{"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":"

Coarse raw materials and fine SiC powders are formed, under the protection of high temperature and certain pressure,they are recrystallized by vacuum sintering,by evaporation of fine SiC powders and coagulation in coarse SiC particles.,then we get recrystallized silicon carbide.Because of its high purity (SIC > 99.5%) and no intermediate bonding phase, it has excellent high […]<\/p>\n","protected":false},"author":1,"featured_media":393,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"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}]}}