{"id":37847,"date":"2023-10-21T09:17:35","date_gmt":"2023-10-21T07:17:35","guid":{"rendered":"https:\/\/cn.quintustechnologies.com\/knowledge-center\/strength-am-inconel-718-heat-treatment\/"},"modified":"2025-09-12T12:07:30","modified_gmt":"2025-09-12T10:07:30","slug":"strength-am-inconel-718-heat-treatment","status":"publish","type":"knowledge-center","link":"https:\/\/cn.quintustechnologies.com\/fr\/knowledge-center\/strength-am-inconel-718-heat-treatment\/","title":{"rendered":"Am\u00e9lioration de la r\u00e9sistance de l&rsquo;Inconel 718 fabriqu\u00e9 de mani\u00e8re additive gr\u00e2ce \u00e0 une strat\u00e9gie de traitement thermique simplifi\u00e9e"},"content":{"rendered":"<p>Cette \u00e9tude a optimis\u00e9 le processus de traitement thermique pour la fusion laser sur lit de poudre IN718, en r\u00e9duisant le temps de post-traitement tout en conservant des microstructures b\u00e9n\u00e9fiques et en am\u00e9liorant la r\u00e9sistance \u00e0 la traction. Un proc\u00e9d\u00e9 simplifi\u00e9 a combin\u00e9 le d\u00e9tensionnement, le HIP et le traitement en solution en une seule \u00e9tape de pr\u00e9-vieillissement, suivie d&rsquo;un traitement de vieillissement en une seule \u00e9tape, r\u00e9duisant la dur\u00e9e totale du traitement thermique de 42 h \u00e0 15 h. Le nouveau proc\u00e9d\u00e9 HIP1020RQSA a utilis\u00e9 une pression \u00e9lev\u00e9e (200 MPa), un trempage court \u00e0 1020 \u00b0C (0,5 h) et une trempe rapide (2150 \u00b0C\/min). Cette approche a conduit \u00e0 une recristallisation localis\u00e9e, \u00e0 la fermeture des pores, \u00e0 la dissolution partielle de la phase de Laves et \u00e0 l&rsquo;absence de phase \u03b4. Elle a permis d&rsquo;am\u00e9liorer la limite d&rsquo;\u00e9lasticit\u00e9 de 1112 MPa \u00e0 1209 MPa tout en respectant les normes ASTM F3055-14a.    <\/p>\n","protected":false},"featured_media":32252,"menu_order":0,"template":"","knowledge-center_materials":[523],"knowledge-center_processes":[363,580],"knowledge-center_language":[135],"knowledge-center_type":[625],"knowledge-center_industry":[347,350,358,244],"knowledge-center_topic":[],"class_list":["post-37847","knowledge-center","type-knowledge-center","status-publish","has-post-thumbnail","hentry","knowledge-center_materials-super-alloy-fr","knowledge-center_processes-fabrication-additive","knowledge-center_processes-hip-et-traitement-thermique","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-space-fr"],"acf":[],"_links":{"self":[{"href":"https:\/\/cn.quintustechnologies.com\/fr\/wp-json\/wp\/v2\/knowledge-center\/37847","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=37847"}],"wp:term":[{"taxonomy":"knowledge-center_materials","embeddable":true,"href":"https:\/\/cn.quintustechnologies.com\/fr\/wp-json\/wp\/v2\/knowledge-center_materials?post=37847"},{"taxonomy":"knowledge-center_processes","embeddable":true,"href":"https:\/\/cn.quintustechnologies.com\/fr\/wp-json\/wp\/v2\/knowledge-center_processes?post=37847"},{"taxonomy":"knowledge-center_language","embeddable":true,"href":"https:\/\/cn.quintustechnologies.com\/fr\/wp-json\/wp\/v2\/knowledge-center_language?post=37847"},{"taxonomy":"knowledge-center_type","embeddable":true,"href":"https:\/\/cn.quintustechnologies.com\/fr\/wp-json\/wp\/v2\/knowledge-center_type?post=37847"},{"taxonomy":"knowledge-center_industry","embeddable":true,"href":"https:\/\/cn.quintustechnologies.com\/fr\/wp-json\/wp\/v2\/knowledge-center_industry?post=37847"},{"taxonomy":"knowledge-center_topic","embeddable":true,"href":"https:\/\/cn.quintustechnologies.com\/fr\/wp-json\/wp\/v2\/knowledge-center_topic?post=37847"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}