\u0145emot v\u0113r\u0101 to formu, sil\u012bcija karb\u012bda \u0161\u0137iedru tirgu var iedal\u012bt nep\u0101rtraukt\u0101s un aust\u0101s sil\u012bcija karb\u012bda \u0161\u0137iedru izstr\u0101d\u0101jumos. Galvenie tirgus virz\u012bt\u0101jsp\u0113ki ir pieaugus\u012b r\u016bpniecisk\u0101 ra\u017eo\u0161ana kosmosa un aizsardz\u012bbas nozar\u0113s, k\u0101 ar\u012b ener\u0123\u0113tikas nozar\u0113, kur nep\u0101rtraukt\u0101s sil\u012bcija karb\u012bda \u0161\u0137iedras tiek izmantotas kodolreaktoru izgatavo\u0161anai.<\/p>\n
Sil\u012bcija karb\u012bda \u0161\u0137iedras iztur\u012bba pret augst\u0101m temperat\u016br\u0101m padara to par izcilu met\u0101lu un plastmasu pastiprin\u0101juma materi\u0101lu, \u013caujot ra\u017eot kompoz\u012btmateri\u0101lus ar augstu stiepes iztur\u012bbu un elast\u012bbas moduli. Turkl\u0101t sil\u012bcija karb\u012bda \u0161\u0137iedras elektrodus pla\u0161i izmanto kr\u0101sn\u012bs un indukcijas pl\u012bt\u0113s k\u0101 r\u016bpniecisko sild\u012b\u0161anas avotu; papildus tos var le\u0123\u0113t ar sl\u0101pekli, fosforu, alum\u012bniju vai galliju, lai ra\u017eotu n-tipa un p-tipa pusvad\u012bt\u0101jus.<\/p>\n
Sil\u012bcija karb\u012bds labi iztur augstas temperat\u016bras, turkl\u0101t tam piem\u012bt \u0137\u012bmisk\u0101 un dimensiju stabilit\u0101te, kas to padara par izcilu materi\u0101la izv\u0113li pusvad\u012bt\u0101ju pl\u0101ksn\u012b\u0161u palikt\u0146u balstiem un l\u0101psti\u0146\u0101m pusvad\u012bt\u0101ju kr\u0101sn\u012bs, k\u0101 ar\u012b to izmanto k\u0101 kr\u0101sns oder\u0113jumus, nodiluma pl\u0101ksnes un oder\u0113juma caurules elektronikas ra\u017eo\u0161anas r\u016bpn\u012bc\u0101s.<\/p>\n
Kodoliek\u0101rtu b\u016bvniec\u012bba gan att\u012bst\u012btaj\u0101s, gan jaunatt\u012bst\u012bbas valst\u012bs strauji virz\u0101s uz priek\u0161u, kas var\u0113tu palielin\u0101t piepras\u012bjumu p\u0113c ener\u0123\u0113tikas un elektroener\u0123ijas komponentiem, kuros izmantoti sil\u012bcija karb\u012bda \u0161\u0137iedru izol\u0101cijas materi\u0101li, piem\u0113ram, jaudas reaktori, kuros \u0161ie materi\u0101li tiek pla\u0161i izmantoti k\u0101 izol\u0101cija.<\/p>\n
Augsttemperat\u016brai iztur\u012bgu sil\u012bcija karb\u012bda \u0161\u0137iedru ra\u017eo\u0161anas metodes sast\u0101v no trim posmiem: prekursoru \u0161\u0137iedru ieg\u016b\u0161ana, izmantojot polikarbosil\u0101na kaus\u0113juma v\u0113rp\u0161anu, \u0161o prekursoru \u0161\u0137iedru iegremd\u0113\u0161anu reakcijas monom\u0113ros, lai veiktu m\u0113rc\u0113\u0161anu un saciet\u0113\u0161anu, t\u0101d\u0113j\u0101di pan\u0101kot ide\u0101lu attiec\u012bbu starp \u0161\u0137\u0113rssai\u0161u sl\u0101\u0146a biezumu un \u0161\u0137iedras diametru (0,1\u20130,99), un, visbeidzot, krekingu inertas g\u0101zes vid\u0113, lai ieg\u016btu SiC \u0161\u0137iedras, kur\u0101m piem\u012bt izcila iztur\u012bba pret augst\u0101m temperat\u016br\u0101m, k\u0101 ar\u012b samazin\u0101tas ra\u017eo\u0161anas izmaksas un piem\u0113rotas lieces \u012bpa\u0161\u012bbas. Gala produktiem piem\u012bt izcila iztur\u012bba pret augst\u0101m temperat\u016br\u0101m, zemas ra\u017eo\u0161anas izmaksas un labas lieces \u012bpa\u0161\u012bbas to lieto\u0161anas jom\u0101s.<\/p>\n
