{"id":9793,"date":"2025-09-11T16:43:52","date_gmt":"2025-09-11T08:43:52","guid":{"rendered":"https:\/\/am-material.com\/?p=9793"},"modified":"2025-09-03T16:48:33","modified_gmt":"2025-09-03T08:48:33","slug":"control-of-oxide-inclusions-in-ods-fecral-steel-by-lpbf-parameters","status":"publish","type":"post","link":"https:\/\/am-material.com\/ko\/news\/control-of-oxide-inclusions-in-ods-fecral-steel-by-lpbf-parameters\/","title":{"rendered":"LPBF \uacf5\uc815 \ub9e4\uac1c\ubcc0\uc218\ub97c \ud1b5\ud55c ODS FeCrAl \uac15\uc5d0\uc11c \uc0b0\ud654\ubb3c \ud568\uc720\ubb3c\uc758 \uc81c\uc5b4"},"content":{"rendered":"

LPBF \uacf5\uc815 \ub9e4\uac1c\ubcc0\uc218\ub97c \ud1b5\ud55c ODS FeCrAl \uac15\uc5d0\uc11c \uc0b0\ud654\ubb3c \ud568\uc720\ubb3c\uc758 \uc81c\uc5b4<\/strong><\/h2>\n\n\n\n

\uc5f4 \uc785\ub825\uc740 \uc6a9\uc735 \ud480\uc758 \ud615\uc0c1\uacfc \uc0b0\ud654\ubb3c \ud568\uc720\ub7c9\uacfc \uc0c1\uad00\uad00\uacc4\uac00 \uc788\uc2b5\ub2c8\ub2e4. \ubcf8 \uc5f0\uad6c\uc9c4\uc740 \ub808\uc774\uc800 \ud30c\uc6b0\ub354 \ubca0\ub4dc \uc6a9\uc735(PBF) \uacf5\uc815\uc758 \ub9e4\uac1c\ubcc0\uc218\ub97c \uc870\uc815\ud558\uc5ec, Fe-22Cr-5.1Al-0.5Ti-0.26Y \ubc0f TiO\u2082 \ubd84\ub9d0 \ud63c\ud569\ubb3c\uc744 \uc6d0\ub8cc\ub85c \ud558\uc5ec Y-Al-O \uc0b0\ud654\ubb3c \ud568\uc720\ubb3c\uc774 \uc5c6\ub294 ODS-FeCrAl \uac15\uc744 \uc81c\uc870\ud588\uc2b5\ub2c8\ub2e4. \ubcf8 \uc5f0\uad6c\ub294 PBF \uacf5\uc815 \uc911 \ud569\uae08\uc5d0\uc11c \uc0b0\ud654\ubb3c \ud568\uc720\ubb3c\uc744 \ud604\uc7a5 \uc81c\uac70\ud560 \uc218 \uc788\ub294 \uc2e4\uc6a9\uc801\uc778 \ubc29\ubc95\uc744 \uc81c\uc2dc\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

\ud569\uae08 \ub0b4\uc758 \uc0b0\ud654\ubb3c \ud568\uc720\ubb3c\uc740 \ubd80\ud488\uc758 \ud53c\ub85c \uc218\uba85\uc744 \uc800\ud558\uc2dc\ud0ac \uc218 \uc788\uc73c\uba70, \ud574\uc218 \ud658\uacbd\uc5d0\uc11c\ub294 \uc6b0\uc120 \ubd80\uc2dd \ubd80\uc704\uac00 \ub420 \uc218 \uc788\ub2e4.<\/p>\n\n\n\n

