Silisyum karb\u00fcr (SiC), a\u015f\u0131nd\u0131r\u0131c\u0131 malzeme, yar\u0131 iletken malzeme olarak ve termal ve mekanik \u00f6zellikleri i\u00e7in yayg\u0131n olarak kullan\u0131lan silikon ve karbondan olu\u015fan kristal bir bile\u015fiktir. SiC ayn\u0131 zamanda elektrikli ara\u00e7 g\u00fc\u00e7 elektroni\u011fi sistemleri s\u00f6z konusu oldu\u011funda hem boyutu hem de a\u011f\u0131rl\u0131\u011f\u0131 azaltmaya yard\u0131mc\u0131 olan m\u00fckemmel bir y\u00fcksek voltaj malzemesidir.<\/p>\n
Sentetik mozanit, nadir bulunan mozanit minerali \u015feklinde do\u011fal olarak da olu\u015fabilir. Elmas\u0131n sertli\u011fine yakla\u015fan 8-9 Mohs derecesine sahip sert, dayan\u0131kl\u0131 bir malzemedir.<\/p>\n
Silisyum Karb\u00fcr (SiC), sertli\u011fi nedeniyle a\u015f\u0131nmaya dayan\u0131kl\u0131 par\u00e7alarda, \u0131s\u0131l direnci nedeniyle refrakter ve seramiklerde, y\u00fcksek voltajl\u0131 ortamlarda silisyumdan daha \u00fcst\u00fcn performans\u0131 nedeniyle elektronik cihazlarda ve ayr\u0131ca daha y\u00fcksek voltaj ve h\u0131zlarda \u00e7al\u0131\u015fan g\u00fc\u00e7 elektroni\u011finde yayg\u0131n olarak kullan\u0131lan oksit olmayan seramik bir malzemedir. SiC, silikon muadillerine g\u00f6re daha geni\u015f bir bant aral\u0131\u011f\u0131na sahip oldu\u011fundan, g\u00fc\u00e7 elektroni\u011fi uygulamalar\u0131nda da yar\u0131 iletken malzeme olarak bulunabilir.<\/p>\n
SiC, karbon ve silikon atomlar\u0131 aras\u0131ndaki g\u00fc\u00e7l\u00fc kovalent ba\u011flar sayesinde son derece sert bir malzemedir ve inan\u0131lmaz mukavemeti a\u00e7\u0131s\u0131ndan bor karb\u00fcr ve elmastan sonra ikinci s\u0131radad\u0131r. Hidroklorik veya s\u00fclf\u00fcrik asit \u00e7\u00f6zeltilerinde \u0131s\u0131t\u0131ld\u0131\u011f\u0131nda bile kimyasal olarak inert ve korozyona dayan\u0131kl\u0131 olan SiC ayr\u0131ca uzun s\u00fcreli depolama ama\u00e7lar\u0131 i\u00e7in ortam s\u0131cakl\u0131\u011f\u0131n\u0131 korumas\u0131n\u0131 sa\u011flayan ola\u011fan\u00fcst\u00fc termal iletkenlik sergiler.<\/p>\n
SiC, Si atomlar\u0131n\u0131n fiziksel buhar biriktirme reakt\u00f6r\u00fcnde karbon ile reaksiyona sokulmas\u0131yla veya geleneksel seramik \u015fekillendirme y\u00f6ntemleri kullan\u0131larak saf tozun sinterlenmesiyle \u00fcretilebilir. Olu\u015fum y\u00f6nteminin se\u00e7imi, reaksiyona ba\u011fl\u0131 (a-SiC) ve sinterlenmi\u015f (4H-SiC) \u00e7e\u015fitlerin farkl\u0131 fiziksel \u00f6zelliklere sahip olmas\u0131yla birlikte nihai mikro yap\u0131s\u0131n\u0131 b\u00fcy\u00fck \u00f6l\u00e7\u00fcde etkiler.<\/p>\n
Silisyum karb\u00fcr, etkili bir a\u015f\u0131nd\u0131r\u0131c\u0131 olarak kullan\u0131lan sert ve sert bir seramik maddedir. Al\u00fcminyum oksitten daha sert ve keskin olmas\u0131, silisyum karb\u00fcr\u00fc demir d\u0131\u015f\u0131 metaller ve baz\u0131 ah\u015faplar gibi sert malzemelerin ta\u015flanmas\u0131 i\u00e7in ideal bir se\u00e7im haline getirir; ayr\u0131ca \u0131slak parlatma uygulamalar\u0131nda da iyi \u00e7al\u0131\u015f\u0131r.<\/p>\n
