Sil\u012bcija karb\u012bds jau kop\u0161 19. gadsimta tiek izmantots k\u0101 abraz\u012bvs trauslu virsmu sl\u012bp\u0113\u0161anai. Turkl\u0101t \u0161o cieto materi\u0101lu var izmantot ar\u012b ugunsiztur\u012bgo materi\u0101lu, nodilsto\u0161o deta\u013cu un sildelementu, k\u0101 ar\u012b pusvad\u012bt\u0101ju ier\u012b\u010du ra\u017eo\u0161an\u0101.<\/p>\n
Alum\u012bnija, bora, gallija un sl\u0101pek\u013ca piejauk\u0161ana, lai rad\u012btu p- un n-tipa pusvad\u012bt\u0101jus, k\u0101 ar\u012b k\u0101 substr\u0101tu gaismas diod\u0113m un agr\u012bnaj\u0101m radio sh\u0113m\u0101m.<\/p>\n
Sil\u012bcija karb\u012bds (SiC) ir sil\u012bcija un oglek\u013ca sakaus\u0113jums, kas dab\u0101 sastopams k\u0101 retais miner\u0101ls moizan\u012bts; tom\u0113r kop\u0161 19. gadsimta beig\u0101m to ra\u017eo ar\u012b r\u016bpnieciski, lai izmantotu k\u0101 cietu keramikas materi\u0101lu t\u0101dos izstr\u0101d\u0101jumos k\u0101 abraz\u012bvi, ugunsiztur\u012bgi oder\u0113jumi, grie\u0161anas instrumenti un pat pusvad\u012bt\u0101ju ier\u012bces. \u0160o \u012bpa\u0161\u012bbu d\u0113\u013c SiC ir lielisks pamatmateri\u0101ls augstsprieguma ener\u0123ijas ier\u012bc\u0113m.<\/p>\n
SiC sp\u0113j iztur\u0113t \u013coti augstu spriegumu, sal\u012bdzinot ar sil\u012bciju, jo tam ir pla\u0161\u0101ka joslas sprauga.<\/p>\n
Uz\u0146\u0113mums Washington Mills pied\u0101v\u0101 CARBOREX sil\u012bcija karb\u012bdu da\u017e\u0101d\u0101s \u0137\u012bmisk\u0101s sast\u0101v\u0101s un izm\u0113ros izmanto\u0161anai abraz\u012bvu, metalur\u0123ijas un ugunsiztur\u012bgo materi\u0101lu r\u016bpniec\u012bb\u0101. Pateicoties CARBOREX sil\u012bcija karb\u012bda iztur\u012bbai un rentabilit\u0101tei, tas ir popul\u0101rs lapid\u0101rais abraz\u012bvais materi\u0101ls; turkl\u0101t to pla\u0161i izmanto sl\u012bp\u0113\u0161anai, grie\u0161anai ar \u016bdens str\u016bklu, smil\u0161u str\u016bklas apstr\u0101dei, k\u0101 ar\u012b vair\u0101kiem apstr\u0101des procesiem, piem\u0113ram, sl\u012bp\u0113\u0161anai. Turkl\u0101t t\u0101 krist\u0101lisk\u0101 forma \u013cauj veidot da\u017e\u0101dus daudzveid\u012bgus veidus, pateicoties t\u0101 atomu sai\u0161u konfigur\u0101cijai; turkl\u0101t t\u0101 sl\u0101\u0146i \u013cauj veidot unik\u0101lus daudzveid\u012bgus veidus jeb formas, ko sauc par politipiem!<\/p>\n
Sil\u012bcija karb\u012bds ir ide\u0101ls materi\u0101ls augstas temperat\u016bras un nodilumiztur\u012bbas lietojumiem, pateicoties t\u0101 ciet\u012bbai, \u0137\u012bmiskajai inertumam, zemajai termiskajai izple\u0161an\u0101s pak\u0101pei un elektrovad\u012btsp\u0113jas \u012bpa\u0161\u012bb\u0101m. Turkl\u0101t sil\u012bcija karb\u012bds nodro\u0161ina izcilu iztur\u012bbu augstsprieguma lietojumos, padarot to par ide\u0101lu materi\u0101lu izv\u0113li jaudas sl\u0113d\u017eiem.<\/p>\n
