{"id":245646,"date":"2026-10-19T22:45:29","date_gmt":"2026-10-20T03:45:29","guid":{"rendered":"https:\/\/lifeboat.com\/blog\/2026\/10\/scientists-discover-metals-that-refuse-to-crack-at-an-astonishing-424f"},"modified":"2026-10-19T22:45:29","modified_gmt":"2026-10-20T03:45:29","slug":"scientists-discover-metals-that-refuse-to-crack-at-an-astonishing-424f","status":"publish","type":"post","link":"https:\/\/lifeboat.com\/blog\/2026\/10\/scientists-discover-metals-that-refuse-to-crack-at-an-astonishing-424f","title":{"rendered":"Scientists Discover Metals That Refuse To Crack at an Astonishing \u2014424\u00b0F"},"content":{"rendered":"<p><a class=\"aligncenter blog-photo\" href=\"https:\/\/lifeboat.com\/blog.images\/scientists-discover-metals-that-refuse-to-crack-at-an-astonishing-424f2.jpg\"><\/a><\/p>\n<p><strong>Two experimental alloys resisted cracking at \u2212424\u00b0F by forming new crystal defects, offering a possible route to tougher metals for extreme cold.<\/strong><\/p>\n<p>Most metals become stronger as they cool, but some also become more vulnerable to breaking. Iron, tungsten, and chromium belong to a class called body-centered cubic metals, whose atomic arrangement can make them increasingly brittle as temperatures fall. A crack that the metal might otherwise accommodate by bending or stretching can instead cause a fracture.<\/p>\n<p>That ability to deform depends heavily on the movement of dislocations, line-like defects in the metal\u2019s crystal structure. At low temperatures, these defects become harder to move, limiting how much the material can deform to relieve the forces building up around a crack.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Two experimental alloys resisted cracking at \u2212424\u00b0F by forming new crystal defects, offering a possible route to tougher metals for extreme cold. Most metals become stronger as they cool, but some also become more vulnerable to breaking. Iron, tungsten, and chromium belong to a class called body-centered cubic metals, whose atomic arrangement can make them [\u2026]<\/p>\n","protected":false},"author":427,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1635],"tags":[],"class_list":["post-245646","post","type-post","status-publish","format-standard","hentry","category-materials"],"_links":{"self":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/245646","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/users\/427"}],"replies":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/comments?post=245646"}],"version-history":[{"count":0,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/245646\/revisions"}],"wp:attachment":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/media?parent=245646"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/categories?post=245646"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/tags?post=245646"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}