Silisyum karb\u00fcr (SiC), silika ve karbondan olu\u015fan inorganik bir kimyasal bile\u015fiktir ve ilk kez 1893 y\u0131l\u0131ndan beri a\u015f\u0131nd\u0131r\u0131c\u0131 malzeme olarak kullan\u0131lmak \u00fczere ticari olarak seri \u00fcretilmektedir. SiC do\u011fal olarak mozanit minerali olarak bulunurken, bu tarihten sonra a\u015f\u0131nd\u0131r\u0131c\u0131 \u00fcr\u00fcnlerde toplu t\u00fcketim i\u00e7in toz ve kristal formlar\u0131nda kullan\u0131lmak \u00fczere seri \u00fcretime ba\u015flanm\u0131\u015ft\u0131r.<\/p>\n
Cerakote seramik malzeme en sert ve en hafif seramik se\u00e7eneklerinden biridir ve \u00fcst\u00fcn korozyon, a\u015f\u0131nma ve erozyon direncinin yan\u0131 s\u0131ra a\u015f\u0131r\u0131 s\u0131cakl\u0131klara da dayan\u0131r.<\/p>\n
Silisyum karb\u00fcr (SiC), y\u00fcksek korozyon direnci ve termal genle\u015fme \u00f6zelliklerine sahip son derece sert ve esnek bir malzemedir, elektrik yal\u0131tkan\u0131 olarak hizmet ederken asitlere ve lityumlara kar\u015f\u0131 dayan\u0131kl\u0131d\u0131r.<\/p>\n
SiC, D\u00fcnya'da mozanit minerali olarak, uzayda ise karbon zengini y\u0131ld\u0131zlar\u0131n y\u0131ld\u0131z tozlar\u0131 olarak bol miktarda bulunur. SiC, kimyasal \u00fcretim, ka\u011f\u0131t imalat\u0131 ve pompa ve tahrik sistemleri i\u00e7in bile\u015fenler dahil olmak \u00fczere end\u00fcstrilerde yayg\u0131n bir uygulama alan\u0131 bulmaktad\u0131r. Ayr\u0131ca, s\u00fcrt\u00fcnmeli rulmanlar veya mekanik salmastralar kullanan dinamik s\u0131zd\u0131rmazl\u0131k teknolojileri, zorlu ko\u015fullar alt\u0131nda \u00fcst\u00fcn g\u00fcvenilirlikleri nedeniyle genellikle metal muadillerine tercih edilir.<\/p>\n
Wurtzite benzer hekzagonal kristal yap\u0131s\u0131yla alfa silisyum karb\u00fcr (a-SiC) en yayg\u0131n kullan\u0131lan t\u00fcrd\u00fcr. \u00c7inko blende kristal yap\u0131s\u0131na sahip beta a-SiC mevcut olmas\u0131na ra\u011fmen, ticari uygulamas\u0131 s\u0131n\u0131rl\u0131 kalmaktad\u0131r.<\/p>\n
Silisyum karb\u00fcr\u00fcn bir malzeme olarak \u00e7ok y\u00f6nl\u00fcl\u00fc\u011f\u00fc, \u00f6ncelikle onu havac\u0131l\u0131k, enerji teknolojisi ve kimyasal \u00fcretim uygulamalar\u0131 i\u00e7in uygun hale getiren y\u00fcksek termal iletkenlik, d\u00fc\u015f\u00fck termal genle\u015fme ve y\u00fcksek erime noktas\u0131 gibi ola\u011fan\u00fcst\u00fc termal \u00f6zelliklerinden kaynaklanmaktad\u0131r.<\/p>\n
M\u00fckemmel korozyon direnci, asit ve alkali kimyasallar\u0131n yan\u0131 s\u0131ra 1600 \u00b0 C'ye kadar s\u0131cakl\u0131klara kar\u015f\u0131 diren\u00e7 de dahil olmak \u00fczere bu malzemeyi di\u011ferlerinden ay\u0131r\u0131r. Bu nedenle, \u00e7atlamadan veya par\u00e7alanmadan \u015fiddetli termal \u015foka dayanmas\u0131 gereken rulmanlar, nozullar, yanmal\u0131 motor bile\u015fenleri ve elektrikli ara\u00e7 par\u00e7alar\u0131 i\u00e7in ideal bir se\u00e7imdir.<\/p>\n
