{"id":404,"date":"2021-04-05T19:06:46","date_gmt":"2021-04-05T11:06:46","guid":{"rendered":"http:\/\/siliconcarbide.net\/?p=404"},"modified":"2023-09-16T19:17:00","modified_gmt":"2023-09-16T11:17:00","slug":"praskovy-karbid-kremiku","status":"publish","type":"post","link":"https:\/\/siliconcarbide.net\/cs\/silicon-carbide-powder\/","title":{"rendered":"pr\u00e1\u0161kov\u00fd karbid k\u0159em\u00edku"},"content":{"rendered":"

Karbid k\u0159em\u00edku pr\u00e1\u0161ek je tak\u00e9 zn\u00e1m\u00fd jako smirkov\u00fd, produkty jsou hexagon\u00e1ln\u00ed krystaly, specifick\u00e1 hmotnost 3,20-3,25, Mohsova tvrdost 9,2, mikrotvrdost 2840-3320kg\/mm2. karbid k\u0159em\u00edku m\u00e1 vlastnosti stabiln\u00ed chemick\u00e9 vlastnosti, vysok\u00e1 tepeln\u00e1 vodivost, mal\u00fd koeficient tepeln\u00e9 rozta\u017enosti a dobr\u00e1 odolnost proti ot\u011bru.Karbid k\u0159em\u00edku pr\u00e1\u0161ek m\u00e1 mnoho hlavn\u00edch oblast\u00ed pou\u017eit\u00ed, jako je funk\u010dn\u00ed keramika, struktur\u00e1ln\u00ed keramika, pokro\u010dil\u00e9 \u017e\u00e1ruvzdorn\u00e9 materi\u00e1ly, brusiva a metalurgick\u00e9 a tak d\u00e1le.<\/p>\n

(1) Abrazivo<\/p>\n

pr\u00e1\u0161kov\u00fd karbid k\u0159em\u00edku lze pou\u017e\u00edt jako brusn\u00e9 m\u00e9dium nebo pomocn\u00fd materi\u00e1l pro brou\u0161en\u00ed a zpracov\u00e1n\u00ed skla, k\u0159emenn\u00e9ho krystalu, hranolov\u00e9ho krystalu, keramiky, kamene, litiny a n\u011bkter\u00fdch ne\u017eelezn\u00fdch kov\u016f, cementovan\u00e9ho karbidu, slitin titanu, brusn\u00fdch kotou\u010d\u016f na \u0159ezn\u00e9 n\u00e1stroje z rychlo\u0159ezn\u00e9 oceli atd.<\/p>\n

(2) Hutn\u00ed a vysokoteplotn\u00ed \u017e\u00e1ruvzdorn\u00e9 materi\u00e1ly<\/p>\n

Ocel\u00e1\u0159sk\u00e9 aplikace deoxid\u00e1toru karbidu k\u0159em\u00edku a p\u011bnov\u00fdch keramick\u00fdch filtr\u016f, p\u011bnov\u00e9 keramick\u00e9 filtry z karbidu k\u0159em\u00edku s vynikaj\u00edc\u00ed pevnost\u00ed a odolnost\u00ed proti n\u00e1razu p\u0159i vysok\u00fdch teplot\u00e1ch a chemick\u00e9 korozi.Pou\u017eit\u00ed teploty nad 1380 stup\u0148\u016f Celsia, \u0161iroce pou\u017e\u00edvan\u00e9 p\u0159i filtraci roztaven\u00fdch kov\u016f, vysokoteplotn\u00ed \u00faprav\u011b spalin, nosi\u010d\u00edch katalyz\u00e1tor\u016f, pevn\u00fdch v\u00fdm\u011bn\u00edc\u00edch tepla a speci\u00e1ln\u00edch plnivech a dal\u0161\u00edch oblastech.<\/p>\n

