{"id":130365,"date":"2022-12-18T22:09:00","date_gmt":"2022-12-18T20:09:00","guid":{"rendered":"https:\/\/life.karpat.in.ua\/?p=130365"},"modified":"2022-12-18T13:32:21","modified_gmt":"2022-12-18T11:32:21","slug":"a-tudosok-megalkottak-a-fold-legerosebb-anyagat","status":"publish","type":"post","link":"https:\/\/life.karpat.in.ua\/?p=130365&lang=hu","title":{"rendered":"A tud\u00f3sok megalkott\u00e1k a F\u00f6ld leger\u0151sebb anyag\u00e1t"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Kr\u00f3mb\u00f3l, kobaltb\u00f3l \u00e9s nikkelb\u0151l \u00e1ll\u00f3 f\u00e9m\u00f6tv\u00f6zetet siker\u00fclt l\u00e9trehozniuk amerikai tud\u00f3soknak, ez a vil\u00e1g legkem\u00e9nyebb anyaga. Min\u00e9l jobban leh\u0171tik, ann\u00e1l er\u0151sebb.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"960\" height=\"540\" src=\"https:\/\/life.karpat.in.ua\/wp-content\/uploads\/2022\/12\/splav-960x540-1.jpg\" alt=\"\" class=\"wp-image-130151\" srcset=\"https:\/\/life.karpat.in.ua\/wp-content\/uploads\/2022\/12\/splav-960x540-1.jpg 960w, https:\/\/life.karpat.in.ua\/wp-content\/uploads\/2022\/12\/splav-960x540-1-300x169.jpg 300w, https:\/\/life.karpat.in.ua\/wp-content\/uploads\/2022\/12\/splav-960x540-1-768x432.jpg 768w\" sizes=\"auto, (max-width: 960px) 100vw, 960px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">A Tennessee-i Egyetem kutat\u00f3i egy olyan \u00faj \u00f6tv\u00f6zetet fedeztek fel, ami egyszerre rendelkezik a k\u00e9t legfontosabb tulajdons\u00e1ggal. A kr\u00f3m, kobalt \u00e9s nikkel f\u00e9m\u00f6tv\u00f6zete (CrCoNi) egyszerre rendk\u00edv\u00fcl er\u0151s \u00e9s rugalmas, vagyis kiv\u00e1l\u00f3an alak\u00edthat\u00f3, de ellen\u00e1ll a maradand\u00f3 deform\u00e1ci\u00f3nak. A\u00a0<a rel=\"noreferrer noopener\" href=\"https:\/\/www.science.org\/doi\/10.1126\/science.abp8070\" target=\"_blank\">Science<\/a>-ben\u00a0k\u00f6z\u00f6lt publik\u00e1ci\u00f3 szerint a CrCoNi jelenleg a legkem\u00e9nyebb anyag a F\u00f6ld\u00f6n.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Az\u00a0<a rel=\"noreferrer noopener\" href=\"https:\/\/www.iflscience.com\/meet-the-latest-toughest-material-on-earth-66597\" target=\"_blank\">IFLScience<\/a>\u00a0az \u00edrja, az anyag az \u00fagynevezett nagy entr\u00f3pi\u00e1j\u00fa \u00f6tv\u00f6zetek (HEA) k\u00f6z\u00e9 sorolhat\u00f3, vagyis a benne l\u00e9v\u0151 elemek ar\u00e1nya nagyj\u00e1b\u00f3l azonos. A HEA-k \u00e1ltal\u00e1ban nagy sz\u00edv\u00f3s\u00e1ggal rendelkeznek, ugyanakkor neh\u00e9z volt \u0151ket sz\u00e9ls\u0151s\u00e9ges k\u00f6r\u00fclm\u00e9nyek k\u00f6z\u00f6tt tesztelni. M\u00e1ra azonban ez lehet\u0151v\u00e9 v\u00e1lt, a kutat\u00f3k pedig azt tal\u00e1lt\u00e1k, hogy az anyag ann\u00e1l kem\u00e9nyebb\u00e9 v\u00e1lt, min\u00e9l hidegebb lett.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Easo George, a kutat\u00e1s t\u00e1rsvezet\u0151je szerint az \u00e1ltaluk megalkotott anyag kem\u00e9nys\u00e9ge -253 Celsius-fokon \u2013 vagyis nagyj\u00e1b\u00f3l a foly\u00e9kony h\u00e9lium h\u0151m\u00e9rs\u00e9klet\u00e9n \u2013 el\u00e9ri az 500 megapascalos \u00e9rt\u00e9ket. \u00d6sszehasonl\u00edt\u00e1sk\u00e9nt: a szil\u00edcium ugyanezen h\u0151m\u00e9r\u00e9kleten 1-es \u00e9rt\u00e9ket mutat, a rep\u00fcl\u0151g\u00e9pek alum\u00edniumv\u00e1za 35-\u00f6set, de m\u00e9g a legjobb ac\u00e9l pedig is csak sz\u00e1zasat.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A kutat\u00f3k jelenleg azt vizsg\u00e1lj\u00e1k, milyen ter\u00fcleten lehetne alkalmazni az \u00faj anyagot. Az egyel\u0151re nagyon magas el\u0151\u00e1ll\u00edt\u00e1si k\u00f6lts\u00e9gei miatt most m\u00e9g f\u0151leg a m\u00e9ly\u0171rrel kapcsolatos kutat\u00e1sok t\u0171nnek \u00e9letszer\u0171nek.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Kr\u00f3mb\u00f3l, kobaltb\u00f3l \u00e9s nikkelb\u0151l \u00e1ll\u00f3 f\u00e9m\u00f6tv\u00f6zetet siker\u00fclt l\u00e9trehozniuk amerikai tud\u00f3soknak, ez a vil\u00e1g legkem\u00e9nyebb anyaga. Min\u00e9l jobban leh\u0171tik, ann\u00e1l er\u0151sebb.<\/p>\n","protected":false},"author":5,"featured_media":130151,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[41,49,598,39],"tags":[27452],"class_list":["post-130365","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cikkek","category-hirek","category-tudomany","category-vilag","tag-tudomany"],"_links":{"self":[{"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=\/wp\/v2\/posts\/130365","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=130365"}],"version-history":[{"count":1,"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=\/wp\/v2\/posts\/130365\/revisions"}],"predecessor-version":[{"id":130367,"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=\/wp\/v2\/posts\/130365\/revisions\/130367"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=\/wp\/v2\/media\/130151"}],"wp:attachment":[{"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=130365"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=130365"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=130365"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}