A\u00f0 losa undraver\u00f0a eiginleika k\u00edsilkarb\u00ed\u00f0s (SiC).<\/p>\n
Hr\u00e1efni sem notu\u00f0 eru vi\u00f0 framlei\u00f0slu \u00e1 k\u00edsilkarb\u00ed\u00f0i gangast undir strangar hreinsunarferla og eru s\u00ed\u00f0an mala\u00f0 \u00ed f\u00ednan duft til frekari vinnslu.<\/p>\n
Svartur SiC er v\u00ed\u00f0a nota\u00f0ur \u00ed sl\u00edpiefnaforritum, svo sem \u00ed sl\u00edpihj\u00f3lum og skur\u00f0arpl\u00f6tum, til a\u00f0 tryggja h\u00e1a afk\u00f6st og langl\u00edfi. Ennfremur gagnast \u00fea\u00f0 b\u00e6\u00f0i m\u00e1lmvinnslu- og j\u00e1rnvinnsluvinnslui\u00f0na\u00f0i sem afk\u00f3lunar- og vi\u00f0b\u00f3tarefni.<\/p>\n
K\u00edsilkarb\u00ed\u00f0 er \u00feekkt fyrir h\u00f6rku s\u00edna, sem gerir \u00fea\u00f0 kj\u00f6rinn \u00ed notkun \u00fear sem \u00feol er krafist. Enn fremur gera styrkur \u00feess og slit\u00feol honum kleift a\u00f0 vi\u00f0halda langt\u00edmaframmist\u00f6\u00f0u me\u00f0 minni vi\u00f0halds\u00fe\u00f6rf en \u00f6nnur efni.<\/p>\n
Hitaeinkennileiki er \u00f6nnur fram\u00farskarandi eiginleiki sem gerir \u00fev\u00ed kleift a\u00f0 dreifa hita hratt og n\u00e1 skj\u00f3tum og \u00e1hrifar\u00edkum ni\u00f0urst\u00f6\u00f0um. \u00cd samspili vi\u00f0 mikla hitastig\u00feol og l\u00e1gan \u00fat\u00feenslukoeff\u00edsient hj\u00e1lpar \u00feessi eiginleiki a\u00f0 l\u00e1gmarka st\u00e6r\u00f0arbreytingar vi\u00f0 \u00f6fgahitastig og tryggir jafnframt bur\u00f0ar\u00feol \u00edhluta.<\/p>\n
Svart k\u00edsilkarb\u00ed\u00f0 f\u00e6st \u00ed m\u00f6rgum sl\u00edpigr\u00f3\u00f0ust\u00e6r\u00f0um og er n\u00e6gilega fj\u00f6lh\u00e6ft fyrir margv\u00edslegar framlei\u00f0slua\u00f0fer\u00f0ir, \u00fear \u00e1 me\u00f0al sl\u00edpun, m\u00f6lun og m\u00f3tun keram\u00edskra og glerefna sem notu\u00f0 eru \u00ed ofnum, ofnum og hita\u00feolnum efnum \u2013 sem og m\u00e1lma eins og \u00e1l og t\u00edtan \u2013 \u00ed ofnum, ofnum og hita\u00feolnum efnum sem og \u00ed n\u00e1kv\u00e6mnislegum sl\u00edpunar- og p\u00fassunarferlum. Auk \u00feess er framlei\u00f0sla \u00feess v\u00ed\u00f0a notu\u00f0 sem bindiefni \u00ed bindiskrammi og sem h\u00fa\u00f0efni \u00e1 sl\u00edpiefnum; auk \u00feess er \u00fea\u00f0 v\u00ed\u00f0a a\u00f0 finna \u00ed i\u00f0na\u00f0arferlum fyrir n\u00e1kv\u00e6mnisfl\u00f6tun og sl\u00edpun sem hluti af sl\u00edkum a\u00f0ger\u00f0um.<\/p>\n
Vegna efnafr\u00e6\u00f0ilegrar st\u00f6\u00f0ugleika og h\u00e1u bruna\u00feols hefur k\u00edsilk\u00edsilkarb\u00ed\u00f0 lengi veri\u00f0 nota\u00f0 sem i\u00f0na\u00f0ar efni vi\u00f0 framlei\u00f0slu sl\u00edpiefna sem og h\u00e1frammist\u00f6\u00f0u keram\u00edks. Vegna styrks s\u00edns vi\u00f0 h\u00e1an hita og \u00e1berandi raflei\u00f0ni er k\u00edsilk\u00edsilkarb\u00ed\u00f0 einnig nota\u00f0 sem stu\u00f0ningur undir fl\u00f6skur (wafer tray supports) og sem paddla \u00ed h\u00e1lflei\u00f0arofnum \u2013 ekki s\u00edst sem vi\u00f0n\u00e1mshitunar\u00fe\u00e6ttir og hitastigsbreytilegir vi\u00f0n\u00e1ms\u00fe\u00e6ttir (thermistors).<\/p>\n