Sil\u012bcija karb\u012bda \u0161\u0137iedra tiek izmantota k\u0101 pastiprin\u0101juma materi\u0101ls keramikas matricas kompoz\u012btos (CMC). T\u0101s \u012bpa\u0161\u012bbas padara to piem\u0113rotu izmanto\u0161anai daudzos ener\u0123\u0113tikas nozares pielietojumos, piem\u0113ram, og\u013cu sp\u0113kstacij\u0101s un kodolreaktoros, k\u0101 ar\u012b karstumiztur\u012bg\u0101s aizsargpriek\u0161karos un lent\u0113s. Sil\u012bcija karb\u012bda \u0161\u0137iedras iztur\u012bba pret augst\u0101m temperat\u016br\u0101m un ilgm\u016b\u017e\u012bba padara to par lielisku izv\u0113li k\u0101 sast\u0101vda\u013cu CMC pastiprin\u0101juma materi\u0101los, piem\u0113ram, karstumiztur\u012bg\u0101s aizkari vai lentes.<\/p>\n
Kop\u0161 2008. gada sil\u012bcija karb\u012bda \u0161\u0137iedru ra\u017eo\u0161anas tehnolo\u0123ij\u0101s ir pan\u0101kti iev\u0113rojami uzlabojumi, k\u0101 rezult\u0101t\u0101 ir izstr\u0101d\u0101tas gandr\u012bz stehiometriskas \u0161\u0137iedras ar mazu diametru, kuru \u012bpa\u0161\u012bbas ir piem\u0113rotas liel\u0101kajai da\u013cai keramikas matricas kompoz\u012btu (CMC) un kodolener\u0123\u0113tikas lietojumiem. Diem\u017e\u0113l to izmanto\u0161anu joproj\u0101m ierobe\u017eo ra\u017eo\u0161anas izmaksas.<\/p>\n
Piepras\u012bjums p\u0113c sil\u012bcija karb\u012bda \u0161\u0137iedras Zieme\u013camerik\u0101 strauji pieaug, papla\u0161inoties kosmosa un milit\u0101rajai r\u016bpniec\u012bbai, ko veicina gan liels piepras\u012bjums p\u0113c komerci\u0101lajiem gaisa ku\u0123iem, gan ar\u012b pieaugo\u0161ie aizsardz\u012bbas izdevumi \u0161aj\u0101 re\u0123ion\u0101. Izdevumu pieaugums, visticam\u0101k, veicin\u0101s piepras\u012bjuma palielin\u0101\u0161anos p\u0113c hibr\u012bdiem alum\u012bnija met\u0101la matricas kompoz\u012btiem, kas ir pastiprin\u0101ti ar sil\u012bcija karb\u012bda \u0161\u0137iedru.<\/p>\n
Pasaules sil\u012bcija karb\u012bda \u0161\u0137iedru tirgu var iedal\u012bt p\u0113c formas un pielietojuma. Nep\u0101rtrauktas sil\u012bcija karb\u012bda \u0161\u0137iedras 2023. gad\u0101 ie\u0146\u0113ma liel\u0101ko tirgus da\u013cu, un prognoz\u0113ts, ka no 2024. l\u012bdz 2030. gadam to gada vid\u0113jais pieauguma temps b\u016bs 35,9%. \u0160\u012bs viegli apstr\u0101d\u0101jam\u0101s \u0161\u0137iedras var viegli integr\u0113t sare\u017e\u0123\u012btas formas deta\u013c\u0101s, turkl\u0101t to iztur\u012bba pret starojumu piesaista kodolener\u0123\u0113tikas nozares uzman\u012bbu.<\/p>\n