American Elements, yar\u0131 iletken, havac\u0131l\u0131k, otomotiv, savunma elektroni\u011fi ayd\u0131nlatma ka\u011f\u0131t \u00e7elik end\u00fcstrileri i\u00e7in geni\u015f bir standart ve \u00f6zel s\u0131n\u0131f malzeme yelpazesi sunmaktad\u0131r. Ara\u015ft\u0131rma ve kalite kontrol ama\u00e7l\u0131 numuneler mevcut olup makro ve mikro kum boyutland\u0131rma da sunulmaktad\u0131r. American Elements'in a-SiC'i kimyasal olarak saf ve y\u00fcksek y\u0131\u011f\u0131n yo\u011funlu\u011funa sahipken, kimyasal temizleme s\u00fcrecimiz onu belirli FEPA boyutlar\u0131n\u0131n yan\u0131 s\u0131ra ACS Reaktif S\u0131n\u0131f\u0131 standartlar\u0131n\u0131 kar\u015f\u0131layacak \u015fekilde elemektedir.<\/p>\n
Silisyum karb\u00fcr, nispeten d\u00fc\u015f\u00fck yo\u011funlu\u011funa (3,2 g\/cm3) ra\u011fmen ola\u011fan\u00fcst\u00fc i\u015flenebilirlik ve elektrik iletkenli\u011finin yan\u0131 s\u0131ra \u00e7o\u011fu asit, tuz ve alkaliye kar\u015f\u0131 diren\u00e7 g\u00f6sterir.<\/p>\n
Geni\u015f bant aral\u0131kl\u0131 bir yar\u0131 iletken olan GaN, m\u00fckemmel bir yal\u0131tkan olmas\u0131n\u0131n yan\u0131 s\u0131ra y\u00fcksek termal iletkenlik ve elektrik alan k\u0131r\u0131lma g\u00fcc\u00fc sergiler.<\/p>\n
SiC poli tipleri, kristal kafeslerindeki atomik d\u00fczenlemeler nedeniyle temel elektriksel \u00f6zelliklerinde \u00f6nemli \u00f6l\u00e7\u00fcde farkl\u0131l\u0131k g\u00f6sterir ve her biri \u00fc\u00e7 temel kategoride silikon ile kar\u015f\u0131la\u015ft\u0131r\u0131ld\u0131\u011f\u0131nda belirli avantajlar ve dezavantajlar sunar - termal iletkenlik, elektrik alan\u0131 k\u0131r\u0131lma g\u00fcc\u00fc ve enerji bant aral\u0131\u011f\u0131.<\/p>\n
SiC \u00e7e\u015fitli formlarda bulunur. Alfa formlar\u0131 Wurtzite benzer alt\u0131gen kristal yap\u0131lara sahipken beta formlar\u0131 \u00e7inko blende kristal yap\u0131lara sahiptir ve kataliz\u00f6r deste\u011fi olarak da kullan\u0131labilir. 1-5mol% aras\u0131nda C ve Si ilaveleri i\u00e7eren stokiyometrik olmayan SiC, k\u0131v\u0131lc\u0131m plazma sinterleme yoluyla olu\u015fturulmu\u015f ve d\u00fc\u015f\u00fck elektriksel diren\u00e7 ile tutarl\u0131 bir mikro yap\u0131 g\u00f6stermi\u015ftir; Seebeck katsay\u0131s\u0131, artan C miktarlar\u0131 ile n-tipinden p-tipine de\u011fi\u015fmi\u015ftir, bu da kafes yap\u0131s\u0131 i\u00e7inde olu\u015fan C ve Si aras\u0131nda kat\u0131 \u00e7\u00f6zeltiler olu\u015ftu\u011funu g\u00f6stermektedir.<\/p>\n
