Sil\u012bcija karb\u012bds (SiC) ir neorganisks \u0137\u012bmisks savienojums, kas sast\u0101v no sil\u012bcija dioks\u012bda un oglek\u013ca un pirmo reizi komerci\u0101li masveid\u0101 tika ra\u017eots 1893. gad\u0101, lai to izmantotu k\u0101 abraz\u012bvu materi\u0101lu. Lai gan SiC dab\u0101 eksist\u0113 k\u0101 miner\u0101ls moisan\u012bts, masveid\u0101 to s\u0101ka ra\u017eot p\u0113c min\u0113t\u0101 datuma, lai izmantotu pulvera un krist\u0101lu veid\u0101 masveida pat\u0113ri\u0146am abraz\u012bvos izstr\u0101d\u0101jumos.<\/p>\n
Keramikas materi\u0101ls Cerakote ir viens no ciet\u0101kajiem un viegl\u0101kajiem keramikas materi\u0101liem, kas izce\u013cas ar izcilu iztur\u012bbu pret koroziju, nodilumu un eroziju, k\u0101 ar\u012b iztur ekstrem\u0101las temperat\u016bras.<\/p>\n
Sil\u012bcija karb\u012bds (SiC) ir \u0101rk\u0101rt\u012bgi ciets un elast\u012bgs materi\u0101ls ar lielu iztur\u012bbu pret koroziju un termisko izple\u0161anos, kas ir iztur\u012bgs pret sk\u0101b\u0113m un s\u0101rmiem, vienlaikus kalpo k\u0101 elektriskais izolators.<\/p>\n
SiC ir pla\u0161i sastopams uz Zemes k\u0101 miner\u0101ls moisan\u012bts, bet kosmos\u0101 - k\u0101 ar oglekli bag\u0101tu zvaig\u017e\u0146u putek\u013ci. SiC ir pla\u0161i izmantots da\u017e\u0101d\u0101s r\u016bpniec\u012bbas nozar\u0113s, tostarp \u0137\u012bmiskaj\u0101 r\u016bpniec\u012bb\u0101, pap\u012bra ra\u017eo\u0161an\u0101 un s\u016bk\u0146u un piedzi\u0146as sist\u0113mu komponentos. Turkl\u0101t dinamisk\u0101s bl\u012bv\u0113\u0161anas tehnolo\u0123ij\u0101s, kur\u0101s izmanto berzes gult\u0146us vai meh\u0101niskos bl\u012bvsl\u0113gus, tam bie\u017ei tiek dota priek\u0161roka sal\u012bdzin\u0101jum\u0101 ar met\u0101la analogiem, jo tas ir uzticam\u0101ks sare\u017e\u0123\u012btos apst\u0101k\u013cos.<\/p>\n
Vispla\u0161\u0101k izmantotais veids ir alfa sil\u012bcija karb\u012bds (a-SiC) ar se\u0161st\u016brainu krist\u0101lisko strukt\u016bru, kas l\u012bdz\u012bga virtc\u012btam. Lai gan ir pieejams beta a-SiC ar cinka blende krist\u0101lisko strukt\u016bru, t\u0101 komerci\u0101lais pielietojums joproj\u0101m ir ierobe\u017eots.<\/p>\n
Sil\u012bcija karb\u012bda k\u0101 materi\u0101la daudzpus\u012bba galvenok\u0101rt izriet no t\u0101 izcilaj\u0101m termiskaj\u0101m \u012bpa\u0161\u012bb\u0101m, tostarp augst\u0101s siltumvad\u012btsp\u0113jas, zem\u0101s termisk\u0101s izple\u0161an\u0101s un augst\u0101s ku\u0161anas temperat\u016bras, kas padara to piem\u0113rotu izmanto\u0161anai kosmos\u0101, energotehnolo\u0123ij\u0101s un \u0137\u012bmiskaj\u0101 ra\u017eo\u0161an\u0101.<\/p>\n
Izcila iztur\u012bba pret koroziju padara \u0161o materi\u0101lu \u012bpa\u0161i iztur\u012bgu, tostarp pret sk\u0101bju un s\u0101rmu \u0137imik\u0101lij\u0101m, k\u0101 ar\u012b pret temperat\u016bru l\u012bdz 1600 gr\u0101diem p\u0113c Celsija. T\u0101p\u0113c tas ir ide\u0101la izv\u0113le gult\u0146iem, sprausl\u0101m, iek\u0161dedzes dzin\u0113ju sast\u0101vda\u013c\u0101m un elektrisko transportl\u012bdzek\u013cu deta\u013c\u0101m, kur\u0101m j\u0101iztur sp\u0113c\u012bgs termiskais trieciens, nesaplais\u0101jot un nesadaloties.<\/p>\n