PBF \uacf5\uc815\uc744 \ud1b5\ud574 FeCrAl ODS \uac15\uc7ac\ub97c \uc81c\uc870\ud560 \ub54c, Y\uc640 Al\uc774 \uc0b0\uc18c(O)\uc5d0 \ub300\ud574 \ub192\uc740 \uce5c\ud654\ub825\uc744 \uac00\uc9c0\uae30 \ub54c\ubb38\uc5d0 Y-Al-O \uc0b0\ud654\ubb3c \uac1c\uc7ac\ubb3c\uc774 \uc0dd\uc131\ub41c\ub2e4. Y\ub97c \ud568\uc720\ud55c \uc0b0\ud654\ubb3c \uac1c\uc7ac\ubb3c\uc758 \uc874\uc7ac\ub294 \uc0b0\ud654\ubb3c \ubd84\uc0b0 \uac15\ud654 \uac15\uc7ac\uc758 \uc801\uce35 \uc81c\uc870 \uacfc\uc815\uc5d0\uc11c \ud754\ud788 \ubc1c\uc0dd\ud558\ub294 \ubb38\uc81c\uc774\ub2e4.<\/p>\n\n\n\n

\ubcf8 \uc5f0\uad6c\uc5d0\uc11c\ub294 \uc0b0\uc18c \uc6b4\ubc18\uccb4\ub85c 0.5 wt.% % TiO\u2082(50 nm, 99.99% \uc21c\ub3c4) \ubd84\ub9d0\uc744 \ud63c\ud569\ud55c Fe-22Cr-5.1Al-0.5Ti-0.26Y (wt.%)\uc758 \uc0ac\uc804 \ud569\uae08 \ubd84\ub9d0\uc5d0 \uc0b0\uc18c \uc6b4\ubc18\uccb4\ub85c\uc11c 0.5 wt%\uc758 TiO\u2082 (50 nm, 99.99% \uc21c\ub3c4) \ubd84\ub9d0\uc744 \ud63c\ud569\ud55c \uac83\uc744 \uc0ac\uc6a9\ud558\uc600\ub2e4. 70 \u00d7 10 \u00d7 15 mm\u00b3 (\uae38\uc774 \u00d7 \ub108\ube44 \u00d7 \ub192\uc774) \ud06c\uae30\uc758 \uc2dc\ud3b8\uc744 \ub808\uc774\uc800 \ud30c\uc6b0\ub354 \ubca0\ub4dc \uc735\ud569(LPBF) \uc2dc\uc2a4\ud15c\uc744 \uc0ac\uc6a9\ud558\uc5ec \uc81c\uc791\ud558\uc600\ub2e4. \uacf5\uc815 \ub9e4\uac1c\ubcc0\uc218\ub294 \ub808\uc774\uc800 \ucd9c\ub825 P = 300 W, \uc2a4\uce90\ub2dd \uc18d\ub3c4 v = 834 mm\/s ~ 1318 mm\/s, \uc2a4\ud31f \uac04\uaca9 h = 110 \u03bcm, \uce35 \ub450\uaed8 t = 30 \u03bcm\uc600\uc2b5\ub2c8\ub2e4. \uc5f0\uc18d\ub41c \uce35 \uc0ac\uc774\uc5d0 90\u00b0 \ud68c\uc804\uc744 \uc801\uc6a9\ud55c \uc591\ubc29\ud5a5 \uc2a4\uce90\ub2dd \uc804\ub7b5\uc744 \ucc44\ud0dd\ud588\ub2e4. \ud504\ub9b0\ud305 \uc804\uc5d0 \uc5f0\uac15 \uae30\ud310\uc744 150\u00b0C\ub85c \uc608\uc5f4\ud588\ub2e4.<\/p>\n\n\n\n

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<\/figcaption><\/figure>\n\n\n\n

