Silisyum karb\u00fcr (SiC), geni\u015f end\u00fcstriyel uygulamalara sahip, sentetik olarak \u00fcretilen son derece sert bir kristal bile\u015fiktir. SiC, Mohs mineral sertli\u011fi \u00f6l\u00e7e\u011finde 9,5'tir - bu a\u00e7\u0131dan elmastan sonra ikinci s\u0131radad\u0131r.<\/p>\n
Seramik elyaflar, ek a\u015f\u0131nma direnci i\u00e7in kaplanarak veya kaplanarak ek a\u015f\u0131nma direnci sa\u011flad\u0131klar\u0131 geli\u015fmi\u015f refrakter malzemelerde ve fonksiyonel seramiklerde ayr\u0131lmaz bir rol oynamaktad\u0131r.<\/p>\n
Siyah silisyum karb\u00fcr ve K-karb\u00fcr olarak da adland\u0131r\u0131lan silisyum karb\u00fcr, ola\u011fan\u00fcst\u00fc mukavemet, sertlik ve kimyasal inertli\u011fe sahip oksit olmayan seramik bir malzemedir. Kristal kafeslerde silikon atomlar\u0131yla kovalent olarak ba\u011flanm\u0131\u015f karbon atomlar\u0131ndan olu\u015fan silisyum karb\u00fcr, k\u00fcbik, alt\u0131gen ve rombohedral kristal yap\u0131lara yol a\u00e7an \u00e7e\u015fitli istifleme dizileriyle polimorfizm sergiler.<\/p>\n
SiC, Mohs \u00f6l\u00e7e\u011finde 9,5 olarak derecelendirilen mevcut en sert malzemelerden biridir - bor karb\u00fcr (9,5) ve elmastan (10) sonra ikinci s\u0131radad\u0131r. M\u00fckemmel a\u015f\u0131nma direnci sunar ve k\u0131r\u0131lmas\u0131 veya hasar g\u00f6rmesi son derece zordur; ayr\u0131ca y\u00fcksek s\u0131cakl\u0131klara dayanabilmesi onu end\u00fcstriyel uygulamalar i\u00e7in uygun hale getirir.<\/p>\n
Al\u00fcminyum oksit, sertli\u011fi nedeniyle a\u015f\u0131nd\u0131r\u0131c\u0131larda, d\u00fc\u015f\u00fck termal genle\u015fme ve s\u00fcr\u00fcnme direnci nedeniyle refrakterlerde ve seramiklerde, \u00fcst\u00fcn elektriksel \u00f6zellikleri nedeniyle elektronikte ve radyasyon hasar\u0131na kar\u015f\u0131 direnci nedeniyle n\u00fckleer reakt\u00f6rlerde yayg\u0131n olarak kullan\u0131lmaktad\u0131r.<\/p>\n
Ticari olarak silisyum karb\u00fcr, toz haline getirilmi\u015f silisyum ve karbonun a\u015f\u0131r\u0131 bas\u0131n\u00e7 alt\u0131nda kat\u0131 bir k\u00fctle halinde s\u0131k\u0131\u015ft\u0131r\u0131ld\u0131\u011f\u0131 sinterleme yoluyla \u00fcretilir. T\u00fcpler veya plakalar\/bloklar \u015feklinde i\u015flendikten sonra, end\u00fcstriyel proses ekipmanlar\u0131nda ve modern lapidaryde nihai uygulamalar i\u00e7in daha fazla i\u015flenebilir. Dayan\u0131kl\u0131l\u0131\u011f\u0131 ve nispeten ucuz fiyat noktas\u0131 nedeniyle modern lapidaryerler aras\u0131nda pop\u00fcler bir se\u00e7im olmaya devam etmektedir.<\/p>\n
Silisyum Karb\u00fcr (SiC) Mohs \u00f6l\u00e7e\u011finde 9 sertlik derecesine sahip son derece sert bir malzemedir ve m\u00fckemmel termal genle\u015fme \u00f6zelliklerine, asitlere ve alkalilere kar\u015f\u0131 kimyasal dirence, y\u00fcksek s\u0131cakl\u0131k tolerans\u0131na, korozyon ve termal \u015fok direncine sahiptir. SiC ayn\u0131 zamanda \u00e7ok yo\u011fun bir yap\u0131ya sahiptir ve bu da onu yo\u011fun ama sa\u011flam bir malzeme haline getirmektedir.<\/p>\n
Moissanite do\u011fal olarak nadir bir mineral olan moissanite olarak bulunabilir; ancak 1893'ten beri hem a\u015f\u0131nd\u0131r\u0131c\u0131 toz formunda hem de de\u011ferli ta\u015f olarak kullan\u0131lmak \u00fczere b\u00fcy\u00fck tek kristaller halinde seri olarak \u00fcretilmektedir. Ta\u015flama, kesme ve i\u015fleme gibi dayan\u0131kl\u0131 end\u00fcstriyel uygulamalar\u0131n yan\u0131 s\u0131ra par\u00e7alar\u0131 g\u00fc\u00e7lendirmek ve stabilize etmek i\u00e7in seramik ba\u011flay\u0131c\u0131 g\u00f6revi g\u00f6rd\u00fc\u011f\u00fc metal matrisli kompozitlerde yayg\u0131n olarak kullan\u0131lan mozanit, \u00fcreticiler ve m\u00fchendisler i\u00e7in hayat\u0131 kolayla\u015ft\u0131ran \u00e7ok y\u00f6nl\u00fc bir bile\u015fen oldu\u011funu kan\u0131tlam\u0131\u015ft\u0131r.<\/p>\n
