{"id":18269,"date":"2018-02-14T12:00:00","date_gmt":"2018-02-14T12:00:00","guid":{"rendered":"https:\/\/dev.inrs.ca\/new-method-to-replicate-harsh-conditions-for-materials\/"},"modified":"2021-05-21T12:44:01","modified_gmt":"2021-05-21T16:44:01","slug":"new-method-to-replicate-harsh-conditions-for-materials","status":"publish","type":"post","link":"https:\/\/dev.inrs.ca\/en\/news\/new-method-to-replicate-harsh-conditions-for-materials\/","title":{"rendered":"New method to replicate harsh conditions for materials"},"content":{"rendered":"\n

Confining a plasma jet can be stress-inducing\u2026 especially on the materials especially for shielding materials. Noting the limits inherent in the test methods currently used for these materials, Professor Patrizio Antici<\/a> and his colleagues have proposed a ground-breaking new solution: using laser-accelerated particles to stress test materials subject to harsh conditions. Recently published in the journal Nature Communications<\/em>, his method <\/a>holds promise for a number of applications.<\/strong><\/p>\n\n\n\n

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Photo : Chris Bolin, Wikimedia Commons<\/em><\/figcaption><\/figure><\/div>\n\n\n\n
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In a myriad of domains characterized by exposure to high energy, materials are subjected to intense stress. No matter what the high-energy application\u2014aerospace, nuclear power plants, certain research equipment\u2014the ability of materials to withstand the physical stress imposed on them must be assessed to avoid breakage. <\/p>\n\n\n\n

As Professor Antici himself works with state-of-the-art equipment that has to be protected at all costs from premature wear and tear, he wanted to evaluate the effectiveness of laser-accelerated particles in inducing controlled stress on materials. His method was to focus a particle beam on tungsten, graphite, titanium, tantalum, and molybdenum, all materials employed in facilities using plasma or for inertial or magnetic confinement fusion. <\/p>\n\n\n\n

Currently, several methods are used to simulate wear and tear and measure the strength of these materials, but typically they provide only a partial picture, require longer protocols and are hard to model. Patrizio Antici’s high-energy experiments demonstrate that the laser-generated proton beam can reproduce damage equivalent to several months of full operation of facilities producing a harsh environment for materials. The tests are also much faster since they can be performed with more compact instruments and in a few single laser shots and allow \u2013 compared to conventional methods \u2013 to more accurately reproduce the exact operational environment to which materials are subjected.<\/p>\n\n\n\n

The innovative method, which reproduces mechanical, electrical, and optical stress on five materials, can be used to improve facilities that experience conditions warranting increased protection. <\/p>\n\n\n\n

For more information<\/strong>\u00a0: \u201cLaser-accelerated particle beams for stress testing of materials<\/a>\u201d,\u00a0Nature Communications<\/em>, January 25, 2018, DOI :10.1038\/s41467-017-02675-x<\/p>\n\n\n

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Confining a plasma jet can be stress-inducing\u2026 especially on the materials especially for shielding materials. Noting the limits inherent in the test methods currently used for these materials, Professor Patrizio Antici and his colleagues have proposed a ground-breaking new solution: using laser-accelerated particles to stress test materials subject to harsh conditions. Recently published in the journal Nature Communications, his method holds promise for a number of applications.<\/p>\n","protected":false},"author":1,"featured_media":18270,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[688],"tags":[],"sectors":[731],"class_list":["post-18269","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-innover-a-linrs-en","sectors-materiaux-en"],"acf":[],"yoast_head":"\nNew method to replicate harsh conditions for materials | INRS<\/title>\n<meta name=\"description\" content=\"Confining a plasma jet can be stress-inducing\u2026 especially on the materials especially for shielding materials. 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