Sil\u012bcija karb\u012bda \u0161\u0137iedra var pal\u012bdz\u0113t samazin\u0101t lidma\u0161\u012bnu dzin\u0113ju svaru un izmaksas, samazinot izmantoto slodzi neso\u0161o materi\u0101lu daudzumu. Tom\u0113r t\u0101s ra\u017eo\u0161anai rakstur\u012bgas savas probl\u0113mas, piem\u0113ram, sp\u0113ja iztur\u0113t augstas temperat\u016bras, neplais\u0101jot, k\u0101 ar\u012b materi\u0101lu korozijas iztur\u012bba un iztur\u012bba pret nogurumu.<\/p>\n
Viena no kompoz\u012btmateri\u0101lu uzlabo\u0161anas iesp\u0113j\u0101m b\u016btu jaunu met\u0101lu izstr\u0101de, kas nodro\u0161in\u0101tu lab\u0101ku sader\u012bbu starp armat\u016bras materi\u0101liem un armat\u016bras met\u0101liem, t\u0101d\u0113j\u0101di radot iztur\u012bg\u0101kus un ilgm\u016b\u017e\u012bg\u0101kus kompoz\u012btmateri\u0101lus. Cita pieeja var\u0113tu ietvert keramikas matricas izmanto\u0161anu, kas padar\u012btu kompoz\u012btmateri\u0101lus viegl\u0101kus, vienlaikus \u013caujot \u0161\u0137iedras veidot da\u017e\u0101d\u0101s form\u0101s.<\/p>\n
Ar bora \u0161\u0137iedr\u0101m pastiprin\u0101tie alum\u012bnija matricas kompoz\u012btmateri\u0101li, kas tiek ra\u017eoti reakt\u012bvo dzin\u0113ju deta\u013c\u0101m, izce\u013cas ar to, ka tie ir divreiz iztur\u012bg\u0101ki un karstumiztur\u012bg\u0101ki nek\u0101 ni\u0137e\u013ca sakaus\u0113jumi, ta\u010du to ra\u017eo\u0161anas izmaksas par m\u0101rci\u0146u ir aptuveni $100 zem\u0101kas \u2013 tas ir iev\u0113rojams uzlabojums sal\u012bdzin\u0101jum\u0101 ar tradicion\u0101lajiem ni\u0137e\u013ca sakaus\u0113jumiem, kas pa\u0161laik ir standarta materi\u0101ls liel\u0101kaj\u0101 da\u013c\u0101 gaisa ku\u0123u deta\u013cu.<\/p>\n
Lai izgatavotu ar boru pastiprin\u0101tus met\u0101la matricas kompoz\u012btus, sil\u012bcija karb\u012bda \u0161\u0137iedras vispirms j\u0101p\u0101rkl\u0101j ar met\u0101lu, lai uzlabotu to mitruma uzs\u016bk\u0161anas sp\u0113ju attiec\u012bb\u0101 pret matricas met\u0101lu, un t\u0101s j\u0101sakrauj un j\u0101uzkars\u0113 zem spiediena, pirms starp katru sl\u0101ni tiek ievietots matricas met\u0101la pulveris, kas sajaukts ar organisko saistvielu.<\/p>\n
Sil\u012bcija karb\u012bda \u0161\u0137iedra ir ugunsiztur\u012bga materi\u0101la veids, ko izmanto da\u017e\u0101dos pielietojumos, tostarp k\u0101 karstumiztur\u012bgus materi\u0101lus reakt\u012bvajiem dzin\u0113jiem un keramikas matricas kompoz\u012btiem, k\u0101 ar\u012b k\u0101 pastiprin\u0101juma materi\u0101lu augsttemperat\u016bras siksn\u0101m un filtr\u0113jo\u0161iem audumiem, augsttemperat\u016bras g\u0101zu vai met\u0101lu filtr\u0113\u0161anai ar filtr\u0113jo\u0161iem audumiem, k\u0101 ar\u012b k\u0101 galven\u0101 sast\u0101vda\u013ca sil\u012bcija karb\u012bda armat\u016bras met\u0101la matricas kompoz\u012btos \u2014 \u0161ie pielietojumi b\u016btu j\u0101veicina iev\u0113rojamu ie\u0146\u0113mumu pieaugumu \u0161aj\u0101 tirg\u016b.<\/p>\n