\uc6a9\uc735 \ud480\uc5d0 \uac00\ud574\uc9c0\ub294 \uc5f4\uc785\ub825\uc774 \uc99d\uac00\ud568\uc5d0 \ub530\ub77c(\uc989, \uc2a4\uce90\ub2dd \uc18d\ub3c4\uac00 \uac10\uc18c\ud568\uc5d0 \ub530\ub77c) \uc6a9\uc735 \ud480\uc758 \ub2e8\uba74\uc801\uc774 \uc99d\uac00\ud558\uace0, \uc778\uc811\ud55c \uc6a9\uc735 \ud480 \uac04\uc758 \uc7ac\uc6a9\uc735\uc774 \ud5a5\uc0c1\ub429\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uc7ac\uc6a9\uc735\uc758 \uc99d\uc9c4\uc740 \uc774\uc804\uc5d0 \uc751\uace0\ub41c \uc601\uc5ed\uc5d0\uc11c \ud604\uc7ac\uc758 \uc6a9\uc735 \ud480\ub85c \ud5a5\ud558\ub294 \uc5d0\ud53c\ud0dd\uc15c \uc785\uc790 \uc131\uc7a5\uc744 \ucd09\uc9c4\ud558\uc5ec, \uacb0\uacfc\uc801\uc73c\ub85c \uc785\uc790 \uac70\uce60\uc5b4\uc9d0\uc744 \ucd08\ub798\ud569\ub2c8\ub2e4. \uc6a9\uc735 \ud480\uc758 \ud615\uc0c1(\uae4a\uc774\uc640 \ud3ed)\uc740 \uad11\ud559 \uce21\uc815 \uc2dc\uc2a4\ud15c\uc744 \uc0ac\uc6a9\ud558\uc5ec \uc815\ub7c9\uc801\uc73c\ub85c \ubd84\uc11d\ud558\uc600\ub2e4. \uadf8 \uacb0\uacfc, \uc5f4\uc785\ub825\uc774 \uc99d\uac00\ud568\uc5d0 \ub530\ub77c \uc6a9\uc735 \ud480\uc758 \uae4a\uc774\uc640 \ud3ed\uc774 \uc99d\uac00\ud558\ub294 \uac83\uc73c\ub85c \ub098\ud0c0\ub0ac\ub2e4. \uc5f4\uc785\ub825\uc774 109 J\/mm\u00b3\ub85c \uc99d\uac00\ud588\uc744 \ub54c, \uc778\uc1c4 \uacf5\uc815 \uc911 \ud55c \uce35\uc758 \uc801\uce35 \uc7ac\ub8cc\ub294 6\ud68c\uc758 \uc7ac\uc6a9\uc735 \uc8fc\uae30\ub97c \uac70\ucce4\ub2e4.<\/p>\n\n\n\n

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<\/figcaption><\/figure>\n\n\n\n

\ucd94\uac00\uc801\uc778 \ubbf8\uc138\uad6c\uc870 \ubd84\uc11d \uacb0\uacfc, \uc5f4\uc785\ub825\uc744 \uc99d\uac00\uc2dc\ud0a4\uba74 \uc2dc\ud3b8\uc5d0\uc11c Y-Al-O \uc0b0\ud654\ubb3c \ud568\uc720\ubb3c\uc774 \ud6a8\uacfc\uc801\uc73c\ub85c \uc81c\uac70\ub418\ub294 \uac83\uc73c\ub85c \ub098\ud0c0\ub0ac\ub2e4. \uc5f4\uc785\ub825\uc774 109 J\/mm\u00b3\uc77c \ub54c, \ub9e4\ud2b8\ub9ad\uc2a4 \ub0b4\uc758 Y-Al-O \uc0b0\ud654\ubb3c \ud568\uc720\ubb3c\uc740 \uac70\uc758 \ubcf4\uc774\uc9c0 \uc54a\uc558\ub2e4(0.1% \ubbf8\ub9cc).<\/p>\n\n\n\n

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<\/figcaption><\/figure>\n\n\n\n

\uadf8\ub7ec\ub098 \uc5f4\uc785\ub825\uc774 \uc99d\uac00\ud558\uba74 \uc785\uc790\uac00 \uac70\uce60\uc5b4\uc9d1\ub2c8\ub2e4. \ud3c9\uade0 \uc785\uc790 \ud06c\uae30\ub294 72 \u03bcm\uc5d0\uc11c 179 \u03bcm\ub85c \uc99d\uac00\ud569\ub2c8\ub2e4. \ub610\ud55c, \uc5f4 \ud22c\uc785\ub7c9\uc774 \uc99d\uac00\ud568\uc5d0 \ub530\ub77c \ub098\ub178\uce68\uc804\ubb3c\uc758 \ud06c\uae30\ub3c4 35 nm\uc5d0\uc11c 49 nm\ub85c \uc99d\uac00\ud569\ub2c8\ub2e4. \uc774 \ub098\ub178\uce68\uc804\ubb3c\uc740 \ucf54\uc5b4-\uc258 \uad6c\uc870\ub97c \uac00\uc9c0\uba70, Y\u2082O\u2083\/TiN\uc73c\ub85c \ud655\uc778\ub418\uc5c8\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n

