{"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-kremika","status":"publish","type":"post","link":"https:\/\/siliconcarbide.net\/sk\/recrystallized-silicon-carbide\/","title":{"rendered":"rekry\u0161talizovan\u00fd karbid krem\u00edka"},"content":{"rendered":"<p>Hrub\u00e9 suroviny a jemn\u00e9 SiC pr\u00e1\u0161ky sa tvoria pod ochranou vysokej teploty a ur\u010dit\u00e9ho tlaku, rekry\u0161talizuj\u00fa sa v\u00e1kuov\u00fdm spekan\u00edm, odparovan\u00edm jemn\u00fdch SiC pr\u00e1\u0161kov a koagul\u00e1ciou v hrub\u00fdch \u010dasticiach SiC,V\u010faka svojej vysokej \u010distote (SIC &gt; 99,5%) a absencii medziproduktovej v\u00e4zbovej f\u00e1zy m\u00e1 vynikaj\u00face vysokoteplotn\u00e9 mechanick\u00e9 vlastnosti a maxim\u00e1lna prev\u00e1dzkov\u00e1 teplota m\u00f4\u017ee dosiahnu\u0165 1700 C. Rekry\u0161talizovan\u00fd karbid krem\u00edka m\u00e1 dobr\u00fa odolnos\u0165 vo\u010di vysok\u00fdm teplot\u00e1m v keramick\u00fdch v\u00fdrobkoch a zvy\u0161uje sa so zvy\u0161ovan\u00edm teploty. V podstate sa nezmr\u0161\u0165uje. Rekry\u0161talizovan\u00fd karbid krem\u00edka m\u00e1 z\u00e1rove\u0148 dobr\u00fa tepeln\u00fa vodivos\u0165, odolnos\u0165 vo\u010di tepeln\u00fdm \u0161okom, odolnos\u0165 vo\u010di oxid\u00e1cii a acidob\u00e1zickej kor\u00f3zii. Preto sa rekry\u0161talizovan\u00fd sic m\u00f4\u017ee vyr\u00e1ba\u0165 do r\u00f4znych geometrick\u00fdch tvarov pod\u013ea r\u00f4znych pou\u017eit\u00ed, najm\u00e4 v podmienkach vysok\u00fdch tepl\u00f4t.<\/p>\n<p>rekry\u0161talizovan\u00fd sik je vhodn\u00fd na pou\u017eitie ako n\u00e1bytok do pec\u00ed a pr\u00edslu\u0161enstvo pec\u00ed v keramike, \u017eiaruvzdorn\u00fdch materi\u00e1loch, elektrotechnickom, keramickom, elektronickom a inom priemysle. Jeho pozoruhodn\u00fdmi vlastnos\u0165ami s\u00fa rozmerov\u00e1 stabilita, vysok\u00e1 teplotn\u00e1 \u00fanosnos\u0165 a dobr\u00fd \u00fa\u010dinok na \u00fasporu energie. z rekry\u0161talizovan\u00e9ho sic sa daj\u00fa vyr\u00e1ba\u0165 ty\u010de, dut\u00e9 nosn\u00edky, pr\u00edstre\u0161n\u00e9 dosky a \u0161peci\u00e1lne tvarovan\u00e9 diely. Halsic r m\u00e1 tie\u017e dobr\u00fa antioxida\u010dn\u00fa a protier\u00f3znu schopnos\u0165, vysok\u00fa tvrdos\u0165 a odolnos\u0165 proti opotrebovaniu. Halsic r sa m\u00f4\u017ee pou\u017e\u00edva\u0165 v metalurgii, stroj\u00e1rstve, chemickom priemysle a vojenskom priemysle.<\/p>\n<p><a href=\"http:\/\/siliconcarbide.net\/wp-content\/uploads\/2019\/09\/recrystallized-silicon-carbide.jpg\"><img decoding=\"async\" class=\"alignnone size-full wp-image-393 lazyload\" data-src=\"http:\/\/siliconcarbide.net\/wp-content\/uploads\/2019\/09\/recrystallized-silicon-carbide.jpg\" alt=\"rekry\u0161talizovan\u00fd karbid krem\u00edka\" width=\"600\" height=\"450\" data-srcset=\"https:\/\/siliconcarbide.net\/wp-content\/uploads\/2019\/09\/recrystallized-silicon-carbide.jpg 600w, https:\/\/siliconcarbide.net\/wp-content\/uploads\/2019\/09\/recrystallized-silicon-carbide-300x225.jpg 300w\" data-sizes=\"(max-width: 600px) 100vw, 600px\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" style=\"--smush-placeholder-width: 