K\u00edsilkarb\u00ed\u00f0duft er framleitt me\u00f0 orkufreku Acheson-ferlinu, \u00fear sem k\u00edsilsandur og kolefnisuppspretta eru hitu\u00f0 vi\u00f0 h\u00e1an hita til a\u00f0 \u00feau hvarfast efnafr\u00e6\u00f0ilega og mynda kristalla\u00f0a k\u00edsilkarb\u00ed\u00f0kristalla, anna\u00f0hvort gr\u00e6nt e\u00f0a svart SiC (svart SiC er almennt me\u00f0 l\u00e6gri hreinleika).<\/p>\n
Efnauf\u00feenslub\u00fa\u00f0un er \u00f6nnur \u00e1rangursr\u00edk a\u00f0fer\u00f0 til a\u00f0 r\u00e6kta kub\u00edskt SiC og er notu\u00f0 b\u00e6\u00f0i af framlei\u00f0endum og h\u00e1lflei\u00f0ai\u00f0na\u00f0inum. \u00deessi t\u00e6kni framlei\u00f0ir h\u00e1g\u00e6\u00f0a einkjarna kristalla af 6H-SiC sem bj\u00f3\u00f0a upp \u00e1 fram\u00farskarandi hita\u00feol og efnafr\u00e6\u00f0ilega st\u00f6\u00f0ugleika.<\/p>\n
K\u00edsilkarb\u00ed\u00f0 (SiC) b\u00fdr yfir fram\u00farskarandi varmalei\u00f0ni mi\u00f0a\u00f0 vi\u00f0 m\u00e1lma, sem hj\u00e1lpar \u00fev\u00ed a\u00f0 vi\u00f0halda styrk, st\u00f6\u00f0ugleika og efna\u00feoli jafnvel vi\u00f0 h\u00e1hitaa\u00f0st\u00e6\u00f0ur. Ennfremur veitir SiC fram\u00farskarandi slit\u00feol gegn sliti.<\/p>\n
SiC-framlei\u00f0sla krefst verulegrar orku. Acheson-ferli\u00f0, sem venjulega er nota\u00f0 vi\u00f0 framlei\u00f0sluna, er orkufrelt. Silis og k\u00f3ki er blanda\u00f0 saman \u00e1\u00f0ur en \u00feau eru hitu\u00f0 upp \u00ed h\u00e1um hita til efnafr\u00e6\u00f0ilegrar vi\u00f0brag\u00f0s sem framlei\u00f0ir k\u00edsilkarb\u00ed\u00f0kristalla, sem s\u00ed\u00f0an er h\u00e6gt a\u00f0 mala ni\u00f0ur \u00ed \u00fdmsar ger\u00f0ir og st\u00e6r\u00f0ir til a\u00f0 uppfylla kr\u00f6fur i\u00f0na\u00f0arins.<\/p>\n
Gr\u00e6nt k\u00edsilkarb\u00ed\u00f0duft er v\u00ed\u00f0a nota\u00f0 \u00ed sl\u00edpai\u00f0na\u00f0inum \u00ed skur\u00f0ar- og sl\u00edpit\u00f3l sem \u00feurfa a\u00f0 vera h\u00f6r\u00f0 en samt endingarg\u00f3\u00f0, en eiginleikar \u00feess gera \u00fea\u00f0 vins\u00e6lt sem vi\u00f0b\u00f3tarefni \u00ed h\u00e1frammist\u00f6\u00f0ukeramik, \u00fear sem \u00fea\u00f0 eykur styrk og hita\u00feol, auk \u00feess sem \u00fea\u00f0 er nota\u00f0 til stu\u00f0nings undir og til a\u00f0 sm\u00ed\u00f0a paddla fyrir wafer-bakka \u00ed ofnum \u00ed h\u00e1lflei\u00f0ai\u00f0na\u00f0i. Ennfremur gera raflei\u00f0nueiginleikar \u00feess \u00fea\u00f0 fullkomi\u00f0 til notkunar sem termistorar og varistorar vegna tilt\u00f6lulega hreinna kornamarka \u00ed f\u00f6stu, brenndu SiC sem breytast ekki au\u00f0veldlega vi\u00f0 h\u00e1an hita.<\/p>\n
K\u00edsilkarb\u00ed\u00f0 (SiC), oft kalla\u00f0 karborundum, er sl\u00edpiefni sem oft er nota\u00f0 til a\u00f0 skera og sl\u00edpa h\u00f6r\u00f0 efni. Sem nau\u00f0synlegt hr\u00e1efni \u00ed framlei\u00f0slu hita\u00feolinna efna fyrir ofna, keramikofna, smeltuker og keramikpl\u00f6tur \u00ed skotvarnarvestum \u00fej\u00f3nar \u00fea\u00f0 b\u00e6\u00f0i sem sl\u00edpihaus og sl\u00edpahringur.<\/p>\n
