub3c4 \ubd84\ud3ec\ub97c \uc704\uc5d0 \ub098\uc5f4\ub41c \uc0c1\uc5c5\uc6a9 \ubc94\uc704\ub85c \uc870\uc815\ud569\ub2c8\ub2e4. \uac15\ucca0 \ubd84\ub9d0\uc758 \ubd84\uae09\uc740 \uc54c\ub8e8\ubbf8\ub284\ubcf4\ub2e4 \uc704\ud5d8\uc131\uc774 \ub0ae\uc73c\uba70(\uac15\ucca0\uc758 \uc810\ud654 \uc5d0\ub108\uc9c0 \uc218\uc900\uc5d0\uc11c\ub294 \uac00\uc5f0\uc131 \ubd84\uc9c4 \ubb38\uc81c\uac00 \uc5c6\uc74c), \ub530\ub77c\uc11c \ucc98\ub9ac\ub7c9\uc774 \ub354 \ub192\uc740 \uae30\uc874 \uc7a5\ube44\ub97c \uc0ac\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\ud488\uc9c8 \uad00\ub9ac \ubc0f \ud3ec\uc7a5<\/strong> \uc5f0\uc1c4\ub97c \uc644\uc131\ud558\uc138\uc694:<\/p>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li>\ud654\ud559 \uc131\ubd84, \uc0b0\uc18c-\uc9c8\uc18c, \uc785\ub3c4 \ubd84\ud3ec(PSD), \uc720\ub7c9, \uac89\ubc00\ub3c4 \ubc0f \ud0c0\ud504 \ubc00\ub3c4\uc5d0 \ub300\ud55c \ub85c\ud2b8\ubcc4 \uc2dc\ub8cc \ucc44\ucde8.<\/li>\n\n\n\n<li>\uad6c\ud615\ub3c4, \uc704\uc131 \uc785\uc790 \ubc0f \uc911\uacf5 \uc785\uc790\uc5d0 \ub300\ud55c SEM \ud615\ud0dc\ud559\uc801 \uac80\uc0ac.<\/li>\n\n\n\n<li>\ucea0\ud398\uc778 \uc804\ubc18\uc5d0 \uac78\uccd0 \ud654\ud559\uc801 \uad6c\uc131\uacfc \uc785\ub3c4 \ubd84\ud3ec(PSD)\ub97c \uade0\uc77c\ud558\uac8c \uc870\uc815\ud558\uae30 \uc704\ud55c \ud63c\ud569 \uacfc\uc815.<\/li>\n\n\n\n<li>\ubc00\ubd09\ub41c \uc6a9\uae30, \uac74\uc870\uc81c \ucc98\ub9ac\ub41c \uc6a9\uae30, \uc544\ub974\uace4 \uac00\uc2a4\uac00 \uc8fc\uc785\ub41c \uc6a9\uae30 \ub610\ub294 \uc9c4\uacf5 \uc6a9\uae30\uc5d0 \ud3ec\uc7a5\ud574\uc57c \ud569\ub2c8\ub2e4. \uc2b5\ud55c \ud658\uacbd\uc5d0\uc11c \ubcf4\uad00\ud560 \uacbd\uc6b0 \uac15\ucca0 \ubd84\ub9d0\ub3c4 \ud45c\uba74 \uc0b0\ud654\uac00 \uc77c\uc5b4\ub098\uace0 \uc218\ubd84\uc744 \ud761\uc218\ud558\uc5ec \uc720\ub3d9\uc131\uacfc \uc778\uc1c4\uc131\uc774 \uc800\ud558\ub418\uae30 \ub54c\ubb38\uc785\ub2c8\ub2e4.<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">\ud504\ub9ac\ubbf8\uc5c4 \ub4f1\uae09\uc744 \uc774\uc6a9\ud558\uc2dc\ub294 \ubd84\ub4e4\uaed8, <strong>2\ucc28 \uac00\uacf5<\/strong> \uc635\uc158\uc73c\ub85c\ub294 \ubd88\uaddc\uce59\ud55c \uc785\uc790\ub97c \ub465\uae00\uac8c \ub9cc\ub4dc\ub294 \ud50c\ub77c\uc988\ub9c8 \uad6c\ud615\ud654 \uacf5\uc815\uacfc, \ud2b9\uc815 \uae30\uacc4 \ud50c\ub7ab\ud3fc\uc5d0 \ub9de\ucdb0 \uc881\uc740 \ubd84\ud3ec \ubc94\uc704\ub85c \ubd84\ub958\ud558\ub294 \uacf5\uc815\uc774 \ud3ec\ud568\ub429\ub2c8\ub2e4. \uc6a9\uc735-\ubd84\ubb34-\ubd84\ub958 \uacf5\uc815\uc744 \ud1b5\ud569\ud558\uace0, \uc0ac\ub0b4\uc5d0 \ub2e4\uc591\ud55c \uc7a5\ube44\ub97c \uac16\ucd98 \uacf5\uae09\uc5c5\uccb4\ub294 <a target=\"_blank\" href=\"https:\/\/am-material.com\/ko\/what-is-plasma-rotating-electrode-process-prep\/\" rel=\"noreferrer noopener\">PREP \ubd84\ub9d0 \uc81c\uc870 \uae30\uc220<\/a> \uac70\uce5c \uc785\uc790\uc758 \ud2b9\uc218 \ubd84\ud68d\ubb3c\uc758 \uacbd\uc6b0, \ub2e8\uc21c\ud788 \uce74\ud0c8\ub85c\uadf8\uc5d0 \uae30\uc7ac\ub41c \uaddc\uaca9\ub9cc \uc81c\uacf5\ud558\ub294 \uac83\uc774 \uc544\ub2c8\ub77c \uace0\uac1d\uc758 \uacf5\uc815 \uc870\uac74\uc5d0 \ub9de\ucdb0 \uc774\ub7ec\ud55c \uacf5\uc815\uc744 \uc870\uc815\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\uc0b0\uc5c5\ubcc4 \uc801\uc6a9 \ubd84\uc57c: \uad6c\uc870\uc6a9, \uc5f4 \uad00\ub828 \ubc0f \ub9c8\ubaa8 \ubd80\ud488<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">4340 \ubd84\ub9d0\uc740 \ub192\uc740 \uc815\uc801 \uac15\ub3c4, \ub0b4\ud53c\ub85c\uc131 \ubc0f \ub0b4\ub9c8\ubaa8\uc131\uc774 \ubaa8\ub450 \uac16\ucdb0\uc9c4 \ubd84\uc57c\uc5d0 \uc8fc\ub85c \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \ub300\ud45c\uc801\uc778 \uc6a9\ub3c4\ub294 \uc544\ub798\uc640 \uacf5\uae09\uc5c5\uccb4\uc758 <a target=\"_blank\" href=\"https:\/\/am-material.com\/ko\/applications\/\" rel=\"noreferrer