600px; --smush-placeholder-aspect-ratio: 600\/450;\" \/><\/a><\/p>\n<p><a href=\"http:\/\/siliconcarbide.net\/wp-content\/uploads\/2019\/09\/recrystallized-sic.jpg\"><img decoding=\"async\" class=\"size-full wp-image-527 lazyload\" data-src=\"http:\/\/siliconcarbide.net\/wp-content\/uploads\/2019\/09\/recrystallized-sic.jpg\" alt=\"rekry\u0161talizovan\u00e9 sic\" width=\"600\" height=\"799\" data-srcset=\"https:\/\/siliconcarbide.net\/wp-content\/uploads\/2019\/09\/recrystallized-sic.jpg 600w, https:\/\/siliconcarbide.net\/wp-content\/uploads\/2019\/09\/recrystallized-sic-225x300.jpg 225w\" data-sizes=\"(max-width: 600px) 100vw, 600px\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" style=\"--smush-placeholder-width: 600px; --smush-placeholder-aspect-ratio: 600\/799;\" \/><\/a><\/p>\n<p><a href=\"http:\/\/siliconcarbide.net\/wp-content\/uploads\/2019\/09\/recrystallized-silicon-carbide-1.jpg\"><img decoding=\"async\" class=\"size-full wp-image-524 lazyload\" data-src=\"http:\/\/siliconcarbide.net\/wp-content\/uploads\/2019\/09\/recrystallized-silicon-carbide-1.jpg\" alt=\"rekry\u0161talizovan\u00fd karbid krem\u00edka\" width=\"1000\" height=\"750\" data-srcset=\"https:\/\/siliconcarbide.net\/wp-content\/uploads\/2019\/09\/recrystallized-silicon-carbide-1.jpg 1000w, https:\/\/siliconcarbide.net\/wp-content\/uploads\/2019\/09\/recrystallized-silicon-carbide-1-300x225.jpg 300w, https:\/\/siliconcarbide.net\/wp-content\/uploads\/2019\/09\/recrystallized-silicon-carbide-1-768x576.jpg 768w\" data-sizes=\"(max-width: 1000px) 100vw, 1000px\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" style=\"--smush-placeholder-width: 1000px; --smush-placeholder-aspect-ratio: 1000\/750;\" \/><\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>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 &gt; 99.5%) and no intermediate bonding phase, it has excellent high [&hellip;]<\/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\/sk\/wp-json\/wp\/v2\/posts\/390","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/siliconcarbide.net\/sk\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/siliconcarbide.net\/sk\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/siliconcarbide.net\/sk\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/siliconcarbide.net\/sk\/wp-json\/wp\/v2\/comments?post=390"}],"version-history":[{"count":3,"href":"https:\/\/siliconcarbide.net\/sk\/wp-json\/wp\/v2\/posts\/390\/revisions"}],"predecessor-version":[{"id":528,"href":"https:\/\/siliconcarbide.net\/sk\/wp-json\/wp\/v2\/posts\/390\/revisions\/528"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/siliconcarbide.net\/sk\/wp-json\/wp\/v2\/media\/393"}],"wp:attachment":[{"href":"https:\/\/siliconcarbide.net\/sk\/wp-json\/wp\/v2\/media?parent=390"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/siliconcarbide.net\/sk\/wp-json\/wp\/v2\/categories?post=390"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/siliconcarbide.net\/sk\/wp-json\/wp\/v2\/tags?post=390"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}