![\"Sil\u012bcija](\"http:\/\/siliconcarbideceramic.net\/wp-content\/uploads\/2024\/04\/Silicon-Carbide-Definition.jpg\")
<\/p>","protected":false},"excerpt":{"rendered":"Sil\u012bcija karb\u012bds (SiC) ir ne\u0161\u0137\u012bsto\u0161s krist\u0101lisks savienojums, kas sast\u0101v no sil\u012bcija un oglek\u013ca. SiC, ko parasti d\u0113v\u0113 par karborundu, dab\u0101 sastopams ar\u012b k\u0101 \u013coti rets miner\u0101ls moisan\u012bts.<\/p>\n
PEEK izmanto elektroniskaj\u0101s ier\u012bc\u0113s, kas darbojas augst\u0101 temperat\u016br\u0101 un spriegum\u0101, piem\u0113ram, baro\u0161anas avotos. Turkl\u0101t tas ir b\u016btisks materi\u0101ls elektriskajos transportl\u012bdzek\u013cos; tas sola palielin\u0101t brauk\u0161anas diapazonu un uzlabot energoefektivit\u0101ti, palielinot akumulatoru darb\u012bbas ilgumu un paaugstinot energoefektivit\u0101ti.<\/p>\n
Sil\u012bcija karb\u012bds, bie\u017e\u0101k saukts par SiC, ir \u0101rk\u0101rt\u012bgi abraz\u012bvs materi\u0101ls, kas parasti atrodams meteor\u012btos un retaj\u0101 miner\u0101l\u0101 moisan\u012bt\u0101. SiC, kas sast\u0101v tikai no sil\u012bcija un oglek\u013ca, var tikt le\u0123\u0113ts ar sl\u0101pekli vai fosforu, lai to izmantotu k\u0101 n tipa pusvad\u012bt\u0101ju, vai ar alum\u012bniju, boru vai galliju, lai to izmantotu p tipa pusvad\u012bt\u0101jos. R\u016bpnieciskais smil\u0161pap\u012brs bie\u017ei vien k\u0101 viena no t\u0101 sast\u0101vda\u013c\u0101m ir SiC, savuk\u0101rt t\u0101 asie graudi\u0146i bez piep\u016bles var sl\u012bp\u0113t met\u0101lu, stiklu, marmoru kor\u0137a akmeni vid\u0113ja bl\u012bvuma kok\u0161\u0137iedru pl\u0101tnes vid\u0113ja bl\u012bvuma kok\u0161\u0137iedru pl\u0101tnes \u0101trai abraz\u012bvai izmanto\u0161anai - lieliski piem\u0113rotas izmanto\u0161anai k\u0101 abraz\u012bvs materi\u0101ls!<\/p>\n
Alum\u012bnijs ir ide\u0101ls materi\u0101ls augstas veiktsp\u0113jas lietojumiem, kam nepiecie\u0161amas sp\u0113c\u012bgas \u0137\u012bmisk\u0101s \u012bpa\u0161\u012bbas, siltumvad\u012btsp\u0113ja, zems izple\u0161an\u0101s koeficients un nodilumiztur\u012bba. \u0160o daudzpus\u012bgo met\u0101lu var izmantot, piem\u0113ram, abraz\u012bvos materi\u0101los, nodilumiztur\u012bg\u0101s deta\u013c\u0101s un ugunsiztur\u012bgajos materi\u0101los t\u0101 ciet\u012bbas d\u0113\u013c, elektronik\u0101 t\u0101 stabilit\u0101tes un uzticam\u012bbas d\u0113\u013c, k\u0101 ar\u012b metalur\u0123ij\u0101 t\u0101 karstumiztur\u012bbas d\u0113\u013c.<\/p>\n
Sil\u012bcija karb\u012bda unik\u0101l\u0101s meh\u0101nisk\u0101s un \u0137\u012bmisk\u0101s \u012bpa\u0161\u012bbas padara to par lielisku materi\u0101lu izv\u0113li augstas veiktsp\u0113jas in\u017eeniertehniskajiem lietojumiem, piem\u0113ram, s\u016bk\u0146u gult\u0146iem, v\u0101rstiem, smil\u0161u str\u016bklas in\u017eektoriem, ekstr\u016bzijas presform\u0101m, iztur\u012bba pret koroziju un augsta ku\u0161anas temperat\u016bra padara to par lielisku materi\u0101lu, ko izv\u0113l\u0113ties ekstr\u0113m\u0101s in\u017eeniertehnisk\u0101s situ\u0101cij\u0101s. Smag\u0101s augsnes augsnes virsm\u0101 var rasties maz\u0101ka berze, sal\u012bdzinot ar viegl\u0101s augsnes apst\u0101k\u013ciem, savuk\u0101rt sil\u012bcija karb\u012bda putek\u013ci cilv\u0113kiem var izrais\u012bt neprogres\u0113jo\u0161u plau\u0161u fibrozi.<\/p>\n