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<\/figcaption><\/figure>\n\n\n\n

\uc2e4\uc628 \uc778\uc7a5 \uc2dc\ud5d8 \uacb0\uacfc\uc5d0 \ub530\ub974\uba74, \ubbf8\uc138\uad6c\uc870\uac00 \uac70\uce60\uc5b4\uc84c\uc74c\uc5d0\ub3c4 \ubd88\uad6c\ud558\uace0 \uc5f4\uc785\ub825\uc744 \uc99d\uac00\uc2dc\ud0a8 \ud6c4 \uc2dc\ud3b8\uc758 \ud56d\ubcf5 \uac15\ub3c4\ub294 37 MPa\ub9cc \uac10\uc18c\ud588\uc73c\uba70, \ud30c\uad34 \uc591\uc0c1\uc740 \uc5f0\uc131\uc774\uc5c8\ub2e4. \ud56d\ubcf5 \uac15\ub3c4\ub294 \uc8fc\ub85c \uaca9\uc790 \ub9c8\ucc30 \uc751\ub825, \uc6a9\uccb4 \uac15\ud654, \uacb0\uc815\uacc4 \uac15\ud654, \uc11d\ucd9c \uac15\ud654 \ubc0f \uc804\uc704 \uac15\ud654\uc5d0 \uae30\uc778\ud55c\ub2e4. \uc774\ub7ec\ud55c \uac15\ud654 \uba54\ucee4\ub2c8\uc998 \uc911\uc5d0\uc11c\ub3c4 \uc804\uc704 \uac15\ud654\uac00 ODS-FeCrAl \uac15\ucca0\uc758 \ud56d\ubcf5 \uac15\ub3c4\uc5d0 \uac00\uc7a5 \ud070 \uae30\uc5ec\ub97c \ud55c\ub2e4.<\/p>\n\n\n\n

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<\/figcaption><\/figure>","protected":false},"excerpt":{"rendered":"

Control of oxide inclusions in ODS FeCrAl steel by LPBF parameters Heat input is correlated with melt pool geometry and oxide inclusion content. Our researchers have modified laser powder bed melting parameters to produce an ODS-FeCrAl steel free of Y-Al-O oxide inclusions from a Fe-22Cr-5.1Al-0.5Ti-0.26Y and TiO\u2082powder mixture. This research provides a feasible method for […]<\/p>\n","protected":false},"author":6,"featured_media":9794,"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-9793","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\/9793","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\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/am-material.com\/ko\/wp-json\/wp\/v2\/comments?post=9793"}],"version-history":[{"count":1,"href":"https:\/\/am-material.com\/ko\/wp-json\/wp\/v2\/posts\/9793\/revisions"}],"predecessor-version":[{"id":9800,"href":"https:\/\/am-material.com\/ko\/wp-json\/wp\/v2\/posts\/9793\/revisions\/9800"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/am-material.com\/ko\/wp-json\/wp\/v2\/media\/9794"}],"wp:attachment":[{"href":"https:\/\/am-material.com\/ko\/wp-json\/wp\/v2\/media?parent=9793"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/am-material.com\/ko\/wp-json\/wp\/v2\/categories?post=9793"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/am-material.com\/ko\/wp-json\/wp\/v2\/tags?post=9793"},{"taxonomy":"post_folder","embeddable":true,"href":"https:\/\/am-material.com\/ko\/wp-json\/wp\/v2\/post_folder?post=9793"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}