{"id":38946,"date":"2018-06-08T13:21:26","date_gmt":"2018-06-08T11:21:26","guid":{"rendered":"https:\/\/cn.quintustechnologies.com\/knowledge-center\/effect-of-porosity-and-eutectics-on-the-high-temperature-low-cycle-fatigue-performance-of-a-nickel-base-single-crystal-superalloy\/"},"modified":"2018-06-08T13:21:26","modified_gmt":"2018-06-08T11:21:26","slug":"effect-of-porosity-and-eutectics-on-the-high-temperature-low-cycle-fatigue-performance-of-a-nickel-base-single-crystal-superalloy","status":"publish","type":"knowledge-center","link":"https:\/\/cn.quintustechnologies.com\/fr\/knowledge-center\/effect-of-porosity-and-eutectics-on-the-high-temperature-low-cycle-fatigue-performance-of-a-nickel-base-single-crystal-superalloy\/","title":{"rendered":"Effet de la porosit\u00e9 et des eutectiques sur la r\u00e9sistance \u00e0 la fatigue \u00e0 haute temp\u00e9rature et \u00e0 faible cycle d&rsquo;un superalliage monocristallin \u00e0 base de nickel"},"content":{"rendered":"<p>Cette \u00e9tude examine l&rsquo;impact de la porosit\u00e9 et de l&rsquo;eutectique \u03b3\/\u03b3\u2032 sur la dur\u00e9e de vie en fatigue \u00e0 bas cycle d&rsquo;un superalliage monocristallin \u00e0 base de Ni \u00e0 haute temp\u00e9rature. Diverses variantes de mat\u00e9riaux ont \u00e9t\u00e9 produites \u00e0 l&rsquo;aide de diff\u00e9rents traitements thermiques, y compris le pressage isostatique \u00e0 chaud. La microscopie \u00e9lectronique a r\u00e9v\u00e9l\u00e9 que les pores et les \u03b3\/\u03b3\u2032-eutectiques provoquent des fissures qui entra\u00eenent une d\u00e9faillance pr\u00e9coce. Les r\u00e9sultats sugg\u00e8rent que les \u03b3\/\u03b3\u2032-eutectiques restants peuvent affaiblir la r\u00e9sistance \u00e0 la fatigue plus que les pores. En outre, des traitements thermiques int\u00e9gr\u00e9s appropri\u00e9s de pressage isostatique \u00e0 chaud am\u00e9liorent la r\u00e9sistance \u00e0 la fatigue.    <\/p>\n","protected":false},"featured_media":32252,"menu_order":0,"template":"","knowledge-center_materials":[523],"knowledge-center_processes":[362],"knowledge-center_language":[135],"knowledge-center_type":[625],"knowledge-center_industry":[347,350,358,351,244],"knowledge-center_topic":[235],"class_list":["post-38946","knowledge-center","type-knowledge-center","status-publish","has-post-thumbnail","hentry","knowledge-center_materials-super-alloy-fr","knowledge-center_processes-moulage","knowledge-center_language-english","knowledge-center_type-publication-technique","knowledge-center_industry-aeronautique","knowledge-center_industry-defense","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\/38946","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\/32252"}],"wp:attachment":[{"href":"https:\/\/cn.quintustechnologies.com\/fr\/wp-json\/wp\/v2\/media?parent=38946"}],"wp:term":[{"taxonomy":"knowledge-center_materials","embeddable":true,"href":"https:\/\/cn.quintustechnologies.com\/fr\/wp-json\/wp\/v2\/knowledge-center_materials?post=38946"},{"taxonomy":"knowledge-center_processes","embeddable":true,"href":"https:\/\/cn.quintustechnologies.com\/fr\/wp-json\/wp\/v2\/knowledge-center_processes?post=38946"},{"taxonomy":"knowledge-center_language","embeddable":true,"href":"https:\/\/cn.quintustechnologies.com\/fr\/wp-json\/wp\/v2\/knowledge-center_language?post=38946"},{"taxonomy":"knowledge-center_type","embeddable":true,"href":"https:\/\/cn.quintustechnologies.com\/fr\/wp-json\/wp\/v2\/knowledge-center_type?post=38946"},{"taxonomy":"knowledge-center_industry","embeddable":true,"href":"https:\/\/cn.quintustechnologies.com\/fr\/wp-json\/wp\/v2\/knowledge-center_industry?post=38946"},{"taxonomy":"knowledge-center_topic","embeddable":true,"href":"https:\/\/cn.quintustechnologies.com\/fr\/wp-json\/wp\/v2\/knowledge-center_topic?post=38946"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}