Sil\u012bcija karb\u012bds, bie\u017e\u0101k saukts par karborundu, ir \u0101rk\u0101rt\u012bgi ciets sil\u012bcija un oglek\u013ca krist\u0101lisks savienojums, kas jau sen tiek izmantots k\u0101 abraz\u012bvs materi\u0101ls, kop\u0161 t\u0101 ievie\u0161anas 19. gadsimta beig\u0101s. Kop\u0161 t\u0101 laika to galvenok\u0101rt izmanto sl\u012bp\u0113\u0161anas ripu un griez\u0113jinstrumentu izgatavo\u0161an\u0101, bet t\u0101 daudzpus\u012bgais pielietojums sniedzas no r\u016bpniecisko kr\u0101\u0161\u0146u ugunsiztur\u012bgaj\u0101m uzlik\u0101m un nodilumiztur\u012bg\u0101m deta\u013c\u0101m s\u016bk\u0146os un ra\u0137e\u0161u dzin\u0113jos l\u012bdz pat keramikai un pusvad\u012bt\u0101jiem; pateicoties t\u0101 iztur\u012bbai pret koroziju un oksid\u0101ciju, k\u0101 ar\u012b iztur\u012bbai augst\u0101 temperat\u016br\u0101 ar minim\u0101lu termisko izple\u0161anos, tas ir viens no vispla\u0161\u0101k izmantotajiem keramikas materi\u0101liem m\u016bsdien\u0101s.<\/p>\n
Sil\u012bcija karb\u012bds ir bezoks\u012bda keramika, kuras joslas sprauga ir tr\u012bs reizes liel\u0101ka nek\u0101 standarta sil\u012bcija pusvad\u012bt\u0101jiem, kas noz\u012bm\u0113, ka t\u0101 var iztur\u0113t liel\u0101ku spriegumu. Turkl\u0101t t\u0101 sa\u0137epin\u0101\u0161anas proces\u0101 veidojas \u013coti mazas da\u013ci\u0146as, kas ret\u0101k boj\u0101 elektronisk\u0101s sh\u0113mas. Ja pievieno t\u0101dus le\u0123\u0113jo\u0161os savienojumus k\u0101 bors un alum\u012bnijs, sil\u012bcija karb\u012bds k\u013c\u016bst par p tipa pusvad\u012bt\u0101ju; ja t\u0101 viet\u0101 pievieno fosforu un sl\u0101pekli, tas k\u013c\u016bst par n tipa pusvad\u012bt\u0101ju.<\/p>\n
Sil\u012bcija karb\u012bda sa\u0137epin\u0101\u0161ana ir vienk\u0101r\u0161s process, kur\u0101 ieg\u016bst bl\u012bvus produktus ar izcil\u0101m meh\u0101nisk\u0101m \u012bpa\u0161\u012bb\u0101m. T\u0101 ciet\u012bba ir \u013coti svar\u012bga daudzos abraz\u012bv\u0101s apstr\u0101des procesos, piem\u0113ram, sl\u012bp\u0113\u0161an\u0101, grie\u0161an\u0101 ar \u016bdens str\u016bklu un smil\u0161u str\u016bklas str\u016bklu; m\u016bsdienu lapid\u0101ri nov\u0113rt\u0113 ar\u012b sil\u012bcija karb\u012bda iztur\u012bbu un augsto izm\u0113ru stabilit\u0101ti; to var izmantot pat augstas veiktsp\u0113jas brem\u017eu disku ra\u017eo\u0161anai sporta automobi\u013ciem vai citiem augstas veiktsp\u0113jas transportl\u012bdzek\u013ciem.<\/p>\n