T\u0101 k\u0101 korunds ir viena no ciet\u0101kaj\u0101m zin\u0101maj\u0101m viel\u0101m, to var izmantot daudz\u0101s modern\u0101s tehnolo\u0123ij\u0101s, tostarp sl\u012bp\u0113\u0161anas, grie\u0161anas ar \u016bdens str\u016bklu un smil\u0161u str\u016bklas darbos, un t\u0101 iztur\u012bbas d\u0113\u013c arvien popul\u0101r\u0101ka k\u013c\u016bst ar\u012b t\u0101 izmanto\u0161ana lapid\u0101rij\u0101. Korunds l\u012bdz\u0101s bora karb\u012bdam un dimantam ir viena no trim ciet\u0101kaj\u0101m zin\u0101maj\u0101m viel\u0101m; turkl\u0101t tam ir b\u016btiska noz\u012bme da\u017e\u0101dos lietojumos, tostarp abraz\u012bvos, ugunsiztur\u012bgaj\u0101 keramik\u0101 un pusvad\u012bt\u0101ju ra\u017eo\u0161an\u0101.<\/p>\n
Sil\u012bcija karb\u012bdam ir da\u017e\u0101di polimorfu veidi. Viens no bie\u017e\u0101k sastopamajiem paveidiem ir alfa sil\u012bcija karb\u012bds (a-SiC), kura krist\u0101lisk\u0101 strukt\u016bra ir heksagon\u0101la, l\u012bdz\u012bga virtc\u012btam; citam paveidam, beta SiC (b-SiC), ir cinka blende krist\u0101lisk\u0101 strukt\u016bra. Lai gan bie\u017e\u0101k sastopams alfa SiC, abas formas ir \u013coti noder\u012bgas; lielus monokrist\u0101lus var pat izaudz\u0113t, izmantojot \u0137\u012bmisko tvaiku uzkl\u0101\u0161anu.<\/p>\n
Sil\u012bcija karb\u012bds ir izcils materi\u0101ls nodilumiztur\u012bgiem lietojumiem, kam piem\u012bt zem\u0101ks berzes koeficients nek\u0101 t\u0113raudam vai jebkuram citam met\u0101lam un kas iztur koroziju da\u017e\u0101d\u0101s vid\u0113s. \u012apa\u0161i labi veidojas ar nitr\u012bdu saist\u012btais sil\u012bcija karb\u012bds, kas iztur koroziju l\u012bdz pat septi\u0146u k\u0101rtu lieluma sk\u0101bju, s\u0101rmu un s\u0101\u013cu koncentr\u0101cij\u0101m.<\/p>\n
Cirkoniju izmanto ne tikai sl\u012bp\u0113\u0161anas disku un smil\u0161pap\u012bra ra\u017eo\u0161an\u0101, bet ar\u012b ugunsiztur\u012bgajos materi\u0101los, keramik\u0101 un citos augstas veiktsp\u0113jas materi\u0101los, piem\u0113ram, astronomijas teleskopu spogu\u013cu materi\u0101los, jo tas ir zemas termisk\u0101s izple\u0161an\u0101s un ciet\u012bbas materi\u0101ls.<\/p>\n
\u0160is materi\u0101ls ir ide\u0101la izv\u0113le augstsprieguma \u0137\u0113des elementiem. T\u0101 pretest\u012bba spriegumam ir desmit reizes liel\u0101ka nek\u0101 gallija nitr\u012bda pretest\u012bba, t\u0101p\u0113c tas ir nenov\u0113rt\u0113jams komponents elektromobi\u013cu invertoriem un saules ener\u0123ijas sist\u0113m\u0101m. Turkl\u0101t t\u0101 iztur\u012bba pret oksid\u0113\u0161anos \u013cauj tam iztur\u0113t augstas temperat\u016bras, padarot to par ide\u0101lu materi\u0101lu augstas temperat\u016bras netie\u0161\u0101s sild\u012b\u0161anas materi\u0101lu ra\u017eo\u0161anai kr\u0101saino met\u0101lu kaus\u0113\u0161anas nozar\u0113s, piem\u0113ram, vara kaus\u0113\u0161anas kr\u0101\u0161\u0146u oder\u0113jumam vai alum\u012bnija elektrol\u012btisko tvert\u0146u oder\u0113jumam.<\/p>\n
