{"id":5669,"date":"2024-11-22T13:23:23","date_gmt":"2024-11-22T18:23:23","guid":{"rendered":"https:\/\/laser-ut.tecnar.com\/ultrasons-laser-pour-le-suivi-in-situ-de-levolution-de-la-microstructure-des-aciers\/"},"modified":"2024-11-22T13:23:23","modified_gmt":"2024-11-22T18:23:23","slug":"ultrasons-laser-pour-le-suivi-in-situ-de-levolution-de-la-microstructure-des-aciers","status":"publish","type":"post","link":"https:\/\/laser-ut.tecnar.com\/fr\/ultrasons-laser-pour-le-suivi-in-situ-de-levolution-de-la-microstructure-des-aciers\/","title":{"rendered":"Ultrasons laser pour le suivi in situ de l’\u00e9volution de la microstructure des aciers"},"content":{"rendered":"

L’av\u00e8nement de nouveaux mat\u00e9riaux, en particulier de nouveaux aciers pour des automobiles plus l\u00e9g\u00e8res et plus r\u00e9sistantes, pousse \u00e0 une meilleure compr\u00e9hension de la relation entre les propri\u00e9t\u00e9s m\u00e9caniques et la micro-structure interne des mat\u00e9riaux et, plus important encore, de la mani\u00e8re d’obtenir les microstructures souhait\u00e9es. Les ultrasons sont utilis\u00e9s depuis longtemps pour \u00e9tudier la structure interne des mat\u00e9riaux. L’Ultrasons laser, avec sa fonction sans contact et sa large bande ultrasonore, est l’outil id\u00e9al pour \u00e9tudier l’impact des variables externes telles que la temp\u00e9rature et les contraintes sur la structure interne des mat\u00e9riaux. Tecnar a con\u00e7u le Lumet pour faciliter l’int\u00e9gration d’un syst\u00e8me ultrasons laser dans les simulateurs thermom\u00e9caniques, tels que le Gleeble. L’objectif du Lumet est d’aider les m\u00e9tallurgistes \u00e0 effectuer un suivi en temps r\u00e9el des \u00e9v\u00e9nements sans avoir besoin de connaissances approfondies en mati\u00e8re d’ultrasons laser.<\/p>\n

L’article de 2013 du groupe de Matthias Militzer de l’Universit\u00e9 de Colombie Britannique montre quelques applications du Lumet pour diff\u00e9rentes \u00e9tudes m\u00e9tallurgiques. L’article pr\u00e9sente des r\u00e9sultats sur la cin\u00e9tique de d\u00e9composition aust\u00e9nitique de l’acier API-X80, la recristallisation de la ferrite dans l’acier DP600 lamin\u00e9 \u00e0 froid et la croissance du grain dans les zones affect\u00e9es thermiquement simul\u00e9es du soudage au chalumeau double dans l’API-X80. Le groupe a publi\u00e9 plusieurs articles suppl\u00e9mentaires depuis que le premier Lumet commercial a \u00e9t\u00e9 install\u00e9 sur leur site, en 2012.<\/p>\n

J’esp\u00e8re que cet article donnera au lecteur de nouvelles intuitions sur la mani\u00e8re d’\u00e9tendre ses \u00e9tudes m\u00e9tallurgiques et d’envisager de nouvelles exp\u00e9riences et de nouveaux essais possibles avec le Lumet.<\/p>\n

Lien vers l’article<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

L’av\u00e8nement de nouveaux mat\u00e9riaux, en particulier de nouveaux aciers pour des automobiles plus l\u00e9g\u00e8res et plus r\u00e9sistantes, pousse \u00e0 une […]<\/p>\n

Lire la suite…<\/a><\/p>\n","protected":false},"author":2,"featured_media":4716,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[67,64],"tags":[],"acf":[],"yoast_head":"\nUltrasons laser pour le suivi in situ de l'\u00e9volution de la microstructure des aciers<\/title>\n<meta name=\"description\" content=\"Cet article donne de nouvelles intuitions sur la mani\u00e8re d'\u00e9tendre leurs \u00e9tudes m\u00e9tallurgiques et d'envisager de nouvelles exp\u00e9riences et de nouveaux essais possibles avec le Lumet.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/laser-ut.tecnar.com\/fr\/ultrasons-laser-pour-le-suivi-in-situ-de-levolution-de-la-microstructure-des-aciers\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Ultrasons laser pour le suivi in situ de l'\u00e9volution de la microstructure des aciers\" \/>\n<meta property=\"og:description\" content=\"Cet article donne de nouvelles intuitions sur la mani\u00e8re d'\u00e9tendre leurs \u00e9tudes m\u00e9tallurgiques et d'envisager de nouvelles exp\u00e9riences et de nouveaux essais possibles avec le Lumet.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/laser-ut.tecnar.com\/fr\/ultrasons-laser-pour-le-suivi-in-situ-de-levolution-de-la-microstructure-des-aciers\/\" \/>\n<meta property=\"og:site_name\" content=\"Tecnar Laser UT\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/tecnarautomation\" \/>\n<meta property=\"article:published_time\" content=\"2024-11-22T18:23:23+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/laser-ut.tecnar.com\/wp-content\/uploads\/2022\/12\/LUS-web-1920x1280-7.jpg\" \/>\n\t<meta property=\"og:image:width\" 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