Silisyum dioksit (SiO2), silika ve karbon kar\u0131\u015f\u0131m\u0131n\u0131n elektrikli bir f\u0131r\u0131nda reaksiyona sokulmas\u0131 ve piroliz edilmesiyle olu\u015fturulur. Bir kez olu\u015fturulduktan sonra, bu malzeme siyah veya ye\u015filden \u00e7e\u015fitli tonlarda gelir ve hatta davran\u0131\u015f\u0131n\u0131 bir yar\u0131 iletkene d\u00f6n\u00fc\u015ft\u00fcrmek i\u00e7in nitrojen veya bor ile katk\u0131lanabilir.<\/p>\n
Silisyum karb\u00fcr malzeme, dayan\u0131kl\u0131l\u0131\u011f\u0131 ve di\u011fer nitelikleri nedeniyle, \u00f6zellikle kur\u015fun ge\u00e7irmez yelek seramik plakalar\u0131 gibi y\u00fcksek dayan\u0131kl\u0131l\u0131k gerektiren uygulamalar olmak \u00fczere \u00e7e\u015fitli end\u00fcstriler taraf\u0131ndan kullan\u0131labilir. Ayr\u0131ca silisyum karb\u00fcr, tungsten karb\u00fcr veya elmas gibi benzer a\u015f\u0131nd\u0131r\u0131c\u0131lara k\u0131yasla y\u00fcksek termal ve kimyasal direncin yan\u0131 s\u0131ra d\u00fc\u015f\u00fck termal genle\u015fmeye sahiptir.<\/p>\n
Silisyum karb\u00fcr, Mohs \u00f6l\u00e7e\u011finde dokuz sertlik derecesine sahip son derece sert bir malzemedir ve onu dokuzlu al\u00fcmina ile 10'lu elmas aras\u0131na yerle\u015ftirir. Ayr\u0131ca, silisyum karb\u00fcr y\u00fcksek termal iletkenlik, d\u00fc\u015f\u00fck termal genle\u015fme oranlar\u0131 ve termal \u015foka kar\u015f\u0131 b\u00fcy\u00fck diren\u00e7 \u00f6zelliklerine sahiptir - bu \u00f6zellikler onu elektrikli ara\u00e7lar\u0131n \u00e7eki\u015f invert\u00f6rlerinde kullan\u0131lan invert\u00f6rler gibi g\u00fc\u00e7 elektroni\u011fi i\u00e7in uygun hale getirir - geni\u015f bant aral\u0131\u011f\u0131, elektrik enerjisini geleneksel silikon cihazlardan daha verimli bir \u015fekilde aktarmas\u0131n\u0131 sa\u011flar.<\/p>\n
Silisyum karb\u00fcr\u00fcn mozanitten fark\u0131, tanelerinin y\u00fcksek s\u0131cakl\u0131klar ve bas\u0131n\u00e7 alt\u0131nda \u00e7e\u015fitli binerlerle sinterlenerek serami\u011fe d\u00f6n\u00fc\u015ft\u00fcr\u00fclebilmesidir. 1893'ten beri a\u015f\u0131nd\u0131r\u0131c\u0131 olarak seri \u00fcretime izin veren silisyum karb\u00fcr, genellikle araba frenleri veya debriyajlar, \u0131\u015f\u0131k yayan diyotlar (LED'ler) ve yar\u0131 iletken elektronik cihazlardaki dedekt\u00f6rler gibi y\u00fcksek dayan\u0131kl\u0131l\u0131k gerektiren uygulamalarda kullan\u0131l\u0131r.<\/p>\n
SiC, farkl\u0131 kristal yap\u0131lara ve fiziksel \u00f6zelliklere sahip \u00e7e\u015fitli polimorflarda bulunabilir. Elektronik uygulamalar tipik olarak Wurtzite veya zinc blende benzeyen alt\u0131gen kristal yap\u0131s\u0131 ile 4H-SiC polimorfunu tercih eder.<\/p>\n
Silisyum Karb\u00fcr (SiC), y\u00fcksek s\u0131cakl\u0131ktaki mekanik uygulamalar ve yar\u0131 iletkenler de dahil olmak \u00fczere elektronik \u00fcretiminde yayg\u0131n olarak kullan\u0131lan oksit olmayan seramik bir malzemedir. SiC, d\u00fc\u015f\u00fck termal genle\u015fme katsay\u0131s\u0131 ile son derece y\u00fcksek bir erime noktas\u0131na sahiptir, ayr\u0131ca kimyasal olarak inerttir ve mukavemeti, sertli\u011fi ve dayan\u0131kl\u0131l\u0131\u011f\u0131, kazan f\u0131r\u0131n duvarlar\u0131, kontrol tu\u011flalar\u0131 susturucular\u0131 ve f\u0131r\u0131n k\u0131zak raylar\u0131 gibi y\u00fcksek gerilme mukavemetli refrakterler gerektiren a\u015f\u0131nd\u0131r\u0131c\u0131 p\u00fcsk\u00fcrtme gibi uygulamalarda yararl\u0131 olmas\u0131n\u0131 sa\u011flar.<\/p>\n