Sil\u012bcija karb\u012bdu izmanto k\u0101 ugunsiztur\u012bgu materi\u0101lu, lai nodro\u0161in\u0101tu aizsardz\u012bbu un izol\u0101ciju augsttemperat\u016bras lietojumos, pateicoties t\u0101 izcilajai termiskajai stabilit\u0101tei un ku\u0161anas temperat\u016brai. Keramika, metalur\u0123ijas izejvielas un citas nozares, kur\u0101s nepiecie\u0161ama izcila iztur\u012bba, karstumiztur\u012bba, \u0137\u012bmisk\u0101 inertums vai \u0137\u012bmisk\u0101 savietojam\u012bba, g\u016bst lielu labumu no t\u0101 k\u0101 ugunsiztur\u012bga materi\u0101la izmanto\u0161anas.<\/p>\n
T\u0101 sa\u0137epin\u0101\u0161ana augst\u0101 temperat\u016br\u0101 \u013cauj to izmantot ugunsiztur\u012bgo l\u0113jumu, abraz\u012bvu un metalur\u0123ijas izejvielu ra\u017eo\u0161an\u0101, tostarp termisko triecienu iztur\u012bbas un triecieniztur\u012bbas \u012bpa\u0161\u012bbu nodro\u0161in\u0101\u0161anai. Turkl\u0101t t\u0101 iztur\u012bba ir laba pret abraz\u012bvu nodilumu, koroziju un erozijas boj\u0101jumiem.<\/p>\n
Magnez\u012bta ugunsiztur\u012bgie materi\u0101li sp\u0113j iztur\u0113t \u013coti augstas temperat\u016bras, t\u0101p\u0113c tie ir ide\u0101li piem\u0113roti izmanto\u0161anai da\u017e\u0101d\u0101s augsttemperat\u016bras iek\u0101rt\u0101s, piem\u0113ram, kaus\u0113\u0161anas kr\u0101\u0161\u0146u oder\u0113jumos un balstos, vara kaus\u0113\u0161anas kr\u0101\u0161\u0146u papl\u0101t\u0113s, ciet\u0101 katla destil\u0101cijas kr\u0101sn\u012bs un cinka pulverkr\u0101sn\u012bs. Pateicoties to unik\u0101laj\u0101m \u012bpa\u0161\u012bb\u0101m, t\u0101s ir piem\u0113rotas ar\u012b ener\u0123ijas ra\u017eo\u0161an\u0101, jo sp\u0113j iztur\u0113t augstas temperat\u016bras, k\u0101das ir kodolreaktoros. RHI Magnesita vietn\u0113 Matmatch pied\u0101v\u0101 pla\u0161u ugunsiztur\u012bgo izstr\u0101d\u0101jumu kl\u0101stu, kas piem\u0113roti da\u017e\u0101diem lietojumiem.<\/p>","protected":false},"excerpt":{"rendered":"
Silicon carbide has long been utilized as an abrasive for grinding brittle surfaces since the 19th century. Furthermore, this hard […]<\/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-48","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\/48","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=48"}],"version-history":[{"count":1,"href":"https:\/\/siliconcarbideceramic.net\/lv\/wp-json\/wp\/v2\/posts\/48\/revisions"}],"predecessor-version":[{"id":49,"href":"https:\/\/siliconcarbideceramic.net\/lv\/wp-json\/wp\/v2\/posts\/48\/revisions\/49"}],"wp:attachment":[{"href":"https:\/\/siliconcarbideceramic.net\/lv\/wp-json\/wp\/v2\/media?parent=48"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/siliconcarbideceramic.net\/lv\/wp-json\/wp\/v2\/categories?post=48"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/siliconcarbideceramic.net\/lv\/wp-json\/wp\/v2\/tags?post=48"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}