noopener\">\uc560\ud50c\ub9ac\ucf00\uc774\uc158<\/a> \ud398\uc774\uc9c0\ub85c \uc774\ub3d9\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\uc0b0\uc5c5\ubcc4 \uc8fc\uc694 \uc801\uc6a9 \ubd84\uc57c<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th class=\"has-text-align-left\" data-align=\"left\">\uc0b0\uc5c5<\/th><th class=\"has-text-align-left\" data-align=\"left\">\ub300\ud45c\uc801\uc778 \ubd80\ud488<\/th><th class=\"has-text-align-left\" data-align=\"left\">\uc65c 4340 \ubd84\ub9d0\uc778\uac00<\/th><\/tr><\/thead><tbody><tr><td class=\"has-text-align-left\" data-align=\"left\">\ud56d\uacf5\uc6b0\uc8fc<\/td><td class=\"has-text-align-left\" data-align=\"left\">\ub79c\ub529 \uae30\uc5b4 \ubd80\uc18d\ud488, \uc561\ucd94\uc5d0\uc774\ud130 \ub7ec\uadf8, \uad6c\uc870\uc6a9 \ud540<\/td><td class=\"has-text-align-left\" data-align=\"left\">\ucd08\uace0\uac15\ub3c4, \uae4a\uc740 \uacbd\ud654\uc131<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">\uc790\ub3d9\ucc28 \ubc0f \ubaa8\ud130\uc2a4\ud3ec\uce20<\/td><td class=\"has-text-align-left\" data-align=\"left\">\uae30\uc5b4, \ucd95, \uad6c\ub3d9\uacc4 \ubd80\ud488, \uc11c\uc2a4\ud39c\uc158 \uc5f0\uacb0\ubd80<\/td><td class=\"has-text-align-left\" data-align=\"left\">\ud53c\ub85c \uac15\ub3c4, \ub0b4\ub9c8\ubaa8\uc131<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">\uc11d\uc720 \ubc0f \uac00\uc2a4<\/td><td class=\"has-text-align-left\" data-align=\"left\">\uc2dc\ucd94\uacf5\uc6a9 \uacf5\uad6c \ubcf8\uccb4, \ubc38\ube0c \ubd80\ud488, \ucee4\ub125\ud130<\/td><td class=\"has-text-align-left\" data-align=\"left\">\ub450\uaebc\uc6b4 \ub2e8\uba74\uc758 \uac15\ub3c4, \uc778\uc131<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">\uacf5\uad6c \ubc0f \uae08\ud615<\/td><td class=\"has-text-align-left\" data-align=\"left\">\ub2e4\uc774 \uc778\uc11c\ud2b8, \ud380\uce58, \ub9c8\ubaa8 \ubc29\uc9c0 \ud50c\ub808\uc774\ud2b8, \ucee8\ud3ec\uba40 \ub0c9\uac01 \uae08\ud615<\/td><td class=\"has-text-align-left\" data-align=\"left\">\uace0\uc628 \uacbd\ub3c4 45~50 HRC<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">\uad6d\ubc29 \ubc0f \ucd1d\uae30<\/td><td class=\"has-text-align-left\" data-align=\"left\">MIM \uacf5\uc815\uc744 \ud1b5\ud55c \ube0c\ub9ac\uce58 \ubd80\ud488 \ubc0f \uc18c\ud615 \ubb34\uae30 \ubd80\ud488<\/td><td class=\"has-text-align-left\" data-align=\"left\">\uac80\uc99d\ub41c \uad70\uc218\ud488 \uae30\uc220\ub825, MIM \uacf5\uc815\uc758 \uacbd\uc81c\uc131<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">\uc0b0\uc5c5 \uae30\uacc4<\/td><td class=\"has-text-align-left\" data-align=\"left\">\uc720\uc555 \ubd80\ud488, \ucee4\ud50c\ub9c1 \ubd80\ud488, \uc218\ub9ac\uc6a9 \ud074\ub798\ub529<\/td><td class=\"has-text-align-left\" data-align=\"left\">\ub9c8\ubaa8\ub41c \ucd95 \ubc0f \ud45c\uba74\uc758 DED \uc218\ub9ac<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\ud56d\uacf5\uc6b0\uc8fc<\/strong> \uc5ec\uc804\ud788 \uc790\uaca9 \uae30\uc900\uc758 \ucc99\ub3c4\ub85c \ub0a8\uc544 \uc788\uc2b5\ub2c8\ub2e4. \uc778\uc1c4 \ubc0f DED(\uc9c1\uc811 \uc801\uce35 \uc81c\uc870) \ubc29\uc2dd\uc73c\ub85c \uc218\ub9ac\ub41c 4340 \ud53c\ud305, \ub7ec\uadf8 \ubc0f \ud540\uc740 1,500 MPa \uc774\uc0c1\uc758 \uac15\ub3c4\uc640 \uc2e4\uc6a9\uc801\uc778 \uc778\uc131\uc744 \ub3d9\uc2dc\uc5d0 \uc720\uc9c0\ud558\ub294 \uc774 \ud569\uae08\uc758 \ud2b9\uc131\uc744 \ud65c\uc6a9\ud558\uba70, \uc774 \ub2e8\uc870 \uc18c\uc7ac\uc5d0 \ub300\ud55c 100\ub144\uc5d0 \uac78\uce5c \uc0ac\uc6a9 \uc2e4\uc801 \ub370\uc774\ud130\ub294 \uc778\uc99d \uad00\ub828 \ub17c\uc7c1\uc744 \ub2e8\ucd95\uc2dc\ucf1c \uc90d\ub2c8\ub2e4. \ub79c\ub529 \uae30\uc5b4 \ubc0f \uc561\ucd94\uc5d0\uc774\ud130 \ubd80\ud488\uc5d0 \ub300\ud55c DED \uc218\ub9ac\ub294 \uc774\ubbf8 \ud655\ub9bd\ub41c \uc815\ube44 \uc751\uc6a9 \ubd84\uc57c\ub85c, 4340 \ud074\ub798\ub529 \uce35\uc744 \ud1b5\ud574 \ub9c8\ubaa8\ub41c \ubcf4\uc5b4\uc640 \uc800\ub110\uc744 \ubcf5\uc6d0\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\uc790\ub3d9\ucc28 \ubc0f \ubaa8\ud130\uc2a4\ud3ec\uce20<\/strong> \uae30\uc5b4, \uc0e4\ud504\ud2b8 \ubc0f \uad6c\ub3d9\uacc4 \ubd80\ud488\uc758 \uacbd\uc6b0, \ud504\ub9b0\ud305\ub41c \uadfc\uc811 \ud615\uc0c1(near-net shape)\uc744 \ud1b5\ud574 \uace0\uacbd\ub3c4 \uc18c\uc7ac\uc758 \uac00\uacf5 \uacf5\uc815\uc744 \uc0dd\ub7b5\ud560 \uc218 \uc788\uace0, \uc18c\uacb0 \uc870\ub9bd\uccb4\ub97c \ud1b5\ud574 \uc655\ubcf5 \uc6b4\ub3d9 \uc2dc\uc2a4\ud15c\uc758 \uc9c8\ub7c9\uc744 \uc904\uc77c \uc218 \uc788\ub294 \uacbd\uc6b0\uc5d0\ub294 \ubd84\ub9d0 \uc131\ud615 \uacf5\uc815\uc744 \ud65c\uc6a9\ud569\ub2c8\ub2e4. MIM \uacf5\ubc95\uc73c\ub85c \uc0dd\uc0b0\ub41c 4340 \ubd80\ud488\uc740 \uc804\ub3d9 \uacf5\uad6c\ubd80\ud130 \ubcc0\uc18d\uae30 \ubd80\ud488\uc5d0 \uc774\ub974\uae30\uae4c\uc9c0 \ub300\ub7c9 \uc0dd\uc0b0 \ubd84\uc57c\uc5d0 \ub110\ub9ac \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\uc11d\uc720 \ubc0f \uac00\uc2a4<\/strong> \ub2e8\uba74 \uc804\uccb4\uc5d0 \uac78\uce5c \uac15\ub3c4: \uc2dc\ucd94\uacf5 \ub0b4 \uacf5\uad6c \ubcf8\uccb4\uc640 \uace0\uc555 \ubc38\ube0c \ubd80\ud488\uc740 \uc555\ub825, \ube44\ud2c0\ub9bc, \ucda9\uaca9 \ud558\uc911\uc774 \ubcf5\ud569\uc801\uc73c\ub85c \uc791\uc6a9\ud558\ub294 \ub450\uaebc\uc6b4 \ub2e8\uba74\uc5d0\uc11c \uc0ac\uc6a9\ub418\ubbc0\ub85c, \ud45c\uba74 \uacbd\ud654\uc6a9 \uac15\uc885\uc73c\ub85c\ub294 \ub300\uc751\ud558\uae30 \uc5b4\ub835\uc2b5\ub2c8\ub2e4. HIP \ubc0f Q&amp;T \ucc98\ub9ac\ub97c \uac70\uce5c 4340 \uac15\uc7ac\ub294 \ubcbd \ub450\uaed8 \uc804\ubc18\uc5d0 \uac78\uccd0 \uade0\uc77c\ud55c \ubb3c\uc131\uc744 \uc81c\uacf5\ud558\uc5ec, \uce68\ud0c4\uac15\uc744 \ub2a5\uac00\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\uacf5\uad6c \ubc0f \ub9c8\ubaa8 \ubd80\ud488<\/strong> \uace0\uc628 \uc870\uac74\uc744 \ud65c\uc6a9\ud569\ub2c8\ub2e4. \ucee8\ud3ec\uba40 \ub0c9\uac01 \ucc44\ub110\uc774 \ud615\uc131\ub41c \ub2e4\uc774 \uc778\uc11c\ud2b8, \ud380\uce58 \ubc0f \ub9c8\ubaa8 \ubc29\uc9c0 \ud50c\ub808\uc774\ud2b8\ub97c 45~50 HRC\ub85c \uc5f4\ucc98\ub9ac\ud558\uba74, 4340 \uac15\uc885\uc758 \ub0b4\ub9c8\ubaa8\uc131\uacfc \ucc9c\uacf5 \uacf5\uad6c\uc5d0\uc11c\ub294 \uad6c\ud604\ud560 \uc218 \uc5c6\ub294 \uc5f4 \uad00\ub9ac \uae30\ub2a5\uc744 \ub3d9\uc2dc\uc5d0 \ud655\ubcf4\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub294 \ud574\ub2f9 \uac15\uc885\uc5d0\uc11c \uac00\uc7a5 \ube60\ub974\uac8c \uc131\uc7a5\ud558\ub294 \ubd84\uc57c \uc911 \ud558\ub098\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\uad6d\ubc29 \ubc0f \ucd1d\uae30<\/strong> MIM \uacf5\ubc95\uc774 \ub110\ub9ac \ud65c\uc6a9\ub418\ub294 \ubd84\uc57c\ub85c\ub294 \uc18c\ud615 \ud654\uae30 \ubd80\ud488, \uc870\uc900\uae30, \uc791\ub3d9 \uae30\uad6c \ubd80\ud488 \ub4f1\uc774 \uc788\uc73c\uba70, \uc774 \ud569\uae08\uc774 \uc624\ub7ab\ub3d9\uc548 \uad70\uc218 \ubd84\uc57c\uc5d0\uc11c \uc313\uc544\uc628 \uc804\ud1b5\uc744 \ubc14\ud0d5\uc73c\ub85c \uc815\ubc00 \uac00\uacf5\ub41c 4340 \uac15\uc7ac\uc5d0\uc11c \ub300\ub7c9\uc73c\ub85c \uc0dd\uc0b0\ub429\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\ub7ec\ud55c \ubaa8\ub4e0 \ubd84\uc57c\uc5d0\uc11c \uc18c\uc7ac \uc120\uc815 \uae30\uc900\uc740 \uc77c\uad00\ub429\ub2c8\ub2e4. \uc989, \uc124\uacc4\uc0c1 \uc9c4\uc815\ud55c \ucd08\uace0\uac15\ub3c4\uc640 \uc778\uc131\uc744 \ubaa8\ub450 \ud544\uc694\ub85c \ud558\uba70, \ubc14(bar) \uc7ac\ub8cc\ub97c \uac00\uacf5\ud558\uac70\ub098 \ub2e8\uc870\ud558\ub294 \uac83\ubcf4\ub2e4 3D \ud504\ub9b0\ud305\uc774\ub098 MIM \uacf5\uc815\uc744 \ud1b5\ud574 \ub354 \uacbd\uc81c\uc801\uc73c\ub85c \uc81c\uc791\ud560 \uc218 \uc788\ub294 \ud615\uc0c1\uc758 \uacbd\uc6b0, \uc5d4\uc9c0\ub2c8\uc5b4\ub4e4\uc740 4340 \ubd84\ub9d0\uc744 \uc120\ud0dd\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\ub2e4\ub978 \uc7ac\uc9c8 \ub4f1\uae09 \uc635\uc158\uacfc\uc758 \uc131\ub2a5 \ube44\uad50<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\uace0\uac15\ub3c4 \uac15\ucca0 \ubd84\ub9d0\uc744 \uc120\ud0dd\ud55c\ub2e4\ub294 \uac83\uc740 4340 \uac15\uc885\uacfc \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15, \uacf5\uad6c\uac15, \ub9c8\ub77c\uc9d5\uac15 \ub4f1 \uac01\uae30 \ub2e4\ub978 \uac15\ub3c4, \uc778\uc131, \ub0b4\uc2dd\uc131, \uac00\uacf5 \uc6a9\uc774\uc131\uc758 \uade0\ud615\uc744 \ucd5c\uc801\ud654\ud55c \ub300\uc548\ub4e4\uc744 \ube44\uad50 \uac80\ud1a0\ud558\ub294 \uac83\uc744 \uc758\ubbf8\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">4340 \ub300 \ub300\uccb4 \uac15\uc885 AM \ub4f1\uae09<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th class=\"has-text-align-left\" data-align=\"left\">\uc18d\uc131<\/th><th class=\"has-text-align-left\" data-align=\"left\">4340<\/th><th class=\"has-text-align-left\" data-align=\"left\">17-4PH \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15<\/th><th class=\"has-text-align-left\" data-align=\"left\">H13 \uacf5\uad6c\uac15<\/th><th class=\"has-text-align-left\" data-align=\"left\">18Ni \ub9c8\ub808\uc774\uc9d5 300<\/th><\/tr><\/thead><tbody><tr><td class=\"has-text-align-left\" data-align=\"left\">\ud569\uae08 \uacc4\uc5f4<\/td><td class=\"has-text-align-left\" data-align=\"left\">Ni-Cr-Mo \uc800\ud569\uae08<\/td><td class=\"has-text-align-left\" data-align=\"left\">\uac15\uc6b0 \uacbd\ud654\ud615 \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15<\/td><td class=\"has-text-align-left\" data-align=\"left\">Cr-Mo-V \uc5f4\uac04 \uac00\uacf5 \uacf5\uad6c\uac15<\/td><td class=\"has-text-align-left\" data-align=\"left\">Ni-Co-Mo \ub9c8\ub77c\uc9d5<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">\uc778\uc7a5 \uac15\ub3c4 (\ucd5c\ub300\uac12, MPa)<\/td><td class=\"has-text-align-left\" data-align=\"left\">1860-1930<\/td><td class=\"has-text-align-left\" data-align=\"left\">1170-1310<\/td><td class=\"has-text-align-left\" data-align=\"left\">1600-1800<\/td><td class=\"has-text-align-left\" data-align=\"left\">1930-2050<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">\uace0\uac15\ub3c4\uc5d0\uc11c\uc758 \ub0b4\uad6c\uc131<\/td><td class=\"has-text-align-left\" data-align=\"left\">Good<\/td><td class=\"has-text-align-left\" data-align=\"left\">\ubcf4\ud1b5<\/td><td class=\"has-text-align-left\" data-align=\"left\">\ubcf4\ud1b5<\/td><td class=\"has-text-align-left\" data-align=\"left\">\uc6b0\uc218<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">\ub0b4\uc2dd\uc131<\/td><td class=\"has-text-align-left\" data-align=\"left\">\ubd88\ub7c9 (\ucf54\ud305 \ud544\uc694)<\/td><td class=\"has-text-align-left\" data-align=\"left\">Good<\/td><td class=\"has-text-align-left\" data-align=\"left\">Poor<\/td><td class=\"has-text-align-left\" data-align=\"left\">Poor<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">LPBF \uacf5\uc815\uc758 \ub09c\uc774\ub3c4<\/td><td class=\"has-text-align-left\" data-align=\"left\">\uc911\uac15\ud654 (\uc608\uc5f4 \ud544\uc694)<\/td><td class=\"has-text-align-left\" data-align=\"left\">\uc26c\uc6b4<\/td><td class=\"has-text-align-left\" data-align=\"left\">\ubcf4\ud1b5<\/td><td class=\"has-text-align-left\" data-align=\"left\">\uc26c\uc6c0~\uc911\uac04<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">\ucd5c\ub300 \uc0ac\uc6a9 \uc628\ub3c4<\/td><td class=\"has-text-align-left\" data-align=\"left\">\uc57d 400\u2103<\/td><td class=\"has-text-align-left\" data-align=\"left\">\uc57d 300\u2103<\/td><td