{"id":3336,"date":"2023-02-08T10:44:52","date_gmt":"2023-02-08T15:44:52","guid":{"rendered":"https:\/\/cqfa.quebec\/?p=3336"},"modified":"2023-02-08T10:53:22","modified_gmt":"2023-02-08T15:53:22","slug":"influence-of-post-processing-conditions-on-the-microstructure-static-and-fatigue-resistance-of-laser-powder-bed-fused-ti-6al-4v-components","status":"publish","type":"post","link":"https:\/\/cqfa.quebec\/en\/influence-of-post-processing-conditions-on-the-microstructure-static-and-fatigue-resistance-of-laser-powder-bed-fused-ti-6al-4v-components\/","title":{"rendered":"Influence of Post-Processing Conditions on the Microstructure, Static, and Fatigue Resistance of Laser Powder Bed Fused Ti-6Al-4V Components"},"content":{"rendered":"<p><em>Herrera Jimenez, E.; Kreitcberg, A.; Moquin, E.; Brailovski, V. (2022). Influence of Post-Processing Conditions on the Microstructure, Static, and Fatigue Resistance of Laser Powder Bed Fused Ti-6Al-4V Components. J. Manuf. Mater. Process.2022,\u00a06(4), 85.<\/em><\/p>\n<p>&nbsp;<\/p>\n<p>The microstructure, static, and fatigue mechanical properties of laser powder bed fused (LPBF) Ti-6Al-4V components subjected to three different post-processing treatments (PTs) are compared. The first treatment includes stress relief (SR) and beta-phase annealing (BA) heat treatments, the second one includes SR, beta-solution (BST) and over aging (OA) heat treatments, and the third procedure is a combination of hot isostatic pressing (HIP) and BST + OA. It was demonstrated that the three PTs led to the decomposition of \u03b1\u2019 martensite inherited from the LPBF process and the formation of variable \u03b1 + \u03b2 structures. A microstructural analysis was performed after treatment. To compare the impact of these PTs on the mechanical properties of LPBF components, they were subjected to static and fatigue tensile testing at room temperature. The best combination of mechanical properties (yield strength ~920 MPa, ultimate strength ~1000 MPa, elongation to break ~22.5%, and fatigue strength ~600 MPa, 10<sup>7<\/sup>\u00a0cycles) was obtained in the case of SR + BA specimens. These results demonstrate that an adequate thermal treatment, such as SR + BA, of the LPBF Ti64 components, could be a valuable and less expensive alternative to the established HIP + BST + OA treatment procedure when fatigue life is the main concern.<\/p>\n<p>&nbsp;<\/p>\n<p class=\"link-btn-style btn-yellow\"><a href=\"https:\/\/www.mdpi.com\/2504-4494\/6\/4\/85\" target=\"_blank\" rel=\"noopener\">Read the publication<\/a><\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Herrera Jimenez, E.; Kreitcberg, A.; Moquin, E.; Brailovski, V. (2022). Influence of Post-Processing Conditions on the Microstructure, Static, and Fatigue Resistance of Laser Powder Bed Fused Ti-6Al-4V Components. J. Manuf. [&hellip;]<\/p>\n","protected":false},"author":80,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_bbp_topic_count":0,"_bbp_reply_count":0,"_bbp_total_topic_count":0,"_bbp_total_reply_count":0,"_bbp_voice_count":0,"_bbp_anonymous_reply_count":0,"_bbp_topic_count_hidden":0,"_bbp_reply_count_hidden":0,"_bbp_forum_subforum_count":0,"footnotes":""},"categories":[43],"tags":[],"class_list":["post-3336","post","type-post","status-publish","format-standard","hentry","category-publications-academiques-quebecoises"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Influence of Post-Processing Conditions on the Microstructure, Static, and Fatigue Resistance of Laser Powder Bed Fused Ti-6Al-4V Components - CQFA - Carrefour qu\u00e9b\u00e9cois de la fabrication additive<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/cqfa.quebec\/en\/influence-of-post-processing-conditions-on-the-microstructure-static-and-fatigue-resistance-of-laser-powder-bed-fused-ti-6al-4v-components\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Influence of Post-Processing Conditions on the Microstructure, Static, and Fatigue Resistance of Laser Powder Bed Fused Ti-6Al-4V Components - CQFA - Carrefour qu\u00e9b\u00e9cois de la fabrication additive\" \/>\n<meta property=\"og:description\" content=\"Herrera Jimenez, E.; Kreitcberg, A.; Moquin, E.; Brailovski, V. 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