(3) Strukturn\u00ed\/funk\u010dn\u00ed keramick\u00e9 materi\u00e1ly (reak\u010dn\u00ed sp\u00e9k\u00e1n\u00ed\/beztlakov\u00e9 sp\u00e9k\u00e1n\u00ed)<\/p>\n

Ide\u00e1ln\u00ed materi\u00e1l pro p\u0159\u00edpravu karbidu k\u0159em\u00edku, jako jsou trubky odoln\u00e9 proti opot\u0159eben\u00ed, ob\u011b\u017en\u00e1 kola, komory \u010derpadel, cyklony, oblo\u017een\u00ed rudn\u00fdch kbel\u00edk\u016f, s \u017eivotnost\u00ed 5-20kr\u00e1t vy\u0161\u0161\u00ed ne\u017e u litiny nebo pry\u017ee, ale tak\u00e9 jeden z ide\u00e1ln\u00edch materi\u00e1l\u016f pro leteckou dr\u00e1hu.Beztlakov\u00e9 slinov\u00e1n\u00ed karbidu k\u0159em\u00edku lze pou\u017e\u00edt pro nepr\u016fst\u0159eln\u00e9 keramick\u00e9 desky, keramick\u00e9 plechy a keramick\u00e9 vlo\u017eky.<\/p>\n

\"pr\u00e1\u0161kov\u00fd<\/a><\/p>\n

\"sic<\/a><\/p>\n

\"\u010dern\u00fd<\/a><\/p>\n

\"pr\u00e1\u0161kov\u00fd<\/a><\/p>\n

\"pr\u00e1\u0161kov\u00fd<\/a><\/p>\n

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

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

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

\"pr\u00e1\u0161ek<\/a><\/p>\n

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

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

Pr\u00e1\u0161ek z karbidu k\u0159em\u00edku je tak\u00e9 zn\u00e1m\u00fd jako smirko; jedn\u00e1 se o hexagon\u00e1ln\u00ed krystaly s m\u011brnou hmotnost\u00ed 3,20\u20133,25, tvrdost\u00ed podle Mohse 9,2 a mikrotvrdost\u00ed 2840\u20133320 kg\/mm\u00b2. Karbid k\u0159em\u00edku se vyzna\u010duje stabiln\u00edmi chemick\u00fdmi vlastnostmi, vysokou tepelnou vodivost\u00ed, n\u00edzk\u00fdm koeficientem tepeln\u00e9 rozta\u017enosti a dobrou odolnost\u00ed proti od\u011bru. Pr\u00e1\u0161ek z karbidu k\u0159em\u00edku m\u00e1 mnoho v\u00fdznamn\u00fdch oblast\u00ed pou\u017eit\u00ed, jako jsou funk\u010dn\u00ed keramika, konstruk\u010dn\u00ed keramika, modern\u00ed \u017e\u00e1ruvzdorn\u00e9 materi\u00e1ly, brusiva\u2026 <\/p>","protected":false},"author":1,"featured_media":535,"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":[24],"tags":[],"class_list":["post-404","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-silicon-carbide-powder"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/siliconcarbide.net\/cs\/wp-json\/wp\/v2\/posts\/404","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=404"}],"version-history":[{"count":10,"href":"https:\/\/siliconcarbide.net\/cs\/wp-json\/wp\/v2\/posts\/404\/revisions"}],"predecessor-version":[{"id":584,"href":"https:\/\/siliconcarbide.net\/cs\/wp-json\/wp\/v2\/posts\/404\/revisions\/584"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/siliconcarbide.net\/cs\/wp-json\/wp\/v2\/media\/535"}],"wp:attachment":[{"href":"https:\/\/siliconcarbide.net\/cs\/wp-json\/wp\/v2\/media?parent=404"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/siliconcarbide.net\/cs\/wp-json\/wp\/v2\/categories?post=404"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/siliconcarbide.net\/cs\/wp-json\/wp\/v2\/tags?post=404"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}