class=\"has-text-align-left\" data-align=\"left\">~550\u2103<\/td><td class=\"has-text-align-left\" data-align=\"left\">\uc57d 400\u2103<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">\uc5f4\ucc98\ub9ac\uc758 \ubcf5\uc7a1\uc131<\/td><td class=\"has-text-align-left\" data-align=\"left\">\uc624\uc2a4\ud14c\ub098\uc774\ud2b8\ud654 + \uae09\ub0c9 + \ud15c\ud37c\ub9c1<\/td><td class=\"has-text-align-left\" data-align=\"left\">\ub2e8\uc77c \ub178\ud654 \ub2e8\uacc4<\/td><td class=\"has-text-align-left\" data-align=\"left\">\uc624\uc2a4\ud14c\ub098\uc774\ud2b8\ud654 + \uc774\uc911 \ud15c\ud37c\ub9c1<\/td><td class=\"has-text-align-left\" data-align=\"left\">\ub2e8\uc77c \ub178\ud654 \ub2e8\uacc4<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">\ubd84\ub9d0\uc758 \uc0c1\ub300\uc801 \uc6d0\uac00<\/td><td class=\"has-text-align-left\" data-align=\"left\">\ub0ae\uc74c<\/td><td class=\"has-text-align-left\" data-align=\"left\">Medium<\/td><td class=\"has-text-align-left\" data-align=\"left\">Medium<\/td><td class=\"has-text-align-left\" data-align=\"left\">\ub192\uc74c<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>17-4PH \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15<\/strong> \uc774 \uc18c\uc7ac\ub294 \uac04\ud3b8\ud55c \ub300\uc548\uc785\ub2c8\ub2e4. 316L\uacfc \uac70\uc758 \ube44\uc2b7\ud55c \uc218\uc900\uc73c\ub85c \uc27d\uac8c \uc801\uce35 \uac00\uacf5\ud560 \uc218 \uc788\uace0, \ub2e8 \ud55c \ub2e8\uacc4\uc758 \ub178\ud654 \ucc98\ub9ac\ub9cc \ud544\uc694\ud558\uba70, \ub0b4\uc2dd\uc131\ub3c4 \ub6f0\uc5b4\ub0a9\ub2c8\ub2e4. \uadf8\ub7ec\ub098 \ucd5c\ub300 \uac15\ub3c4\uac00 \uc57d 1,300 MPa\ub85c, 4340\uc758 \ucd5c\uace0 \uac15\ub3c4\ubcf4\ub2e4 \ubb34\ub824 600 MPa\ub098 \ub0ae\uae30 \ub54c\ubb38\uc5d0, \uc801\ub2f9\ud55c \uac15\ub3c4\uc640 \ub0b4\uc2dd\uc131\ub9cc\uc73c\ub85c\ub3c4 \ucda9\ubd84\ud558\uace0 \uacf5\uc815 \ub2e8\uc21c\uc131\uc774 \uc911\uc694\ud55c \uacbd\uc6b0\uc5d0 \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>H13 \uacf5\uad6c\uac15<\/strong> \uc774 \uc81c\ud488\uc740 \uae08\ud615 \ubd84\uc57c\uc5d0\uc11c \uacbd\uc7c1\ub825\uc744 \uac16\ucd94\uace0 \uc788\uc73c\uba70, \uace0\uc628\uc5d0\uc11c \uc791\ub3d9\ud558\ub294 \uae08\ud615\uc5d0 \ub6f0\uc5b4\ub09c \uace0\uc628 \uacbd\ub3c4\uc640 \ud15c\ud37c\ub9c1 \uc800\ud56d\uc131\uc744 \uc81c\uacf5\ud558\ubbc0\ub85c, \uc54c\ub8e8\ubbf8\ub284 \ub2e4\uc774\uce90\uc2a4\ud305 \uae08\ud615 \ubc0f \uc555\ucd9c \uae08\ud615\uc5d0 \ucd5c\uc801\uc758 \uc120\ud0dd\uc785\ub2c8\ub2e4. \uc0c1\uc628\uc5d0\uc11c\uc758 \ub0b4\ub9c8\ubaa8\uc131 \ubc0f \uad6c\uc870\uc801 \uc6a9\ub3c4 \uce21\uba74\uc5d0\uc11c\ub294 4340\uc774 \ub354 \uc800\ub834\ud55c \ube44\uc6a9\uacfc \uac04\ud3b8\ud55c \uc5f4\ucc98\ub9ac \uacf5\uc815\uc73c\ub85c \ub3d9\ub4f1\ud55c \uac15\ub3c4\ub97c \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>18Ni \ub9c8\ub808\uc774\uc9d5 300<\/strong> \uc774 \uc18c\uc7ac\uc758 \uc131\ub2a5 \ud55c\uacc4\ub294 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4. 4340\uacfc \uc720\uc0ac\ud55c \ucd5c\ub300 \uac15\ub3c4\ub97c \uac00\uc9c0\uba74\uc11c\ub3c4 \uc778\uc131\uc774 \ud604\uc800\ud788 \uc6b0\uc218\ud558\uba70, \ub2f4\uae08\uc9c8 \ubcc0\ud615\uc744 \uc644\uc804\ud788 \ubc29\uc9c0\ud558\ub294 \uac04\ud3b8\ud55c \ub2e8\uc77c \ub2e8\uacc4 \ub178\ud654 \ucc98\ub9ac\uac00 \uac00\ub2a5\ud569\ub2c8\ub2e4. \ub2e8\uc810\uc740 \ube44\uc6a9\uc785\ub2c8\ub2e4. \ub9c8\ub77c\uc9d5 \ubd84\ub9d0\uc758 \uac00\uaca9\uc740 4340\uc758 \uc218 \ubc30\uc5d0 \ub2ec\ud560 \ubfd0\ub9cc \uc544\ub2c8\ub77c, \ucf54\ubc1c\ud2b8\uc640 \ub2c8\ucf08 \uacf5\uae09 \ubd88\uc548\uc815\uc131\uc774\ub77c\ub294 \ubb38\uc81c\ub3c4 \uc788\uc2b5\ub2c8\ub2e4. \ud56d\uacf5\uc6b0\uc8fc \ud504\ub85c\uadf8\ub7a8\uc5d0\uc11c\ub294 \uac00\uc7a5 \uae4c\ub2e4\ub85c\uc6b4 \ud53c\ud305 \ubd80\ud488\uc5d0 \ub300\ud574 \uc774\ub97c \uc815\ub2f9\ud654\ud558\uc9c0\ub9cc, \ube44\uc6a9\uc5d0 \ubbfc\uac10\ud55c \uad6c\uc870\uc6a9 \uc751\uc6a9 \ubd84\uc57c\uc5d0\uc11c\ub294 \uae30\ubcf8\uc801\uc73c\ub85c 4340\uc744 \uc0ac\uc6a9\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc120\ud0dd \uaddc\uce59\uc740 \ub2e4\uc74c\uacfc \uac19\uc774 \uba85\ud655\ud558\uac8c \uc815\ub9ac\ub429\ub2c8\ub2e4. \ub0b4\uc2dd\uc131\uacfc \uc911\uac04 \uac15\ub3c4\uac00 \ud544\uc694\ud55c \uacbd\uc6b0\uc5d0\ub294 17-4PH\ub97c, \uace0\uc628 \uae08\ud615\uc6a9\uc73c\ub85c\ub294 H13\uc744, \ucd5c\ub300 \uac15\ub3c4\uc5d0\uc11c \ucd5c\ub300 \uc778\uc131\uc744 \ud655\ubcf4\ud558\ub824\uba74 \ub9c8\ub77c\uc9d5\uac15\uc744, \uc124\uacc4\uc0c1 1,500~1,900 MPa\uae09 \uac15\ub3c4\uc640 \uc6b0\uc218\ud55c \uc778\uc131\uc774 \ud544\uc694\ud558\uba70 \uc7ac\ub8cc \ube44\uc6a9\uc744 \ucd5c\uc18c\ud654\ud574\uc57c \ud560 \ub54c\ub294 4340\uc744 \uc120\ud0dd\ud558\ub418, \uc774\uc5d0 \uc218\ubc18\ub418\ub294 \uc5f4\ucc98\ub9ac \uaddc\uc815\uc744 \uc900\uc218\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\uc6b0\ub9ac \ud68c\uc0ac<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><a target=\"_blank\" href=\"https:\/\/am-material.com\/ko\/about\/\" rel=\"noreferrer noopener\">\uc0c1\ud558\uc774 \ud2b8\ub8e8\uc5b4 \uae30\uc220 \uc720\ud55c\uacf5\uc0ac<\/a> \uc911\uad6d\uc5d0 \ubcf8\uc0ac\ub97c \ub454 \uc801\uce35 \uc81c\uc870 \uacf5\uae09\uc5c5\uccb4\ub85c, PREP \ubd84\ub9d0 \uc81c\uc870 \uc7a5\ube44\uc640 \uace0\ud488\uc9c8 \uad6c\ud615 \uae08\uc18d \ubd84\ub9d0\uc744 \ud1b5\ud569\ud558\uc5ec \uacf5\uae09\ud569\ub2c8\ub2e4. 2009\ub144\uc5d0 \uc124\ub9bd\ub41c \uc774 \ud68c\uc0ac\ub294 \ub2e4\uc74c \ub450 \uac00\uc9c0\ub97c \ubaa8\ub450 \uc81c\uacf5\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4. <a target=\"_blank\" href=\"https:\/\/am-material.com\/ko\/gas-atomization-powders-process\/\" rel=\"noreferrer noopener\">\uac00\uc2a4 \ubd84\ubb34\ubc95 (GA)<\/a> \ub610\ud55c \ub2c8\ucf08 \ud569\uae08, \ud2f0\ud0c0\ub284 \ud569\uae08, \uc54c\ub8e8\ubbf8\ub284 \ud569\uae08, \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15, \ucf54\ubc1c\ud2b8 \ud569\uae08, \uad6c\ub9ac \ud569\uae08, \uc800\ud569\uae08\uac15, \uace0\uc5d4\ud2b8\ub85c\ud53c \ud569\uae08 \ubc0f \ud2b9\uc218 \uc18c\uc7ac\uc5d0 \uac78\uce5c PREP \uc81c\uc870 \uc5ed\ub7c9\uc744 \ubcf4\uc720\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc800\ud569\uae08\uac15 \uc6d0\ub8cc\uc758 \uacbd\uc6b0, Truer\ub294 LPBF, DED, \ubc14\uc778\ub354 \uc81c\ud305 \ubc0f MIM\uc6a9 \uc785\uc790 \ud06c\uae30 \uc0ac\uc591\uc73c\ub85c 4340, 4140 \ubc0f \uad00\ub828 \ub4f1\uae09\uc744 \uacf5\uae09\ud558\uba70, \uc0b0\uc18c \ubc0f \uc9c8\uc18c\uc5d0 \ubbfc\uac10\ud55c \uad6c\uc870\uc6a9 \uc751\uc6a9 \ubd84\uc57c\ub97c \uc704\ud574 \uc544\ub974\uace4 \ubd84\ubb34 \ubc29\uc2dd\uc758 \ud504\ub9ac\ubbf8\uc5c4 \uc635\uc158\ub3c4 \uc81c\uacf5\ud569\ub2c8\ub2e4. \ubaa8\ub4e0 \ubc30\uce58\uc5d0\ub294 AISI \uae30\uc900\uc5d0 \ub530\ub978 \uc804\uccb4 \ud654\ud559 \uc131\ubd84, \uc0b0\uc18c \ubc0f \uc9c8\uc18c \ud568\ub7c9, \ub808\uc774\uc800 \ud68c\uc808\ubc95\uc744 \ud1b5\ud55c \uc785\ub3c4 \ubd84\ud3ec(PSD), \ud640 \uc720\ub3d9\ub3c4, \uac89\ubc00\ub3c4, \uadf8\ub9ac\uace0 \uc694\uccad \uc2dc SEM \ud615\ud0dc \ubd84\uc11d \uacb0\uacfc\ub97c \ud3ec\ud568\ud558\ub294 \ubd84\uc11d \uc99d\uba85\uc11c\uac00 \ub3d9\ubd09\ub418\uc5b4, \uc5f4\ucc98\ub9ac \uc778\uc99d \uacf5\uc815\uc5d0 \ud544\uc694\ud55c \ubc30\uce58 \uc77c\uad00\uc131\uc744 \ubcf4\uc7a5\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub610\ud55c \uc774 \ud68c\uc0ac\ub294 \ud56d\uacf5\uc6b0\uc8fc, \uc790\ub3d9\ucc28, \uc11d\uc720\u00b7\uac00\uc2a4, \uae08\ud615 \ubc0f \uc0b0\uc5c5 \ubd84\uc57c \uace0\uac1d\uc744 \ub300\uc0c1\uc73c\ub85c \ub9de\ucda4\ud615 \ud569\uae08 \uac1c\ubc1c, \uc18c\ub7c9 \uc2dc\uc81c\ud488 \uc81c\uc791 \ubc0f \uc591\uc0b0\uc744 \uc9c0\uc6d0\ud569\ub2c8\ub2e4. \uc120\ub3c4\uc801\uc778 \uc5f0\uad6c \uae30\uad00\ub4e4\uacfc \uacf5\ub3d9\uc73c\ub85c \uc6b4\uc601\ud558\ub294 \uae08\uc18d 3D \ud504\ub9b0\ud305 \uacf5\ub3d9 \ud601\uc2e0 \uc13c\ud130\ub294 4340\uacfc \uac19\uc740 \uacbd\ud654\uc131 \uac15\uc7ac\uc5d0 \ub300\ud55c \ud30c\ub77c\ubbf8\ud130 \uac1c\ubc1c \ubc0f \ud6c4\ucc98\ub9ac \uc5f4\ucc98\ub9ac \ucd5c\uc801\ud654\ub97c \ud1b5\ud574 \uace0\uac1d\uc744 \uc9c0\uc6d0\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">4340 \ud569\uae08\uac15 \ubd84\ub9d0\uc758 \uc0ac\uc591, \uc2dc\ub8cc \uc81c\uacf5 \ub610\ub294 \ub9de\ucda4\ud615 \ud654\ud559 \uc131\ubd84 \ubc94\uc704\uc5d0 \ub300\ud55c \ubb38\uc758\ub294, <a target=\"_blank\" href=\"https:\/\/am-material.com\/ko\/contact-us\/\" rel=\"noreferrer noopener\">\ud300\uc5d0 \ubb38\uc758\ud558\uae30<\/a> \ubaa9\ud45c PSD, \uc0b0\uc18c \ud55c\uacc4\uce58 \ubc0f \uc5f0\uac04 \uc608\uc0c1 \ubb3c\ub7c9\uc744 \ud568\uaed8 \uae30\uc7ac\ud574 \uc8fc\uc2ed\uc2dc\uc624.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\uc790\uc8fc \ubb3b\ub294 \uc9c8\ubb38<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Q1: 4340 \ud569\uae08\uac15 \ubd84\ub9d0\uc758 \uc77c\ubc18\uc801\uc778 \uc785\ub3c4 \ubd84\ud3ec\ub294 \uc5b4\ub5bb\uac8c \ub429\ub2c8\uae4c?<\/strong> A: LPBF \uacf5\uc815\uc758 \ud45c\uc900 \uc785\uc790 \ud06c\uae30\ub294 15~53 \ub9c8\uc774\ud06c\ub860\uc774\uba70, DED \ubc0f \ud074\ub798\ub529 \uacf5\uc815\uc758 \uacbd\uc6b0 45~106 \ub610\ub294 53~150 \ub9c8\uc774\ud06c\ub860\uc785\ub2c8\ub2e4. 0~22 \ub610\ub294 0~38 \ub9c8\uc774\ud06c\ub860\uc758 \ubbf8\uc138 \uc808\ub2e8 \uc81c\ud488\uc740 MIM \uacf5\uc815\uc5d0 \uc0ac\uc6a9\ub418\uba70, \ubc14\uc778\ub354 \uc81c\ud305\uc758 \uacbd\uc6b0 \uc77c\ubc18\uc801\uc73c\ub85c 15~45 \ub9c8\uc774\ud06c\ub860\uc774 \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Q2: 4340 \ubd84\ub9d0\uc740 SLM \ubc0f DED \uc2dc\uc2a4\ud15c \ubaa8\ub450\uc5d0\uc11c \uc0ac\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\uae4c?<\/strong> A: \ub124, \uacf5\uc815\uc5d0 \ub9de\ucdb0 PSD\ub97c \uc870\uc815\ud574\uc57c \ud569\ub2c8\ub2e4. SLM\/LPBF\uc758 \uacbd\uc6b0 15~53 \ub9c8\uc774\ud06c\ub860, DED\uc758 \uacbd\uc6b0 \ub354 \uac70\uce5c \uc785\ub3c4\uc785\ub2c8\ub2e4. \ub450 \uacf5\uc815 \ubaa8\ub450 \ud569\uae08\uc758 \uacbd\ud654\uc131\uc744 \uace0\ub824\ud574\uc57c \ud558\uba70, \ub9c8\ub974\ud150\uc0ac\uc774\ud2b8 \uade0\uc5f4\uc744 \ubc29\uc9c0\ud558\uae30 \uc704\ud574 \uc608\uc5f4\uc744 \uc2e4\uc2dc\ud558\uace0 \uc801\uce35 \uc9c1\ud6c4 \uc751\ub825 \uc644\ud654\ub97c \uc218\ud589\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Q3: 4340 \ubd84\ub9d0\uc5d0\ub294 \uc5b4\ub5a4 \uc778\uc99d\uc11c\uac00 \ucca8\ubd80\ub418\uc5b4 \uc788\ub098\uc694?<\/strong> A: \ud45c\uc900 \uacf5\uae09 \ud488\ubaa9\uc5d0\ub294 AISI 4340 \uaddc\uaca9 \ud55c\ub3c4\uce58\ub97c \uae30\uc900\uc73c\ub85c \ud55c \uc804\uccb4 \ud654\ud559 \uc131\ubd84 \ubd84\uc11d \uacb0\uacfc, \uc0b0\uc18c\u00b7\uc9c8\uc18c \ud568\ub7c9, \ub808\uc774\uc800 \ud68c\uc808\ubc95\uc744 \ud1b5\ud55c \uc785\ub3c4 \ubd84\ud3ec(PSD), \ud640 \uc720\ub7c9, \uac89\ubc00\ub3c4\uac00 \ud3ec\ud568\ub41c \ubd84\uc11d \uc99d\uba85\uc11c\uac00 \ud3ec\ud568\ub429\ub2c8\ub2e4. \ud56d\uacf5\uc6b0\uc8fc \ubc0f \ubc29\uc704 \uc0b0\uc5c5 \ud504\ub85c\uadf8\ub7a8\uc758 \uacbd\uc6b0, SEM \ud615\ud0dc \ubd84\uc11d \ubcf4\uace0\uc11c\uc640 \ubd84\ubb34 \uc5f4 \ucd94\uc801\uc131 \uc815\ubcf4\ub97c \uc81c\uacf5\ubc1b\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Q4: 4340 \ubd84\ub9d0\uc744 \uc8fc\ubb38\ud560 \ub54c \ucd5c\uc18c \uc8fc\ubb38 \uc218\ub7c9(MOQ)\uc740 \uc5bc\ub9c8\uc785\ub2c8\uae4c?