{"id":8429,"date":"2019-03-11T16:01:54","date_gmt":"2019-03-11T16:01:54","guid":{"rendered":"https:\/\/staging.asminternational.org\/hts-new\/results\/-\/journal_content\/56\/10192\/36727683\/NEWS\/"},"modified":"2023-02-07T04:48:50","modified_gmt":"2023-02-07T04:48:50","slug":"tungsten-based-alloy-withstands-radiation-in-nuclear-fusion-devices-without-damage","status":"publish","type":"post","link":"https:\/\/www.asminternational.org\/hts\/tungsten-based-alloy-withstands-radiation-in-nuclear-fusion-devices-without-damage\/","title":{"rendered":"Tungsten-based alloy withstands radiation in nuclear fusion devices without damage"},"content":{"rendered":"<p><span lang=\"EN\" style=\"font-family:&quot;Calibri&quot;,sans-serif\">Los Alamos National Laboratory, New Mexico, announces that its scientists have developed a tungsten-based alloy that can withstand unprecedented amounts of radiation without damage. The material, created as a thin film, is a quaternary nanocrystalline tungsten-tantalum-vanadium-chromium alloy that has been characterized under extreme thermal conditions and after irradiation.<\/span><\/p>\n<p><span lang=\"EN\" style=\"font-family:&quot;Calibri&quot;,sans-serif\">Essential for extreme irradiation environments such as the interiors of magnetic fusion reactors, previously explored materials have thus far been hobbled by weakness against fracture, but this new alloy seems to defeat that problem.<\/span><\/p>\n<p><span lang=\"EN\" style=\"font-family:&quot;Calibri&quot;,sans-serif\">\u201cThis material showed outstanding radiation resistance when compared to pure nanocrystalline tungsten materials and other conventional alloys,\u201d said Osman El Atwani, the lead author of the paper and the principal investigator of the <em><span style=\"font-family:&quot;Calibri&quot;,sans-serif\">\u201cRadiation Effects and Plasma Material Interactions in Tungsten Based Materials\u201d<\/span><\/em> project at Los Alamos. \u201cOur investigations of the material mechanical properties under different stress states and response of the material under plasma exposure are ongoing.\u201d<\/span><\/p>\n<p><span lang=\"EN\" style=\"font-family:&quot;Calibri&quot;,sans-serif\">\u201cWe have never seen before a material that can withstand the level of radiation damage that we have observed for this high-entropy [four or more principal elements] alloy,\u201d says principal investigator Enrique Martinez Saez, a coauthor of the paper at Los Alamos. \u201cIt seems to retain outstanding mechanical properties after irradiation, as opposed to traditional counterparts, in which the mechanical properties degrade easily under irradiation.\u201d<\/span><\/p>\n<p><span lang=\"EN\" style=\"font-family:&quot;Calibri&quot;,sans-serif\"><a href=\"http:\/\/www.lanl.gov\">www.lanl.gov<\/a><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Los Alamos National Laboratory, New Mexico, announces that its scientists have developed a tungsten-based alloy that can withstand unprecedented amounts of radiation without damage.<\/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":[440,441,478,1],"tags":[],"class_list":["post-8429","post","type-post","status-publish","format-standard","hentry","category-news","category-news-articles","category-nuclear-power","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.9 - 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