{"id":2802,"date":"2022-09-14T07:53:38","date_gmt":"2022-09-14T12:53:38","guid":{"rendered":"https:\/\/cqfa.quebec\/?p=2802"},"modified":"2022-09-14T08:02:43","modified_gmt":"2022-09-14T13:02:43","slug":"ti-6al-4v-valve-bonnet-repair","status":"publish","type":"post","link":"https:\/\/cqfa.quebec\/en\/ti-6al-4v-valve-bonnet-repair\/","title":{"rendered":"Ti-6Al-4V Valve Bonnet Repair"},"content":{"rendered":"<p><em>Centre de m\u00e9tallurgie du Qu\u00e9bec (CMQ), Fluoroseal Inc. (2018-2019)<\/em><\/p>\n<p>&nbsp;<\/p>\n<h2><span class=\"fontstyle0\">Objectives<\/span><\/h2>\n<p><span class=\"fontstyle0\"><br \/>\n<\/span><span class=\"fontstyle2\"><span class=\"fontstyle0\">To repair cast parts while minimizing the impact on the final part\u2019s properties.<\/span>\u00a0<\/span><\/p>\n<h2><span class=\"fontstyle2\"><br \/>\n<\/span><span class=\"fontstyle0\">background<\/span><\/h2>\n<p><span class=\"fontstyle0\"><br \/>\n<\/span><span class=\"fontstyle3\"><span class=\"fontstyle0\">The lost-wax casting process produces high-quality, high-value-added titanium parts. But rare defects can occur, even with a controlled process. This can result in the part\u2019s rejection. An interesting alternative involves repairing the cast part rather than rejecting it to recover the metal. To achieve this, Fluorseal Inc. contacted the Centre de m\u00e9tallurgie du Qu\u00e9bec (CMQ) to develop a repair process for a Ti-6Al-4V valve bonnet through a research project funded by the Natural Sciences and Engineering Research Council (NSERC).<\/span>\u00a0<\/span><\/p>\n<h2><span class=\"fontstyle3\"><br \/>\n<\/span><span class=\"fontstyle0\">The Challenge<\/span><\/h2>\n<p><span class=\"fontstyle0\"><br \/>\n<\/span><span class=\"fontstyle3\"><span class=\"fontstyle0\">Parts are typically repaired through welding. In certain cases, however, like those involving smaller parts, the energy transmitted through welding often becomes very high and can distort the part\u2019s final geometry. Significant thermal stresses and the presence of heat-affected zones can also occur, increasing the risk of cracks in the alpha case over a longer range. This alpha case is always present because the heat treatment, along with the chemical and mechanical machining steps, are performed after the repair to avoid having to repeat these steps.<\/span>\u00a0<\/span><\/p>\n<p>&nbsp;<\/p>\n<p class=\"link-btn-style btn-yellow\"><a href=\"https:\/\/cqfa.quebec\/en\/etude-de-cas_fluoroseal-valves_ang-2\/\" target=\"_blank\" rel=\"noopener\">Read the case study<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Centre de m\u00e9tallurgie du Qu\u00e9bec (CMQ), Fluoroseal Inc. (2018-2019) &nbsp; Objectives To repair cast parts while minimizing the impact on the final part\u2019s properties.\u00a0 background The lost-wax casting process produces [&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":[33],"tags":[],"class_list":["post-2802","post","type-post","status-publish","format-standard","hentry","category-case-studies"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Ti-6Al-4V Valve Bonnet Repair - 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\/ti-6al-4v-valve-bonnet-repair\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Ti-6Al-4V Valve Bonnet Repair - CQFA - Carrefour qu\u00e9b\u00e9cois de la fabrication additive\" \/>\n<meta property=\"og:description\" content=\"Centre de m\u00e9tallurgie du Qu\u00e9bec (CMQ), Fluoroseal Inc. (2018-2019) &nbsp; Objectives To repair cast parts while minimizing the impact on the final part\u2019s properties.\u00a0 background The lost-wax casting process produces [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/cqfa.quebec\/en\/ti-6al-4v-valve-bonnet-repair\/\" \/>\n<meta property=\"og:site_name\" content=\"CQFA - Carrefour qu\u00e9b\u00e9cois de la fabrication additive\" \/>\n<meta property=\"article:published_time\" content=\"2022-09-14T12:53:38+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2022-09-14T13:02:43+00:00\" \/>\n<meta name=\"author\" content=\"f.charreteur\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"f.charreteur\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/cqfa.quebec\/en\/ti-6al-4v-valve-bonnet-repair\/\",\"url\":\"https:\/\/cqfa.quebec\/en\/ti-6al-4v-valve-bonnet-repair\/\",\"name\":\"Ti-6Al-4V Valve Bonnet Repair - CQFA - Carrefour qu\u00e9b\u00e9cois de la fabrication additive\",\"isPartOf\":{\"@id\":\"https:\/\/cqfa.quebec\/en\/#website\"},\"datePublished\":\"2022-09-14T12:53:38+00:00\",\"dateModified\":\"2022-09-14T13:02:43+00:00\",\"author\":{\"@id\":\"https:\/\/cqfa.quebec\/en\/#\/schema\/person\/1471d3e52124b5db8e382db2fe9fd129\"},\"breadcrumb\":{\"@id\":\"https:\/\/cqfa.quebec\/en\/ti-6al-4v-valve-bonnet-repair\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/cqfa.quebec\/en\/ti-6al-4v-valve-bonnet-repair\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/cqfa.quebec\/en\/ti-6al-4v-valve-bonnet-repair\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Accueil\",\"item\":\"https:\/\/cqfa.quebec\/en\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Ti-6Al-4V