Silisyum karb\u00fcr, kumlama veya darbeye maruz kald\u0131\u011f\u0131nda par\u00e7alanmayarak bir a\u015f\u0131nd\u0131r\u0131c\u0131 olarak benzerlerinden ayr\u0131l\u0131r, bu da onu \u00f6zellikle tekerlekler gibi end\u00fcstriyel z\u0131mparalama ekipmanlar\u0131 i\u00e7in uygun hale getirir. Ayr\u0131ca, keskin sert kenarlar\u0131 ta\u015flama ve d\u00fczle\u015ftirme amac\u0131yla s\u00fcrekli olarak yeni y\u00fczeyler ortaya \u00e7\u0131kard\u0131\u011f\u0131ndan, kaya yuvarlama kuyumcular\u0131 bu a\u015f\u0131nd\u0131r\u0131c\u0131y\u0131 b\u00fcy\u00fck bir ba\u015far\u0131yla kullanmaktad\u0131r. Siyah silisyum karb\u00fcr, bu kullan\u0131m i\u00e7in genellikle elektrikli i\u00e7 diren\u00e7 f\u0131r\u0131n\u0131nda \u00fcretilen ye\u015fil silisyum karb\u00fcre tercih edilir.<\/p>\n
Silisyum karb\u00fcr\u00fcn sertlik, kimyasal inertlik ve termal kararl\u0131l\u0131k kombinasyonu, onu a\u015f\u0131nma ve a\u015f\u0131nmaya kar\u015f\u0131 diren\u00e7 gerektiren uygulamalar i\u00e7in m\u00fckemmel bir malzeme se\u00e7imi haline getirir. Korozyona, erozyona ve s\u00fcrt\u00fcnme a\u015f\u0131nmas\u0131na etkili bir \u015fekilde dayanmas\u0131n\u0131n yan\u0131 s\u0131ra iyi bir boyutsal kararl\u0131l\u0131\u011fa sahiptir ve y\u00fcksek s\u0131cakl\u0131klara kusursuz bir \u015fekilde dayan\u0131r.<\/p>\n
Korindon sertli\u011fine g\u00f6re nispeten hafif oldu\u011fundan, seramik mukavemetinden \u00f6d\u00fcn vermeden a\u015f\u0131nd\u0131r\u0131c\u0131 uygulamalarda kullan\u0131labilir. Ayr\u0131ca, korindon hem \u0131slak hem de kuru z\u0131mparalamada iyi \u00e7al\u0131\u015fan ideal bir a\u015f\u0131nd\u0131r\u0131c\u0131d\u0131r; \u00e7e\u015fitli kum se\u00e7enekleri ile metal \u00e7apaklar\u0131n\u0131n al\u0131nmas\u0131, ta\u015f ve mermer y\u00fczeylerin parlat\u0131lmas\u0131 ve metal bile\u015fenlerden pas\u0131n \u00e7\u0131kar\u0131lmas\u0131 ve \u00e7apaklar\u0131n al\u0131nmas\u0131 i\u00e7in m\u00fckemmel bir ara\u00e7t\u0131r.<\/p>\n
Silisyum Karb\u00fcr, d\u00fc\u015f\u00fck ka\u00e7ak ak\u0131mlar\u0131 ve a\u00e7\u0131k durum direnci nedeniyle elektrik uygulamalar\u0131 i\u00e7in \u00e7ok uygundur, bu da onu di\u011fer y\u00fcksek voltajl\u0131 cihazlara ek olarak diyotlar ve transist\u00f6rler gibi yar\u0131 iletken bile\u015fenlerin \u00fcretimi i\u00e7in m\u00fckemmel bir malzeme haline getirir.<\/p>\n
Silisyum karb\u00fcr\u00fcn kullan\u0131m\u0131 genellikle tehlikeli de\u011fildir; ancak z\u0131mparalama veya ta\u015flama i\u015flemleri s\u0131ras\u0131nda solundu\u011funda tozu zehirli olabilir; toz silisyum karb\u00fcr ile \u00e7al\u0131\u015f\u0131rken maruziyeti en aza indirmek i\u00e7in uygun koruyucu ekipman giymek ve \u00e7al\u0131\u015fma alan\u0131n\u0131z\u0131 uygun \u015fekilde havaland\u0131rmak ak\u0131ll\u0131ca olacakt\u0131r. Ayn\u0131 zamanda k\u0131r\u0131lgan oldu\u011fundan, aletlerle keserken veya \u015fekillendirirken \u00f6zel dikkat gerektirir; \u00f6zellikle heykel veya m\u00fccevher gibi k\u00fc\u00e7\u00fck detayl\u0131 par\u00e7alar olu\u015fturmak i\u00e7in kullan\u0131ld\u0131\u011f\u0131nda \u00f6nemlidir.<\/p>","protected":false},"excerpt":{"rendered":"
Silicon carbide (SiC) is an extremely hard synthetically produced crystalline compound with wide industrial applications. SiC ranks 9.5 on Mohs […]<\/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-44","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\/44","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=44"}],"version-history":[{"count":1,"href":"https:\/\/siliconcarbideceramic.net\/tr\/wp-json\/wp\/v2\/posts\/44\/revisions"}],"predecessor-version":[{"id":45,"href":"https:\/\/siliconcarbideceramic.net\/tr\/wp-json\/wp\/v2\/posts\/44\/revisions\/45"}],"wp:attachment":[{"href":"https:\/\/siliconcarbideceramic.net\/tr\/wp-json\/wp\/v2\/media?parent=44"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/siliconcarbideceramic.net\/tr\/wp-json\/wp\/v2\/categories?post=44"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/siliconcarbideceramic.net\/tr\/wp-json\/wp\/v2\/tags?post=44"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}