Sil\u012bcija karb\u012bds jeb SiC ir bezoks\u012bda keramikas materi\u0101ls, ko izmanto, s\u0101kot no abraz\u012bviem materi\u0101liem un nodilumiztur\u012bg\u0101m deta\u013c\u0101m, pateicoties t\u0101 ciet\u012bbai, l\u012bdz metalur\u0123ijai un ugunsiztur\u012bgajiem materi\u0101liem, pateicoties t\u0101 karstumiztur\u012bbai un termiskajai izple\u0161an\u0101s sp\u0113jai, k\u0101 ar\u012b energoelektronikas lietojumiem, pateicoties t\u0101 sprieguma iztur\u012bbai; le\u0123\u0113ts ar sl\u0101pekli vai fosforu, lai veidotu n tipa pusvad\u012bt\u0101jus, vai berilija, bora un alum\u012bnija le\u0123\u0113t\u0101jiem, lai veidotu p tipa pusvad\u012bt\u0101jus; t\u0101 bl\u012bvi sak\u0101rtot\u0101 krist\u0101lisk\u0101 strukt\u016bra veido politipus ar at\u0161\u0137ir\u012bgu \u0137\u012bmisko sast\u0101vu, k\u0101 ar\u012b elektriskaj\u0101m \u012bpa\u0161\u012bb\u0101m; lai gan tas ne\u0161\u0137\u012bst \u016bden\u012b, tas \u0161\u0137\u012bst s\u0101rmos vai dzelzs saturo\u0161\u0101s vid\u0113s.<\/p>\n
SiC no sil\u012bcija at\u0161\u0137iras ar daudz pla\u0161\u0101ku joslas spraugu, kas \u013cauj tam demonstr\u0113t pusvad\u012btsp\u0113ju. T\u0101p\u0113c tas ir ide\u0101ls materi\u0101ls augstsprieguma lietojumiem, jo sp\u0113j iztur\u0113t spriegumu, kas ir desmit reizes liel\u0101ks nek\u0101 sil\u012bcijs.<\/p>\n
Sil\u012bcija karb\u012bds var lepoties ar izcilu siltumvad\u012btsp\u0113ju, kas \u013cauj tam iztur\u0113t temperat\u016bru l\u012bdz pat 1400 gr\u0101diem p\u0113c Celsija - iev\u0113rojami augst\u0101ku nek\u0101 standarta sil\u012bcija 175 gr\u0101du p\u0113c Celsija. T\u0101p\u0113c sil\u012bcija karb\u012bds samazina vajadz\u012bbu p\u0113c akt\u012bv\u0101m dzes\u0113\u0161anas sist\u0113m\u0101m t\u0101d\u0101s energoelektronisk\u0101s ier\u012bc\u0113s k\u0101 DC-DC p\u0101rveidot\u0101ji un ieb\u016bv\u0113tie l\u0101d\u0113t\u0101ji.<\/p>\n
Sil\u012bcija karb\u012bdu var ra\u017eot, izmantojot da\u017e\u0101dus procesus, tostarp reakciju saist\u012b\u0161anas un CVD metodes. Reakcijas saist\u012b\u0161anas metodes ietver SiC pulvera sajauk\u0161anu ar oglek\u013ca pulveri un plastifikatoru pirms t\u0101 form\u0113\u0161anas v\u0113lamaj\u0101s form\u0101s, pirms mais\u012bjum\u0101 eso\u0161\u0101 plastifikatora sadedzin\u0101\u0161anas. CVD proces\u0101 t\u012bras sil\u012bcija smiltis, kas sajauktas ar koksu, kars\u0113 \u0137ie\u0123e\u013cu elektrisk\u0101s pretest\u012bbas tipa kr\u0101sn\u012b, caur t\u0101s vad\u012bt\u0101ju lai\u017eot str\u0101vu; v\u0113l\u0101k t\u0101s sama\u013c smalk\u0101 pulver\u012b, lai izmantotu k\u0101 abraz\u012bvu.<\/p>\n
Sil\u012bcija karb\u012bds jeb SiC ir viena no ciet\u0101kaj\u0101m zin\u0101maj\u0101m viel\u0101m. To galvenok\u0101rt izmanto k\u0101 autob\u016bves materi\u0101lu augstas veiktsp\u0113jas brem\u017eu diskos sporta automobi\u013ciem un superauto; tom\u0113r \u0161o materi\u0101lu izmanto ar\u012b pusvad\u012bt\u0101ju un energoelektronikas komponentos, jo t\u0101 lielisk\u0101s fizik\u0101l\u0101s un elektrisk\u0101s \u012bpa\u0161\u012bbas padara to piem\u0113rotu augstsprieguma lietojumiem.<\/p>\n
