{"id":41025,"date":"2025-09-16T08:48:44","date_gmt":"2025-09-16T06:48:44","guid":{"rendered":"https:\/\/cn.quintustechnologies.com\/knowledge-center\/post-processing-fatigue-variability-lpbf-uw\/"},"modified":"2026-04-23T13:21:51","modified_gmt":"2026-04-23T11:21:51","slug":"post-processing-fatigue-variability-lpbf-uw-2","status":"publish","type":"knowledge-center","link":"https:\/\/cn.quintustechnologies.com\/fr\/knowledge-center\/post-processing-fatigue-variability-lpbf-uw-2\/","title":{"rendered":"Contributions du post-traitement \u00e0 la variabilit\u00e9 de la fatigue dans le L-PBF Ti6Al4V avec l&rsquo;Universit\u00e9 de Washington"},"content":{"rendered":"<p>Dans ce Tech Talk, des chercheurs du <a href=\"https:\/\/mse.washington.edu\/\" target=\"_blank\" rel=\"noopener\">programme Materials Science and Engineering (MSE)<\/a> de l&rsquo;Universit\u00e9 de Washington \u00e9tudient comment les routines de post-traitement influencent les performances en fatigue du Ti6Al4V fabriqu\u00e9 additivement par fusion laser sur lit de poudre (L-PBF).<\/p>\n<p>Dwayne D. Arola, directeur du programme de ma\u00eetrise appliqu\u00e9e, et Rick Schleusener, \u00e9tudiant en doctorat, soulignent le r\u00f4le critique de la variabilit\u00e9 des processus dans la fiabilit\u00e9 des mat\u00e9riaux. L&rsquo;accent est mis sur les contributions du post-traitement \u00e0 la distribution de la dur\u00e9e de vie en fatigue, en comparant les effets de la r\u00e9duction des contraintes (SR) et du pressage isostatique \u00e0 chaud (HIP). <\/p>\n<p>\u00c0 travers cette discussion, l&rsquo;expos\u00e9 met l&rsquo;accent sur la fa\u00e7on dont les voies de post-traitement d\u00e9terminent les origines des d\u00e9faillances, la dispersion de la dur\u00e9e de vie en fatigue et l&rsquo;enveloppe de performance globale du L-PBF Ti6Al4V, avec des implications \u00e0 la fois pour la recherche et les applications industrielles.<\/p>\n<p>Vous pouvez en savoir plus sur ce sujet en consultant<\/p>\n<ul>\n<li>Livre blanc &#8211; <a href=\"https:\/\/cn.quintustechnologies.com\/fr\/knowledge-center\/reducing-fatigue-failure-titanium-alloys-hip-aerospace-medical-am\/\" target=\"_blank\" rel=\"noopener\">R\u00e9duire les d\u00e9faillances dues \u00e0 la fatigue dans les alliages de titane gr\u00e2ce au HIP<\/a><\/li>\n<li>Publication technique &#8211;<a href=\"https:\/\/cn.quintustechnologies.com\/fr\/knowledge-center\/microstructure-mechanical-lpdf-ti-6al-4v\/\" target=\"_blank\" rel=\"noopener\"> Microstructure et propri\u00e9t\u00e9s m\u00e9caniques du L-PBF Ti-6Al-4V apr\u00e8s HIP \u00e0 diff\u00e9rentes temp\u00e9ratures et vitesses de refroidissement<\/a><\/li>\n<\/ul>\n","protected":false},"featured_media":40630,"menu_order":0,"template":"","knowledge-center_materials":[553],"knowledge-center_processes":[363],"knowledge-center_language":[135],"knowledge-center_type":[633],"knowledge-center_industry":[347,350,356,358,351,244],"knowledge-center_topic":[235],"class_list":["post-41025","knowledge-center","type-knowledge-center","status-publish","has-post-thumbnail","hentry","knowledge-center_materials-titanium-alloy-fr","knowledge-center_processes-fabrication-additive","knowledge-center_language-english","knowledge-center_type-entretiens-techniques","knowledge-center_industry-aeronautique","knowledge-center_industry-defense","knowledge-center_industry-domaine-medical","knowledge-center_industry-energie-et-stockage-de-lenergie","knowledge-center_industry-fournisseurs-de-services","knowledge-center_industry-space-fr","knowledge-center_topic-material-densification-fr"],"acf":[],"_links":{"self":[{"href":"https:\/\/cn.quintustechnologies.com\/fr\/wp-json\/wp\/v2\/knowledge-center\/41025","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cn.quintustechnologies.com\/fr\/wp-json\/wp\/v2\/knowledge-center"}],"about":[{"href":"https:\/\/cn.quintustechnologies.com\/fr\/wp-json\/wp\/v2\/types\/knowledge-center"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cn.quintustechnologies.com\/fr\/wp-json\/wp\/v2\/media\/40630"}],"wp:attachment":[{"href":"https:\/\/cn.quintustechnologies.com\/fr\/wp-json\/wp\/v2\/media?parent=41025"}],"wp:term":[{"taxonomy":"knowledge-center_materials","embeddable":true,"href":"https:\/\/cn.quintustechnologies.com\/fr\/wp-json\/wp\/v2\/knowledge-center_materials?post=41025"},{"taxonomy":"knowledge-center_processes","embeddable":true,"href":"https:\/\/cn.quintustechnologies.com\/fr\/wp-json\/wp\/v2\/knowledge-center_processes?post=41025"},{"taxonomy":"knowledge-center_language","embeddable":true,"href":"https:\/\/cn.quintustechnologies.com\/fr\/wp-json\/wp\/v2\/knowledge-center_language?post=41025"},{"taxonomy":"knowledge-center_type","embeddable":true,"href":"https:\/\/cn.quintustechnologies.com\/fr\/wp-json\/wp\/v2\/knowledge-center_type?post=41025"},{"taxonomy":"knowledge-center_industry","embeddable":true,"href":"https:\/\/cn.quintustechnologies.com\/fr\/wp-json\/wp\/v2\/knowledge-center_industry?post=41025"},{"taxonomy":"knowledge-center_topic","embeddable":true,"href":"https:\/\/cn.quintustechnologies.com\/fr\/wp-json\/wp\/v2\/knowledge-center_topic?post=41025"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}