{"id":9008,"date":"2025-07-18T15:09:58","date_gmt":"2025-07-18T07:09:58","guid":{"rendered":"https:\/\/am-material.com\/?p=9008"},"modified":"2025-07-18T15:10:00","modified_gmt":"2025-07-18T07:10:00","slug":"al2o3-nano-particles-on-cocrni-lpbf-part","status":"publish","type":"post","link":"https:\/\/am-material.com\/es\/news\/al2o3-nano-particles-on-cocrni-lpbf-part\/","title":{"rendered":"Efecto de las nanopart\u00edculas de Al2O3 en las propiedades de la pieza CoCrNi LPBF"},"content":{"rendered":"<h2 class=\"wp-block-heading\"><strong>Efecto de las nanopart\u00edculas de Al2O3 en las propiedades de la pieza CoCrNi LPBF<\/strong><\/h2>\n\n\n\n<p><strong>Experimento<\/strong><\/p>\n\n\n\n<p>En este estudio se utiliz\u00f3 polvo de aleaci\u00f3n de CoCrNi y polvo de Al\u2082O\u2083 como materias primas. El polvo de aleaci\u00f3n de CoCrNi se prepar\u00f3 mediante atomizaci\u00f3n con gas al vac\u00edo, y el tama\u00f1o de part\u00edcula del polvo era de 15-53 \u03bcm. El tama\u00f1o de part\u00edcula del polvo de Al\u2082O\u2083 era de 38-74 \u03bcm. Una vez mezclados los polvos de las materias primas, se procesaron en el sistema de fabricaci\u00f3n aditiva LPBF.<\/p>\n\n\n\n<p><strong>Composici\u00f3n qu\u00edmica del CoCrNi:<\/strong><strong><\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"999\" height=\"366\" src=\"https:\/\/am-material.com\/wp-content\/uploads\/2025\/07\/CoCrNi-powder-china-supplier.png\" alt=\"\" class=\"wp-image-9010\" title=\"\" srcset=\"https:\/\/am-material.com\/wp-content\/uploads\/2025\/07\/CoCrNi-powder-china-supplier.png 999w, https:\/\/am-material.com\/wp-content\/uploads\/2025\/07\/CoCrNi-powder-china-supplier-300x110.png 300w, https:\/\/am-material.com\/wp-content\/uploads\/2025\/07\/CoCrNi-powder-china-supplier-768x281.png 768w, https:\/\/am-material.com\/wp-content\/uploads\/2025\/07\/CoCrNi-powder-china-supplier-18x7.png 18w\" sizes=\"(max-width: 999px) 100vw, 999px\" \/><figcaption><\/figcaption><\/figure>\n\n\n\n<p><strong>Morfolog\u00eda del CoCrNi:<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"494\" height=\"411\" src=\"https:\/\/am-material.com\/wp-content\/uploads\/2025\/07\/CoCrNi-powder-SEM.png\" alt=\"\" class=\"wp-image-9009\" title=\"\" srcset=\"https:\/\/am-material.com\/wp-content\/uploads\/2025\/07\/CoCrNi-powder-SEM.png 494w, https:\/\/am-material.com\/wp-content\/uploads\/2025\/07\/CoCrNi-powder-SEM-300x250.png 300w, https:\/\/am-material.com\/wp-content\/uploads\/2025\/07\/CoCrNi-powder-SEM-14x12.png 14w\" sizes=\"(max-width: 494px) 100vw, 494px\" \/><figcaption><\/figcaption><\/figure>\n\n\n\n<p><strong>An\u00e1lisis de microestructuras:<\/strong><\/p>\n\n\n\n<p>Tras a\u00f1adir Al2O2, los granos de la matriz de CoCrNi se refinan significativamente y se forma un gran n\u00famero de precipitados de Al2O2 a escala nanom\u00e9trica. Estos precipitados se distribuyen a lo largo de los l\u00edmites y obstaculizan eficazmente el movimiento de las dislocaciones.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"990\" height=\"393\" src=\"https:\/\/am-material.com\/wp-content\/uploads\/2025\/07\/CoCrNi-powder-china-manufacturer.png\" alt=\"\" class=\"wp-image-9011\" title=\"\" srcset=\"https:\/\/am-material.com\/wp-content\/uploads\/2025\/07\/CoCrNi-powder-china-manufacturer.png 990w, https:\/\/am-material.com\/wp-content\/uploads\/2025\/07\/CoCrNi-powder-china-manufacturer-300x119.png 300w, https:\/\/am-material.com\/wp-content\/uploads\/2025\/07\/CoCrNi-powder-china-manufacturer-768x305.png 768w, https:\/\/am-material.com\/wp-content\/uploads\/2025\/07\/CoCrNi-powder-china-manufacturer-18x7.png 18w\" sizes=\"(max-width: 990px) 100vw, 990px\" \/><figcaption><\/figcaption><\/figure>\n\n\n\n<p><strong>Propiedades mec\u00e1nicas:<\/strong><\/p>\n\n\n\n<p>Los resultados de los ensayos de compresi\u00f3n muestran que la resistencia a la compresi\u00f3n y la dureza de las piezas de CoCrNi aumentan significativamente con la adici\u00f3n de Al\u2082O\u2083. En particular, cuando el contenido de Al\u2082O\u2083 es del 7,5% en peso, la resistencia \u00faltima a la compresi\u00f3n alcanza los 1143 MPa, la deformaci\u00f3n por fractura es del 29,8% y la dureza es de 300 HV. Estas mejoras en el rendimiento se atribuyen principalmente a mecanismos como el refinamiento del grano, el refuerzo de dislocaciones y el refuerzo de la segunda fase.