American Elements pied\u0101v\u0101 pla\u0161u standarta un pas\u016bt\u012bjuma klases materi\u0101lu kl\u0101stu pusvad\u012bt\u0101ju, kosmisk\u0101s avi\u0101cijas, automobi\u013cu, aizsardz\u012bbas, aizsardz\u012bbas elektronikas, apgaismojuma, pap\u012bra t\u0113rauda r\u016bpniec\u012bbai. P\u0113tniec\u012bbas un kvalit\u0101tes kontroles nol\u016bkos ir pieejami paraugi, k\u0101 ar\u012b tiek pied\u0101v\u0101ti makro un mikrogranulu izm\u0113ri. American Elements a-SiC ir \u0137\u012bmiski t\u012brs ar augstu tilpuma bl\u012bvumu, savuk\u0101rt m\u016bsu \u0137\u012bmisk\u0101s att\u012br\u012b\u0161anas proces\u0101 tas tiek izsij\u0101ts, lai atbilstu noteiktiem FEPA izm\u0113riem, k\u0101 ar\u012b ACS rea\u0123entu kategorijas standartiem.<\/p>\n
Sil\u012bcija karb\u012bds var lepoties ar izcilu apstr\u0101d\u0101jam\u012bbu un elektrovad\u012btsp\u0113ju, neraugoties uz t\u0101 sal\u012bdzino\u0161i zemo bl\u012bvumu (3,2 g\/cm3), k\u0101 ar\u012b iztur\u012bbu pret liel\u0101ko da\u013cu sk\u0101bju, s\u0101\u013cu un s\u0101rmu.<\/p>\n
GaN ir pla\u0161a joslas spraugas pusvad\u012bt\u0101js, un tam piem\u012bt augsta siltumvad\u012btsp\u0113ja un elektrisk\u0101 lauka sadal\u012b\u0161an\u0101s iztur\u012bba, k\u0101 ar\u012b tas ir lielisks izolators.<\/p>\n
SiC politipu elektrisk\u0101s pamat\u012bpa\u0161\u012bbas iev\u0113rojami at\u0161\u0137iras, pateicoties atomu izvietojumam to krist\u0101lre\u017e\u0123os, un katram no tiem ir \u012bpa\u0161as priek\u0161roc\u012bbas un tr\u016bkumi sal\u012bdzin\u0101jum\u0101 ar sil\u012bciju tr\u012bs galvenaj\u0101s kategorij\u0101s - siltumvad\u012btsp\u0113ja, elektrisk\u0101 lauka sadal\u012b\u0161an\u0101s stiprums un ener\u0123ijas joslas sprauga.<\/p>\n
SiC ir pieejams vair\u0101kos veidos. Alfa form\u0101m ir heksagon\u0101la krist\u0101lisk\u0101 strukt\u016bra, kas l\u012bdz\u012bga vurc\u012btam, bet beta form\u0101m ir cinka blende krist\u0101lisk\u0101 strukt\u016bra, un t\u0101s var kalpot ar\u012b k\u0101 katalizatoru nes\u0113ji. Ar dzirkste\u013cplazmas sa\u0137epin\u0101\u0161anas metodi tika izveidots nestehiometriskais SiC, kas satur C un Si piedevas no 1-5mol%, un tam bija viendab\u012bga mikrostrukt\u016bra ar zemu elektrisko pretest\u012bbu; t\u0101 Seebecka koeficients main\u012bj\u0101s no n-tipa uz p-tipu, palielinoties C daudzumam, kas liecina, ka starp C un Si ir izveidoju\u0161ies cietie \u0161\u0137\u012bdumi, kas veidojas t\u0101 re\u017e\u0123a strukt\u016br\u0101.<\/p>\n
Sal\u012bdzinot ar liel\u0101ko da\u013cu in\u017eenierkeramikas, sil\u012bcija karb\u012bds var lepoties ar augst\u0101ku ciet\u012bbu, plastiskumu un iztur\u012bbu pret koroziju un \u0137\u012bmisko iedarb\u012bbu. T\u0101 ir viena no ciet\u0101kaj\u0101m pieejamaj\u0101m in\u017eenierkeramik\u0101m, kas sp\u0113j iztur\u0113t augstas temperat\u016bras un meh\u0101nisk\u0101s slodzes, k\u0101 ar\u012b nodro\u0161ina labu izm\u0113ru stabilit\u0101ti, pateicoties augstajam Junga modulim.<\/p>\n
