{"id":5514,"date":"2025-02-07T16:14:38","date_gmt":"2025-02-07T21:14:38","guid":{"rendered":"https:\/\/cqfa.quebec\/?p=5514"},"modified":"2025-02-07T16:18:02","modified_gmt":"2025-02-07T21:18:02","slug":"thermo-microstructural-mechanical-modeling-of-the-effect-of-wire-diameters-on-single-bead-ti-6al-4v-wall-deposits-by-laser-wire-deposition","status":"publish","type":"post","link":"https:\/\/cqfa.quebec\/en\/thermo-microstructural-mechanical-modeling-of-the-effect-of-wire-diameters-on-single-bead-ti-6al-4v-wall-deposits-by-laser-wire-deposition\/","title":{"rendered":"Thermo-microstructural-mechanical modeling of the effect of wire diameters on single-bead Ti-6Al-4V wall deposits by laser wire deposition"},"content":{"rendered":"<p><em>Zhang, Q.; Chekir, N.; Brochu, M. (2024). Thermo-microstructural-mechanical modeling of the effect of wire diameters on single-bead Ti-6Al-4V wall deposits by laser wire deposition. Journal of Alloys and Metallurgical Systems, vol. 8, (2024), 100134.<\/em><\/p>\n<p>&nbsp;<\/p>\n<p>Six Ti-6Al-4V deposits with two geometries to extract tensile coupons from the build direction (Z) and travel direction (X), were produced by laser wire deposition (LWD) with different wire diameters. Inconsistent wall profiles were found for deposits produced with wire diameters of 1.1 and 1.6\u202fmm due to the inhomogeneous melt pool sizes generated during the deposition process, indicating the unstable thermal history. It was found that increasing the wire diameter resulted in increased heat input, which produced coarser grains and resulted in decreased strength. Fractography analysis showed that greater amounts of defects were observed on the fracture surfaces of deposits produced with increased wire diameters, which weakened the tensile properties. The grain boundary\u00a0\u03b1\u00a0and the surrounding colony\u00a0\u03b1\u00a0facilitated crack propagation and caused early failure. This research also proposed a platform using modeling techniques to control cooling rates, microstructure (\u03b1\/\u03b2\u00a0phase fractions and\u00a0\u03b1\u00a0lath widths) and yield strength of LWD Ti-6Al-4V. The accuracy of all models was validated by comparing them with experimental data.<\/p>\n<p>&nbsp;<\/p>\n<p class=\"link-btn-style btn-yellow\"><a href=\"https:\/\/www.sciencedirect.com\/science\/article\/pii\/S294991782400083X\" target=\"_blank\" rel=\"noopener\">Read the publication<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Zhang, Q.; Chekir, N.; Brochu, M. (2024). Thermo-microstructural-mechanical modeling of the effect of wire diameters on single-bead Ti-6Al-4V wall deposits by laser wire deposition. Journal of Alloys and Metallurgical Systems, [&hellip;]<\/p>\n","protected":false},"author":80,"featured_media":0,"comment_status":"closed","ping_status":"closed","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-5514","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>Thermo-microstructural-mechanical modeling of the effect of wire diameters on single-bead Ti-6Al-4V wall deposits by laser wire deposition - 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\/thermo-microstructural-mechanical-modeling-of-the-effect-of-wire-diameters-on-single-bead-ti-6al-4v-wall-deposits-by-laser-wire-deposition\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Thermo-microstructural-mechanical modeling of the effect of wire diameters on single-bead Ti-6Al-4V wall deposits by laser wire deposition - CQFA - Carrefour qu\u00e9b\u00e9cois de la fabrication additive\" \/>\n<meta property=\"og:description\" content=\"Zhang, Q.; Chekir, N.; Brochu, M. 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