Silisyum Karb\u00fcr, \u00e7o\u011fu m\u00fchendislik serami\u011fine k\u0131yasla \u00fcst\u00fcn sertlik, s\u00fcneklik ve korozyona ve kimyasal sald\u0131r\u0131lara kar\u015f\u0131 dirence sahiptir. Mevcut en sert m\u00fchendislik seramiklerinden biri olarak, y\u00fcksek s\u0131cakl\u0131klara ve mekanik strese dayanabilir ve y\u00fcksek Young mod\u00fcl\u00fc de\u011feri sayesinde iyi boyutsal stabilite sa\u011flayabilir.<\/p>\n
Al\u00fcminyum, \u015foklara ve titre\u015fimlere kar\u015f\u0131 en kararl\u0131 malzemelerden biridir, bu da onu a\u015f\u0131nd\u0131r\u0131c\u0131lar ve di\u011fer y\u00fcksek teknoloji uygulamalar\u0131 gibi y\u00fcksek performansl\u0131 uygulamalar i\u00e7in uygun bir malzeme haline getirir. Ayr\u0131ca, termal iletkenli\u011fi, d\u00fc\u015f\u00fck genle\u015fme katsay\u0131s\u0131 ve asitlere ve lityumlara kar\u015f\u0131 direnci onu m\u00fckemmel bir se\u00e7im haline getirir.<\/p>\n
American Elements, Mil Spec (askeri s\u0131n\u0131f), ACS Reaktif S\u0131n\u0131f\u0131 Teknik S\u0131n\u0131f G\u0131da Farmas\u00f6tik S\u0131n\u0131f\u0131 ve USP\/BP paketleme \u00e7\u00f6z\u00fcmleri gibi \u00e7ok say\u0131da sekt\u00f6r ve uygulamada kullan\u0131lmak \u00fczere kat\u0131 end\u00fcstri ve uygulamaya \u00f6zel standartlara g\u00f6re \u00fcretilmi\u015f \u00e7e\u015fitli y\u00fcksek safl\u0131kta silisyum karb\u00fcr tozu \u00fcr\u00fcnleri sunmaktad\u0131r - daha fazla ayr\u0131nt\u0131 i\u00e7in l\u00fctfen ekibimize ula\u015f\u0131n; t\u00fcm s\u0131n\u0131flar, gerekti\u011finde \u00f6zel paketleme ile ge\u00e7erli ASTM test standartlar\u0131n\u0131 kar\u015f\u0131lar - tipik ve \u00f6zel paketleme istek \u00fczerine mevcuttur - American Elements m\u00fc\u015fterilerine benzersiz m\u00fc\u015fteri hizmetleri sunarken kaliteli \u00fcr\u00fcnler sunmaya \u00e7al\u0131\u015ft\u0131\u011f\u0131ndan l\u00fctfen hemen ula\u015f\u0131n!<\/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\/tr\/wp-json\/wp\/v2\/posts\/76","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/siliconcarbideceramic.net\/tr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/siliconcarbideceramic.net\/tr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/siliconcarbideceramic.net\/tr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/siliconcarbideceramic.net\/tr\/wp-json\/wp\/v2\/comments?post=76"}],"version-history":[{"count":1,"href":"https:\/\/siliconcarbideceramic.net\/tr\/wp-json\/wp\/v2\/posts\/76\/revisions"}],"predecessor-version":[{"id":77,"href":"https:\/\/siliconcarbideceramic.net\/tr\/wp-json\/wp\/v2\/posts\/76\/revisions\/77"}],"wp:attachment":[{"href":"https:\/\/siliconcarbideceramic.net\/tr\/wp-json\/wp\/v2\/media?parent=76"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/siliconcarbideceramic.net\/tr\/wp-json\/wp\/v2\/categories?post=76"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/siliconcarbideceramic.net\/tr\/wp-json\/wp\/v2\/tags?post=76"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}