Silisyum karb\u00fcr (Karborundum), tetrahedral olarak d\u00fczenlenmi\u015f silikon ve karbon tetrahedralardan olu\u015fan sert ve k\u0131r\u0131lgan bir mineraldir. Sadece meteoritlerde ve kimberlit yataklar\u0131nda eser miktarda bulunan SiC, genellikle end\u00fcstriyel kullan\u0131m i\u00e7in sentetik olarak \u00fcretilir. SiC tipik olarak saf haliyle bir yal\u0131tkand\u0131r, ancak iletkenli\u011fi, polariteyi ve iletkenli\u011fi kontrol etmek i\u00e7in safs\u0131zl\u0131klarla katk\u0131lanarak yar\u0131 iletken \u00f6zellikler sergilemek \u00fczere katk\u0131lanabilir ve p-n ba\u011flant\u0131 transist\u00f6rleri, Schottky bariyer diyotlar\u0131 ve MOSFET'ler gibi elektronik devrelerde elektron ta\u015f\u0131y\u0131c\u0131 cihaz olarak hareket etmesine izin verir.<\/p>\n
Silisyum karb\u00fcr (SiC), \u00e7ok say\u0131da istenen \u00f6zelli\u011fe sahip, son derece dayan\u0131kl\u0131, oksit olmayan bir seramiktir. Bunlar aras\u0131nda SiC, elektrikli ara\u00e7lara g\u00fc\u00e7 sa\u011flamak da dahil olmak \u00fczere y\u00fcksek voltaj uygulamalar\u0131 i\u00e7in idealdir; bant aral\u0131\u011f\u0131 \u00e7o\u011fu silikon yar\u0131 iletkenden daha geni\u015ftir, bu da onu daha y\u00fcksek voltajlara daha uygun hale getirir.<\/p>\n
Silisyum karb\u00fcr (CNC) \u015fimdiye kadar g\u00f6r\u00fclen en sert malzemelerden biridir ve hassas kesimler i\u00e7in elmas u\u00e7lu b\u0131\u00e7aklar gerektirir. Ayr\u0131ca, termal iletkenli\u011fi verimlili\u011fi art\u0131r\u0131rken bir ara\u00e7taki batarya paketi boyutunu azalt\u0131r.<\/p>\n
Modern silisyum karb\u00fcr \u00fcretimi, saf SiC'nin toz haline getirilmesini, oksit olmayan sinterleme yard\u0131mc\u0131lar\u0131yla kar\u0131\u015ft\u0131r\u0131lmas\u0131n\u0131 ve s\u0131cakl\u0131k ve bas\u0131n\u00e7ta s\u0131k\u0131\u015ft\u0131r\u0131lmas\u0131n\u0131 i\u00e7erir. Silisyum gofret \u00fcretiminin bir par\u00e7as\u0131 olarak kimyasal buhar biriktirme de kullan\u0131labilir; bu b\u00fcy\u00fck miktarda enerji, ekipman ve bilgi gerektirir. Acheson'un orijinal s\u00fcreci g\u00fcn\u00fcm\u00fczde sentetik silisyum karb\u00fcr \u00fcretimi i\u00e7in standart olmaya devam etmektedir.<\/p>\n
Silisyum karb\u00fcr, otomotiv frenleri ve debriyajlar\u0131ndan kur\u015fun ge\u00e7irmez yeleklere kadar end\u00fcstriyel ortamlarda olduk\u00e7a ra\u011fbet g\u00f6rmesini sa\u011flayan \u00e7ok say\u0131da faydal\u0131 \u00f6zelli\u011fe sahip inert bir seramiktir. Silisyum karb\u00fcr y\u00fcksek s\u0131cakl\u0131klara, a\u015f\u0131nd\u0131r\u0131c\u0131 ko\u015fullara, d\u00fc\u015f\u00fck termal genle\u015fme oranlar\u0131na kar\u015f\u0131 \u00fcst\u00fcn diren\u00e7 g\u00f6stermesinin yan\u0131 s\u0131ra korozyona kar\u015f\u0131 da son derece dayan\u0131kl\u0131d\u0131r. Silisyum karb\u00fcr\u00fcn \u00e7ok y\u00f6nl\u00fcl\u00fc\u011f\u00fc, tarihi boyunca fren balatalar\u0131 ve kur\u015fun ge\u00e7irmez yelekler de dahil olmak \u00fczere bir\u00e7ok end\u00fcstriyel kullan\u0131m g\u00f6rm\u00fc\u015ft\u00fcr.<\/p>\n