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"422\" height=\"372\" src=\"https:\/\/am-material.com\/wp-content\/uploads\/2025\/07\/CoCrNi-powder-china-vendor.png\" alt=\"\" class=\"wp-image-9012\" title=\"\" srcset=\"https:\/\/am-material.com\/wp-content\/uploads\/2025\/07\/CoCrNi-powder-china-vendor.png 422w, https:\/\/am-material.com\/wp-content\/uploads\/2025\/07\/CoCrNi-powder-china-vendor-300x264.png 300w, https:\/\/am-material.com\/wp-content\/uploads\/2025\/07\/CoCrNi-powder-china-vendor-14x12.png 14w\" sizes=\"(max-width: 422px) 100vw, 422px\" \/><figcaption><\/figcaption><\/figure>\n\n\n\n<p><strong>Conclusi\u00f3n:<\/strong><\/p>\n\n\n\n<p>En este estudio, se prepararon con \u00e9xito materiales compuestos de matriz met\u00e1lica de CoCrNi reforzados con Al\u2082O\u2083 mediante la tecnolog\u00eda LPBF, y se estudi\u00f3 sistem\u00e1ticamente el efecto de la adici\u00f3n de Al\u2082O\u2083 en la evoluci\u00f3n de la microestructura del material y en sus propiedades mec\u00e1nicas. Los resultados muestran que la adici\u00f3n de una cantidad adecuada de Al\u2082O\u2083 puede mejorar significativamente las propiedades mec\u00e1nicas de las piezas LPBF de CoCrNi. Este estudio proporciona una nueva v\u00eda para desarrollar compuestos de matriz met\u00e1lica de alto rendimiento.<\/p>\n\n\n\n<p><strong>Otros polvos de aleaci\u00f3n de media y alta entrop\u00eda producidos por TRUER:<\/strong><\/p>\n\n\n\n<p>CoCrNi, FeCoNiCr, FeCoNiCrMn, FeCoNiCrAl, FeCoNiCrMo, FeCoNiCrTi, FeCoNiCrV, FeCoNiCrCu<\/p>","protected":false},"excerpt":{"rendered":"<p>Effect of Al2O3 nano-particles on properties of CoCrNi LPBF part Experiment This study used CoCrNi alloy powder and Al\u2082O\u2083 powder as raw materials. CoCrNi alloy powder was prepared by vacuum gas atomization, and the powder particle size range was 15-53 \u03bcm. The particle size of Al\u2082O\u2083 powder was 38-74 \u03bcm. After the raw material powders [&hellip;]<\/p>\n","protected":false},"author":6,"featured_media":9013,"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":""},"categories":[1],"tags":[],"post_folder":[],"class_list":["post-9008","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"_links":{"self":[{"href":"https:\/\/am-material.com\/es\/wp-json\/wp\/v2\/posts\/9008","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/am-material.com\/es\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/am-material.com\/es\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/am-material.com\/es\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/am-material.com\/es\/wp-json\/wp\/v2\/comments?post=9008"}],"version-history":[{"count":1,"href":"https:\/\/am-material.com\/es\/wp-json\/wp\/v2\/posts\/9008\/revisions"}],"predecessor-version":[{"id":9014,"href":"https:\/\/am-material.com\/es\/wp-json\/wp\/v2\/posts\/9008\/revisions\/9014"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/am-material.com\/es\/wp-json\/wp\/v2\/media\/9013"}],"wp:attachment":[{"href":"https:\/\/am-material.com\/es\/wp-json\/wp\/v2\/media?parent=9008"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/am-material.com\/es\/wp-json\/wp\/v2\/categories?post=9008"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/am-material.com\/es\/wp-json\/wp\/v2\/tags?post=9008"},{"taxonomy":"post_folder","embeddable":true,"href":"https:\/\/am-material.com\/es\/wp-json\/wp\/v2\/post_folder?post=9008"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}