Alum\u012bnijs ir viens no stabil\u0101kajiem materi\u0101liem pret triecieniem un vibr\u0101cij\u0101m, t\u0101p\u0113c tas ir piem\u0113rots materi\u0101ls augstas veiktsp\u0113jas lietojumiem, piem\u0113ram, abraz\u012bviem materi\u0101liem un citiem augsto tehnolo\u0123iju lietojumiem. Turkl\u0101t t\u0101 siltumvad\u012btsp\u0113ja, zemais izple\u0161an\u0101s koeficients un iztur\u012bba pret sk\u0101b\u0113m un s\u0101rmiem padara to par lielisku izv\u0113li.<\/p>\n
American Elements pied\u0101v\u0101 augstas t\u012br\u012bbas pak\u0101pes sil\u012bcija karb\u012bda pulvera produktu izv\u0113li, kas izgatavoti saska\u0146\u0101 ar stingriem nozares un specifiskiem pielietojuma standartiem, izmanto\u0161anai daudz\u0101s nozar\u0113s un pielietojumos, piem\u0113ram, Mil Spec (milit\u0101r\u0101 kategorija), ACS Reagent Grade Technical Grade Food Pharmaceutical Grade un USP\/BP iepakojuma risin\u0101jumi ir pieejami - l\u016bdzu, sazinieties ar m\u016bsu komandu, lai ieg\u016btu s\u012bk\u0101ku inform\u0101ciju; visas pak\u0101pes atbilst piem\u0113rojamiem ASTM test\u0113\u0161anas standartiem ar piel\u0101gotu iepakojumu, kas pieejams p\u0113c vajadz\u012bbas - tipisks un piel\u0101gots iepakojums pieejams p\u0113c piepras\u012bjuma - l\u016bdzu, sazinieties tagad, jo American Elements cen\u0161as pied\u0101v\u0101t klientiem augstas kvalit\u0101tes produktus, vienlaikus nodro\u0161inot nep\u0101rsp\u0113jamu klientu servisu!<\/p>","protected":false},"excerpt":{"rendered":"
Silicon carbide (SiC) is an inorganic chemical compound made of silica and carbon that was first mass produced commercially since […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"footnotes":""},"categories":[3],"tags":[],"class_list":["post-76","post","type-post","status-publish","format-standard","hentry","category-sic-knowledge"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/siliconcarbideceramic.net\/lv\/wp-json\/wp\/v2\/posts\/76","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/siliconcarbideceramic.net\/lv\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/siliconcarbideceramic.net\/lv\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/siliconcarbideceramic.net\/lv\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/siliconcarbideceramic.net\/lv\/wp-json\/wp\/v2\/comments?post=76"}],"version-history":[{"count":1,"href":"https:\/\/siliconcarbideceramic.net\/lv\/wp-json\/wp\/v2\/posts\/76\/revisions"}],"predecessor-version":[{"id":77,"href":"https:\/\/siliconcarbideceramic.net\/lv\/wp-json\/wp\/v2\/posts\/76\/revisions\/77"}],"wp:attachment":[{"href":"https:\/\/siliconcarbideceramic.net\/lv\/wp-json\/wp\/v2\/media?parent=76"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/siliconcarbideceramic.net\/lv\/wp-json\/wp\/v2\/categories?post=76"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/siliconcarbideceramic.net\/lv\/wp-json\/wp\/v2\/tags?post=76"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}