<\/strong> A: \ub9e4\uac1c\ubcc0\uc218 \uac1c\ubc1c \ubc0f \uc5f4\ucc98\ub9ac \uc801\uaca9\uc131 \ud3c9\uac00\ub97c \uc704\ud574 10~20kg\uc758 \uc2dc\ub8cc \uc218\ub7c9\uc744 \uc81c\uacf5\ud574 \ub4dc\ub9bd\ub2c8\ub2e4. \uc0dd\uc0b0 \uc8fc\ubb38\uc740 \uc77c\ubc18\uc801\uc73c\ub85c 50kg\ubd80\ud130 \uc2dc\uc791\ub418\uba70, 200kg \uc774\uc0c1 \uc8fc\ubb38 \uc2dc \ub300\ub7c9 \uad6c\ub9e4 \ud560\uc778\uc774 \uc801\uc6a9\ub429\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Q5: 4340 \ubd84\ub9d0\uc758 \uc131\ubd84\uc744 \ub9de\ucda4 \uc81c\uc791\ud560 \uc218 \uc788\uc2b5\ub2c8\uae4c?<\/strong> A: \ub124. 0.38-0.43% \ubc94\uc704 \ub0b4\uc5d0\uc11c \ud0c4\uc18c\ub97c \uc870\uc808\ud560 \uc218 \uc788\uc73c\uba70, \uc800\uc778\u00b7\uc800\ud669 \ud504\ub9ac\ubbf8\uc5c4 \uc6a9\uc735\ubb3c\uc744 \uacf5\uae09\ud560 \uc218 \uc788\uace0, 4140\uc774\ub098 300M \ubcc0\ud615\uc7ac\uc640 \uac19\uc740 \uad00\ub828 \ub4f1\uae09\ub3c4 \ucd5c\uc18c \uc0dd\uc0b0\ub7c9\ub9cc \ucda9\uc871\ud558\uba74 \ub3d9\uc77c\ud55c \ubd84\ubb34 \ud50c\ub7ab\ud3fc\uc5d0\uc11c \uc0dd\uc0b0\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Q6: 4340 \ubd84\ub9d0 \uc8fc\ubb38\uc758 \uc77c\ubc18\uc801\uc778 \ub9ac\ub4dc \ud0c0\uc784\uc740 \uc5bc\ub9c8\uc785\ub2c8\uae4c?<\/strong> A: \ud45c\uc900 \uaddc\uaca9 \uc81c\ud488\uc740 \ub300\uac1c \uc7ac\uace0\uac00 \uc788\uac70\ub098 1~2\uc8fc \uc774\ub0b4\uc5d0 \uacf5\uae09 \uac00\ub2a5\ud569\ub2c8\ub2e4. \ub9de\ucda4\ud615 \ud654\ud559 \uc131\ubd84 \uc81c\ud488, \uc544\ub974\uace4 \ubd84\ubb34 \ubc29\uc2dd\uc758 \ud504\ub9ac\ubbf8\uc5c4 \ub4f1\uae09 \uc81c\ud488, \ub300\ub7c9 \uc8fc\ubb38\uc758 \uacbd\uc6b0 \uc6a9\ud574 \ubc0f \ubd84\ubb34 \uc77c\uc815\uc5d0 \ub530\ub77c \uc77c\ubc18\uc801\uc73c\ub85c 3~6\uc8fc\uac00 \uc18c\uc694\ub429\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>","protected":false},"excerpt":{"rendered":"<p>Quick Answer 4340 alloy steel powder is a spherical Ni-Cr-Mo low alloy steel feedstock (nominal 0.40% C, 1.8% Ni, 0.8% Cr, 0.25% Mo, balance Fe) used in laser powder bed fusion, directed energy deposition, binder jetting, and powder metallurgy to produce ultra-high-strength structural parts. In powder bed fusion systems it performs well but demands respect [&hellip;]<\/p>\n","protected":false},"author":7,"featured_media":10339,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":"","_members_access_role":[],"_members_access_error":""},"categories":[1],"tags":[],"post_folder":[],"class_list":["post-10412","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"_links":{"self":[{"href":"https:\/\/am-material.com\/ko\/wp-json\/wp\/v2\/posts\/10412","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/am-material.com\/ko\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/am-material.com\/ko\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/am-material.com\/ko\/wp-json\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"https:\/\/am-material.com\/ko\/wp-json\/wp\/v2\/comments?post=10412"}],"version-history":[{"count":1,"href":"https:\/\/am-material.com\/ko\/wp-json\/wp\/v2\/posts\/10412\/revisions"}],"predecessor-version":[{"id":10413,"href":"https:\/\/am-material.com\/ko\/wp-json\/wp\/v2\/posts\/10412\/revisions\/10413"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/am-material.com\/ko\/wp-json\/wp\/v2\/media\/10339"}],"wp:attachment":[{"href":"https:\/\/am-material.com\/ko\/wp-json\/wp\/v2\/media?parent=10412"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/am-material.com\/ko\/wp-json\/wp\/v2\/categories?post=10412"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/am-material.com\/ko\/wp-json\/wp\/v2\/tags?post=10412"},{"taxonomy":"post_folder","embeddable":true,"href":"https:\/\/am-material.com\/ko\/wp-json\/wp\/v2\/post_folder?post=10412"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}