Silika kumu ve karbon kar\u0131\u015f\u0131m\u0131n\u0131n elektrik ak\u0131m\u0131 kullan\u0131larak tu\u011fla elektrik diren\u00e7 tipi bir f\u0131r\u0131nda \u0131s\u0131t\u0131lmas\u0131yla silika karb\u00fcr \u00fcretilebilir. \u00dcretildikten sonra elmasa benzeyen parlak ye\u015fil kristaller olu\u015fturulabilir ve daha sonra yar\u0131 iletken dereceli silisyum karb\u00fcr elde etmek i\u00e7in safla\u015ft\u0131r\u0131labilir.<\/p>\n
Silisyum karb\u00fcr yar\u0131 iletkenler, silikon muadillerine g\u00f6re daha b\u00fcy\u00fck bant aral\u0131klar\u0131na sahiptir ve elektronik cihazlar\u0131n g\u00fcvenilirlikten \u00f6d\u00fcn vermeden daha y\u00fcksek voltaj ve frekanslarda \u00e7al\u0131\u015fmas\u0131n\u0131 sa\u011flar - bu \u00f6zellik, elektrikli ara\u00e7lar i\u00e7in g\u00fc\u00e7 elektroni\u011fi ve gezici ara\u00e7lar ve uzay sondalar\u0131 \u00fczerindeki aletler gibi y\u00fcksek g\u00fc\u00e7l\u00fc uygulamalarda pop\u00fcler bir se\u00e7im haline getirmi\u015ftir.<\/p>","protected":false},"excerpt":{"rendered":"
Silicon carbide (SiC) is a crystalline compound comprised of silicon and carbon that’s commonly used as an abrasive material, semiconductor material and for its thermal and mechanical properties. SiC is also an excellent high-voltage material which helps reduce both size and weight when it comes to electric vehicle power electronics systems. Synthetic moissanite can also […]<\/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":"","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":[64],"tags":[],"class_list":["post-232","post","type-post","status-publish","format-standard","hentry","category-knowledge"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/ceramicatijolart.com\/tr\/wp-json\/wp\/v2\/posts\/232","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ceramicatijolart.com\/tr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ceramicatijolart.com\/tr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ceramicatijolart.com\/tr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ceramicatijolart.com\/tr\/wp-json\/wp\/v2\/comments?post=232"}],"version-history":[{"count":1,"href":"https:\/\/ceramicatijolart.com\/tr\/wp-json\/wp\/v2\/posts\/232\/revisions"}],"predecessor-version":[{"id":233,"href":"https:\/\/ceramicatijolart.com\/tr\/wp-json\/wp\/v2\/posts\/232\/revisions\/233"}],"wp:attachment":[{"href":"https:\/\/ceramicatijolart.com\/tr\/wp-json\/wp\/v2\/media?parent=232"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ceramicatijolart.com\/tr\/wp-json\/wp\/v2\/categories?post=232"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ceramicatijolart.com\/tr\/wp-json\/wp\/v2\/tags?post=232"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}