Keramikas materi\u0101li ar v\u0113lamaj\u0101m bezoks\u012bda keramikas \u012bpa\u0161\u012bb\u0101m ir lieliska izv\u0113le daudziem r\u016bpnieciskiem lietojumiem, s\u0101kot no sensoriem un pusvad\u012bt\u0101ju ier\u012bc\u0113m l\u012bdz valk\u0101jam\u0101m tehnolo\u0123ij\u0101m un medic\u012bnas implantiem. Keramikas materi\u0101li, kas le\u0123\u0113ti ar da\u017e\u0101diem alum\u012bnija, bora vai oglek\u013ca daudzumiem, var sasniegt \u012bpa\u0161as veiktsp\u0113jas \u012bpa\u0161\u012bbas da\u017e\u0101diem r\u016bpnieciskiem lietojumiem un tos var ra\u017eot zemsprieguma ier\u012bc\u0113s augstsprieguma lietojumiem.<\/p>\n
SiC atomu strukt\u016bra padara to par lielisku vad\u012bt\u0101ju, t\u0101p\u0113c tas ir ide\u0101li piem\u0113rots tranzistoru izmanto\u0161anai elektriskajos transportl\u012bdzek\u013cos (EV). \u0160\u012bs mikrosh\u0113mas samazina darb\u012bbas laik\u0101 rad\u012bto siltumu, t\u0101d\u0113j\u0101di palielinot efektivit\u0101ti un pagarinot akumulatora darb\u012bbas laiku, k\u0101 ar\u012b sp\u0113j iztur\u0113t augst\u0101ku darba temperat\u016bru, t\u0101d\u0113j\u0101di nov\u0113r\u0161ot akt\u012bv\u0101s dzes\u0113\u0161anas sist\u0113mas, kas palielina elektrisko transportl\u012bdzek\u013cu konstrukcijas svaru un sare\u017e\u0123\u012bt\u012bbu.<\/p>\n
Laika gait\u0101 sil\u012bcija karb\u012bda ra\u017eo\u0161ana ir main\u012bjusies, ta\u010du t\u0101s pamatprocess joproj\u0101m ir l\u012bdz\u012bgs tam, ko 1891. gad\u0101 aizs\u0101ka Edvards A\u010dons. T\u012bra sil\u012bcija smil\u0161u un koksa ogles mais\u012bjumu kars\u0113 elektriskaj\u0101 kr\u0101sn\u012b, l\u012bdz to aizdedzina ar elektrisk\u0101s dzirksteles sveci, kas izgatavota no oglek\u013ca vad\u012btsp\u0113jas, ieg\u016bstot spilgti za\u013cus krist\u0101lus ar iev\u0113rojamu ciet\u012bbu.<\/p>\n
<\/p>","protected":false},"excerpt":{"rendered":"
Silicon carbide (SiC) is an insoluble crystalline compound composed of silicon and carbon. Commonly referred to by its trade name […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","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":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","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-126","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\/126","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=126"}],"version-history":[{"count":3,"href":"https:\/\/siliconcarbideceramic.net\/lv\/wp-json\/wp\/v2\/posts\/126\/revisions"}],"predecessor-version":[{"id":185,"href":"https:\/\/siliconcarbideceramic.net\/lv\/wp-json\/wp\/v2\/posts\/126\/revisions\/185"}],"wp:attachment":[{"href":"https:\/\/siliconcarbideceramic.net\/lv\/wp-json\/wp\/v2\/media?parent=126"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/siliconcarbideceramic.net\/lv\/wp-json\/wp\/v2\/categories?post=126"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/siliconcarbideceramic.net\/lv\/wp-json\/wp\/v2\/tags?post=126"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}