H\u00e1 Mohs-h\u00f6rkun (13) tryggir a\u00f0 \u00fea\u00f0 \u00feoli h\u00f6gg og titring vel, sem gerir \u00fea\u00f0 hentugt til notkunar \u00ed umhverfi sem er vi\u00f0kv\u00e6mt fyrir sliti og skemmdum. Demantur og b\u00f3rkarb\u00ed\u00f0 eru \u00e1fram yfirbur\u00f0aefni \u00feegar kemur a\u00f0 h\u00f6gg\u00feoli, og veita \u00e1rei\u00f0anlega \u00fej\u00f3nustu jafnvel undir miklum \u00fer\u00fdstingi \u00fear sem slit og skemmdir eru l\u00edkleg.<\/p>\n
Svartur SiC er kj\u00f6rinn \u00ed n\u00e1kv\u00e6mum sl\u00edpunar- og p\u00fassunarverkefnum, \u00fear sem hann b\u00fd\u00f0ur upp \u00e1 fj\u00f6lbreytt \u00farval kornast\u00e6r\u00f0a sem henta n\u00e1kv\u00e6mum notkunum. \u00de\u00f6kk s\u00e9 mikilli hreinleika og \u00fer\u00f6ngu st\u00e6r\u00f0ardreifingu agna skilar hann \u00e1vallt samr\u00e6mdum yfirbor\u00f0s\u00e1fer\u00f0um. \u00deegar hann er l\u00edmdur \u00e1 h\u00fa\u00f0a\u00f0a sl\u00edpigrunn, svo sem sandpapp\u00edr e\u00f0a kl\u00fat, ver\u00f0ur hann \u00e1hrifar\u00edkur sl\u00edpiblokk, sl\u00edpibl\u00f6\u00f0 e\u00f0a svamp.<\/p>","protected":false},"excerpt":{"rendered":"
K\u00edsilkarb\u00ed\u00f0duft sem byltir framlei\u00f0sluferlum vi\u00f0 h\u00e1an hita og kallar fram \u00f3tr\u00falega eiginleika k\u00edsilkarb\u00ed\u00f0s (SiC). Hr\u00e1efni sem notu\u00f0 eru vi\u00f0 framlei\u00f0slu SiC gangast undir strangar hreinsunarferla og eru s\u00ed\u00f0an malu\u00f0 \u00ed f\u00edn duft til frekari vinnslu. Svart SiC er miki\u00f0 nota\u00f0 \u00ed sl\u00edpiforritum, svo sem sl\u00edpihj\u00f3lum og skur\u00f0arpl\u00f6tum, til a\u00f0 veita h\u00e1a \u2026 Read more<\/a><\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[],"class_list":["post-78","post","type-post","status-publish","format-standard","hentry","category-product"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/siliconcarbidepowders.com\/is\/wp-json\/wp\/v2\/posts\/78","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/siliconcarbidepowders.com\/is\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/siliconcarbidepowders.com\/is\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/siliconcarbidepowders.com\/is\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/siliconcarbidepowders.com\/is\/wp-json\/wp\/v2\/comments?post=78"}],"version-history":[{"count":1,"href":"https:\/\/siliconcarbidepowders.com\/is\/wp-json\/wp\/v2\/posts\/78\/revisions"}],"predecessor-version":[{"id":79,"href":"https:\/\/siliconcarbidepowders.com\/is\/wp-json\/wp\/v2\/posts\/78\/revisions\/79"}],"wp:attachment":[{"href":"https:\/\/siliconcarbidepowders.com\/is\/wp-json\/wp\/v2\/media?parent=78"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/siliconcarbidepowders.com\/is\/wp-json\/wp\/v2\/categories?post=78"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/siliconcarbidepowders.com\/is\/wp-json\/wp\/v2\/tags?post=78"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}