Valve Bonnet Repair\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/cqfa.quebec\/en\/#website\",\"url\":\"https:\/\/cqfa.quebec\/en\/\",\"name\":\"CQFA - Carrefour qu\u00e9b\u00e9cois de la fabrication additive\",\"description\":\"site du CQFA - Carrefour qu\u00e9b\u00e9cois de la fabrication additive\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/cqfa.quebec\/en\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/cqfa.quebec\/en\/#\/schema\/person\/1471d3e52124b5db8e382db2fe9fd129\",\"name\":\"f.charreteur\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/cqfa.quebec\/en\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/9363954600b2451cee337a467f183d3578e177b3c8101e36f7dfcb5adaa93ea5?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/9363954600b2451cee337a467f183d3578e177b3c8101e36f7dfcb5adaa93ea5?s=96&d=mm&r=g\",\"caption\":\"f.charreteur\"},\"url\":\"https:\/\/cqfa.quebec\/en\/author\/f-charreteur\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Ti-6Al-4V Valve Bonnet Repair - CQFA - Carrefour qu\u00e9b\u00e9cois de la fabrication additive","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/cqfa.quebec\/en\/ti-6al-4v-valve-bonnet-repair\/","og_locale":"en_US","og_type":"article","og_title":"Ti-6Al-4V Valve Bonnet Repair - CQFA - Carrefour qu\u00e9b\u00e9cois de la fabrication additive","og_description":"Centre de m\u00e9tallurgie du Qu\u00e9bec (CMQ), Fluoroseal Inc. (2018-2019) &nbsp; Objectives To repair cast parts while minimizing the impact on the final part\u2019s properties.\u00a0 background The lost-wax casting process produces [&hellip;]","og_url":"https:\/\/cqfa.quebec\/en\/ti-6al-4v-valve-bonnet-repair\/","og_site_name":"CQFA - Carrefour qu\u00e9b\u00e9cois de la fabrication additive","article_published_time":"2022-09-14T12:53:38+00:00","article_modified_time":"2022-09-14T13:02:43+00:00","author":"f.charreteur","twitter_card":"summary_large_image","twitter_misc":{"Written by":"f.charreteur","Est. reading time":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/cqfa.quebec\/en\/ti-6al-4v-valve-bonnet-repair\/","url":"https:\/\/cqfa.quebec\/en\/ti-6al-4v-valve-bonnet-repair\/","name":"Ti-6Al-4V Valve Bonnet Repair - CQFA - Carrefour qu\u00e9b\u00e9cois de la fabrication additive","isPartOf":{"@id":"https:\/\/cqfa.quebec\/en\/#website"},"datePublished":"2022-09-14T12:53:38+00:00","dateModified":"2022-09-14T13:02:43+00:00","author":{"@id":"https:\/\/cqfa.quebec\/en\/#\/schema\/person\/1471d3e52124b5db8e382db2fe9fd129"},"breadcrumb":{"@id":"https:\/\/cqfa.quebec\/en\/ti-6al-4v-valve-bonnet-repair\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/cqfa.quebec\/en\/ti-6al-4v-valve-bonnet-repair\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/cqfa.quebec\/en\/ti-6al-4v-valve-bonnet-repair\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Accueil","item":"https:\/\/cqfa.quebec\/en\/"},{"@type":"ListItem","position":2,"name":"Ti-6Al-4V Valve Bonnet Repair"}]},{"@type":"WebSite","@id":"https:\/\/cqfa.quebec\/en\/#website","url":"https:\/\/cqfa.quebec\/en\/","name":"CQFA - Carrefour qu\u00e9b\u00e9cois de la fabrication additive","description":"site du CQFA - Carrefour qu\u00e9b\u00e9cois de la fabrication additive","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/cqfa.quebec\/en\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Person","@id":"https:\/\/cqfa.quebec\/en\/#\/schema\/person\/1471d3e52124b5db8e382db2fe9fd129","name":"f.charreteur","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/cqfa.quebec\/en\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/9363954600b2451cee337a467f183d3578e177b3c8101e36f7dfcb5adaa93ea5?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/9363954600b2451cee337a467f183d3578e177b3c8101e36f7dfcb5adaa93ea5?s=96&d=mm&r=g","caption":"f.charreteur"},"url":"https:\/\/cqfa.quebec\/en\/author\/f-charreteur\/"}]}},"_links":{"self":[{"href":"https:\/\/cqfa.quebec\/en\/wp-json\/wp\/v2\/posts\/2802","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cqfa.quebec\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/cqfa.quebec\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/cqfa.quebec\/en\/wp-json\/wp\/v2\/users\/80"}],"replies":[{"embeddable":true,"href":"https:\/\/cqfa.quebec\/en\/wp-json\/wp\/v2\/comments?post=2802"}],"version-history":[{"count":1,"href":"https:\/\/cqfa.quebec\/en\/wp-json\/wp\/v2\/posts\/2802\/revisions"}],"predecessor-version":[{"id":2803,"href":"https:\/\/cqfa.quebec\/en\/wp-json\/wp\/v2\/posts\/2802\/revisions\/2803"}],"wp:attachment":[{"href":"https:\/\/cqfa.quebec\/en\/wp-json\/wp\/v2\/media?parent=2802"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cqfa.quebec\/en\/wp-json\/wp\/v2\/categories?post=2802"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cqfa.quebec\/en\/wp-json\/wp\/v2\/tags?post=2802"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}