L\u012bdz 2024. gadam aust\u0101s sil\u012bcija karb\u012bda \u0161\u0137iedras, visticam\u0101k, domin\u0113s pasaules tirg\u016b, pateicoties to izcilaj\u0101m meh\u0101niskaj\u0101m \u012bpa\u0161\u012bb\u0101m un ra\u017eo\u0161anas elast\u012bgumam. Aust\u0101s sil\u012bcija karb\u012bda \u0161\u0137iedras var viegli aust da\u017e\u0101d\u0101s strukt\u016br\u0101s, piem\u0113ram, \u0161\u013c\u016bten\u0113s, caurul\u0113s vai maisi\u0146os, un t\u0101m piem\u012bt izcila nodilumiztur\u012bba, kas padara t\u0101s par lab\u0101ko izv\u0113li automobi\u013cu deta\u013c\u0101m.<\/p>\n
Sil\u012bcija karb\u012bda \u0161\u0137iedra p\u0101rsp\u0113j tradicion\u0101los ni\u0137e\u013ca b\u0101zes supersakaus\u0113jumus, jo t\u0101 ir divreiz iztur\u012bg\u0101ka un 20% viegl\u0101ka, turkl\u0101t tai ir uzlabota \u0137\u012bmisk\u0101 stabilit\u0101te, \u0137\u012bmisk\u0101 iztur\u012bba, siltumiztur\u012bba, siltumvad\u012btsp\u0113ja un iztur\u012bba. Turkl\u0101t SiC krist\u0101lisk\u0101 strukt\u016bra sp\u0113j iztur\u0113t liel\u0101ku stiepes spriegumu, nezaud\u0113jot formu un nel\u016bstot.<\/p>\n
Uz\u0146\u0113mums \u201eAmerican Elements\u201c pied\u0101v\u0101 iespaid\u012bgu kl\u0101stu ar moderniem materi\u0101liem, kas paredz\u0113ti izmanto\u0161anai kosmosa un elektronikas nozar\u0113 ASV. Starp tiem ir COI Ceramics Inc ra\u017eot\u0101s Sylramic SiC \u0161\u0137iedras, kas iepakotas 3 collu kartona spol\u0113s; t\u0101s var aust vai sal\u012bm\u0113t lentu veid\u0101 atbilsto\u0161i individu\u0101l\u0101m klientu pras\u012bb\u0101m, izmantojot da\u017e\u0101dus au\u0161anas mode\u013cus; turkl\u0101t t\u0101s ir pieejamas da\u017e\u0101dos izm\u0113ros un garumos, nodro\u0161inot maksim\u0101lu elast\u012bgumu.<\/p>","protected":false},"excerpt":{"rendered":"
Based on its form, the silicon carbide fiber market can be divided into continuous and woven silicon carbide fiber products. […]<\/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-106","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\/106","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=106"}],"version-history":[{"count":1,"href":"https:\/\/siliconcarbideceramic.net\/lv\/wp-json\/wp\/v2\/posts\/106\/revisions"}],"predecessor-version":[{"id":107,"href":"https:\/\/siliconcarbideceramic.net\/lv\/wp-json\/wp\/v2\/posts\/106\/revisions\/107"}],"wp:attachment":[{"href":"https:\/\/siliconcarbideceramic.net\/lv\/wp-json\/wp\/v2\/media?parent=106"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/siliconcarbideceramic.net\/lv\/wp-json\/wp\/v2\/categories?post=106"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/siliconcarbideceramic.net\/lv\/wp-json\/wp\/v2\/tags?post=106"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}