{"id":7989,"date":"2019-05-17T12:08:34","date_gmt":"2019-05-17T12:08:34","guid":{"rendered":"https:\/\/staging.asminternational.org\/hts-new\/results\/-\/journal_content\/56\/10192\/37291641\/NEWS\/"},"modified":"2023-02-07T04:47:58","modified_gmt":"2023-02-07T04:47:58","slug":"the-effect-of-rapid-heat-treatment-on-the-mechanical-properties-of-cold-spray-coatings","status":"publish","type":"post","link":"https:\/\/www.asminternational.org\/hts\/the-effect-of-rapid-heat-treatment-on-the-mechanical-properties-of-cold-spray-coatings\/","title":{"rendered":"The Effect of Rapid Heat Treatment on the Mechanical Properties of Cold Spray Coatings"},"content":{"rendered":"<p style=\"margin-bottom:.0001pt\"><span style=\"line-height:normal\"><span style=\"font-size:12.0pt\">This ITSC 2019 paper details the mechanical testing of Al 6061 cold spray coatings before and after a rapid heat treatment with a novel focused IR device. The focused IR device was used to heat treat the cold spray coatings in-process with the aim of improving ductility and substrate-coating bond strength, and reducing residual stresses.&nbsp;<\/span><\/span><\/p>\n<p style=\"margin-bottom:.0001pt\">&nbsp;<\/p>\n<p style=\"margin-bottom:.0001pt\"><span style=\"line-height:normal\"><span style=\"font-size:12.0pt\">The treated samples were compared to a controlled annealing process, which was carried out in a furnace after cold spray. The power output of the IR device was set to the maximum level of 220 W\/cm<sup>2<\/sup><\/span><span style=\"font-size:12.0pt\">, which was focused over a 10 mm diameter outlet area. The number of passes and traverse speed of the heat treatment process were varied in order to optimize the effect of the heat treatment. <\/span><\/span><\/p>\n<p style=\"margin-bottom:.0001pt\">&nbsp;<\/p>\n<p style=\"margin-bottom:.0001pt\"><span style=\"line-height:normal\"><span style=\"font-size:12.0pt\">The mechanical properties of the coating were tested by tensile testing of dog-bone samples and by performing pull off tests. Residual stresses were evaluated using strain measurement changes, before cold spray and after heat treatment. It was found that the rapid IR heat treatment process delivered advantages with regard to mechanical properties when compared to the untreated state.<\/span><\/span><\/p>\n<p style=\"margin-bottom:.0001pt\">&nbsp;<\/p>\n<p style=\"margin-bottom:.0001pt\"><span style=\"line-height:normal\"><i><span style=\"font-size:12.0pt\">Mr. Richard Jenkins, Dr. Barry Aldwell, Mr. Jonathan Cassidy, Prof. Rocco Lupoi, Trinity College Dublin, Ireland<\/span><\/i><\/span><\/p>\n<p style=\"margin-bottom:.0001pt\">&nbsp;<\/p>\n<p style=\"margin-bottom:.0001pt\"><span style=\"line-height:normal\"><span style=\"font-size:12.0pt\">Tuesday, May 28, 2019: 11:00<\/span><\/span><\/p>\n<p style=\"margin-bottom:.0001pt\"><span style=\"line-height:normal\"><span style=\"font-size:12.0pt\">Annex Hall\/F202 (Pacifico Yokohama)<\/span><\/span><\/p>\n<p style=\"margin-bottom:.0001pt\">&nbsp;<\/p>\n<p style=\"margin-bottom:.0001pt\">www.tcd.ie&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>This ITSC 2019 paper details the mechanical testing of Al 6061 cold spray coatings before and after a rapid heat treatment with a novel focused IR device.<\/p>\n","protected":false},"author":63082,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[440,441,1],"tags":[],"class_list":["post-7989","post","type-post","status-publish","format-standard","hentry","category-news","category-news-articles","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.9 - 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