{"id":390,"date":"2019-09-27T17:50:10","date_gmt":"2019-09-27T09:50:10","guid":{"rendered":"http:\/\/siliconcarbide.net\/?p=390"},"modified":"2022-07-08T20:57:46","modified_gmt":"2022-07-08T12:57:46","slug":"rekrystalizovany-karbid-kremiku","status":"publish","type":"post","link":"https:\/\/siliconcarbide.net\/cs\/recrystallized-silicon-carbide\/","title":{"rendered":"rekrystalizovan\u00fd karbid k\u0159em\u00edku"},"content":{"rendered":"

Hrub\u00e9 suroviny a jemn\u00e9 pr\u00e1\u0161ky SiC se tvo\u0159\u00ed pod ochranou vysok\u00e9 teploty a ur\u010dit\u00e9ho tlaku, rekrystalizuj\u00ed vakuov\u00fdm sp\u00e9k\u00e1n\u00edm, odpa\u0159ov\u00e1n\u00edm jemn\u00fdch pr\u00e1\u0161k\u016f SiC a koagulac\u00ed v hrub\u00fdch \u010d\u00e1stic\u00edch SiC,D\u00edky sv\u00e9 vysok\u00e9 \u010distot\u011b (SIC > 99,5%) a absenci meziproduktov\u00e9 vazebn\u00e9 f\u00e1ze m\u00e1 vynikaj\u00edc\u00ed vysokoteplotn\u00ed mechanick\u00e9 vlastnosti a maxim\u00e1ln\u00ed provozn\u00ed teplota m\u016f\u017ee dos\u00e1hnout 1700 C. Rekrystalizovan\u00fd karbid k\u0159em\u00edku m\u00e1 dobrou odolnost v\u016f\u010di vysok\u00fdm teplot\u00e1m v keramick\u00fdch v\u00fdrobc\u00edch a zvy\u0161uje se s rostouc\u00ed teplotou. V podstat\u011b se nesmr\u0161\u0165uje. Rekrystalizovan\u00fd karbid k\u0159em\u00edku m\u00e1 z\u00e1rove\u0148 dobrou tepelnou vodivost, odolnost proti teplotn\u00edm \u0161ok\u016fm, odolnost proti oxidaci a acidobazick\u00e9 korozi. Proto lze rekrystalizovan\u00fd sic vyrobit do r\u016fzn\u00fdch geometrick\u00fdch tvar\u016f podle r\u016fzn\u00fdch pou\u017eit\u00ed, zejm\u00e9na v podm\u00ednk\u00e1ch vysok\u00fdch teplot.<\/p>\n

rekrystalizovan\u00fd sic je vhodn\u00fd pro pou\u017eit\u00ed jako n\u00e1bytek do pec\u00ed a p\u0159\u00edslu\u0161enstv\u00ed pec\u00ed v keramice, \u017e\u00e1ruvzdorn\u00fdch materi\u00e1lech, elektrokeramice, elektronice a dal\u0161\u00edch odv\u011btv\u00edch. Jeho pozoruhodn\u00fdmi vlastnostmi jsou rozm\u011brov\u00e1 stabilita a \u00fanosnost p\u0159i vysok\u00fdch teplot\u00e1ch a dobr\u00fd \u00fa\u010dinek na \u00fasporu energie. z rekrystalizovan\u00e9ho sic lze vyr\u00e1b\u011bt ty\u010de, dut\u00e9 nosn\u00edky, p\u0159\u00edst\u0159e\u0161kov\u00e9 desky a d\u00edly speci\u00e1ln\u00edch tvar\u016f. Halsic r m\u00e1 tak\u00e9 dobrou antioxida\u010dn\u00ed a protierozn\u00ed schopnost, vysokou tvrdost a odolnost proti opot\u0159eben\u00ed. Halsic r lze pou\u017e\u00edt v metalurgii, stroj\u00edrenstv\u00ed, chemick\u00e9m pr\u016fmyslu a vojensk\u00e9m pr\u016fmyslu.<\/p>\n

\"rekrystalizovan\u00fd<\/a><\/p>\n

\"rekrystalizovan\u00fd<\/a><\/p>\n

\"rekrystalizovan\u00fd<\/a><\/p>","protected":false},"excerpt":{"rendered":"

Hrub\u00e9 suroviny a jemn\u00e9 pr\u00e1\u0161ky SiC jsou tvo\u0159eny pod ochranou vysok\u00e9 teploty a ur\u010dit\u00e9ho tlaku, jsou rekrystalizov\u00e1ny vakuov\u00fdm sp\u00e9k\u00e1n\u00edm, odpa\u0159ov\u00e1n\u00edm jemn\u00fdch pr\u00e1\u0161k\u016f SiC a koagulac\u00ed v hrub\u00fdch \u010d\u00e1stic\u00edch SiC, pak z\u00edsk\u00e1me rekrystalizovan\u00fd karbid k\u0159em\u00edku.Vzhledem k jeho vysok\u00e9 \u010distot\u011b (SIC > 99,5%) a \u017e\u00e1dn\u00e9 p\u0159echodn\u00e9 vazebn\u00e9 f\u00e1zi m\u00e1 vynikaj\u00edc\u00ed vysokou... <\/p>","protected":false},"author":1,"featured_media":393,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"neve_meta_sidebar":"","neve_meta_container":"","neve_meta_enable_content_width":"","neve_meta_content_width":0,"neve_meta_title_alignment":"","neve_meta_author_avatar":"","neve_post_elements_order":"","neve_meta_disable_header":"","neve_meta_disable_footer":"","neve_meta_disable_title":"","ngg_post_thumbnail":0,"footnotes":""},"categories":[23],"tags":[],"class_list":["post-390","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-recrystallized-silicon-carbide"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/siliconcarbide.net\/cs\/wp-json\/wp\/v2\/posts\/390","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/siliconcarbide.net\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/siliconcarbide.net\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/siliconcarbide.net\/cs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/siliconcarbide.net\/cs\/wp-json\/wp\/v2\/comments?post=390"}],"version-history":[{"count":3,"href":"https:\/\/siliconcarbide.net\/cs\/wp-json\/wp\/v2\/posts\/390\/revisions"}],"predecessor-version":[{"id":528,"href":"https:\/\/siliconcarbide.net\/cs\/wp-json\/wp\/v2\/posts\/390\/revisions\/528"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/siliconcarbide.net\/cs\/wp-json\/wp\/v2\/media\/393"}],"wp:attachment":[{"href":"https:\/\/siliconcarbide.net\/cs\/wp-json\/wp\/v2\/media?parent=390"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/siliconcarbide.net\/cs\/wp-json\/wp\/v2\/categories?post=390"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/siliconcarbide.net\/cs\/wp-json\/wp\/v2\/tags?post=390"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}