Karbid krem\u00edka je v\u00fdnimo\u010dn\u00fd keramick\u00fd materi\u00e1l, ktor\u00fd sa be\u017ene pou\u017e\u00edva v aplik\u00e1ci\u00e1ch vy\u017eaduj\u00facich vysok\u00e9 teploty v\u010faka svojej pevnosti, odolnosti proti kor\u00f3zii a tepelnej vodivosti.<\/p>\n
Rekry\u0161talizovan\u00fd karbid krem\u00edka sa vyr\u00e1ba procesom odparovania a koagul\u00e1cie a vyzna\u010duje sa otvorenou p\u00f3rovitos\u0165ou 11%-15%, v\u010faka \u010domu sa \u013eahko zahrieva s minim\u00e1lnym zmr\u0161\u0165ovan\u00edm, \u010d\u00edm sa eliminuj\u00fa mnoh\u00e9 nev\u00fdhody spojen\u00e9 s in\u00fdmi v\u00fdrobn\u00fdmi met\u00f3dami.<\/p>\n
Pr\u00edrodn\u00fd moissanit sa nach\u00e1dza len v stopov\u00fdch mno\u017estv\u00e1ch v meteoritoch, korunde alebo kimberlite; v\u0161etok komer\u010dn\u00fd SiC pred\u00e1van\u00fd na celom svete sa vyr\u00e1ba synteticky z \u010dist\u00e9ho krem\u00edka a uhl\u00edka taven\u00e9ho pri extr\u00e9mne vysok\u00fdch teplot\u00e1ch elektrick\u00fdm pr\u00fadom v elektrickej peci.<\/p>\n
Keramika z karbidu krem\u00edka m\u00e1 extr\u00e9mne n\u00edzky koeficient roz\u0165a\u017enosti, v\u010faka \u010domu je vhodn\u00e1 na zvl\u00e1danie teplotn\u00fdch zmien bez praskania alebo l\u00e1mania. Okrem toho sa tento materi\u00e1l m\u00f4\u017ee pochv\u00e1li\u0165 vynikaj\u00facou pevnos\u0165ou v ohybe a lomovou h\u00fa\u017eevnatos\u0165ou, \u010do znamen\u00e1, \u017ee dok\u00e1\u017ee odola\u0165 nam\u00e1haniu, ktor\u00e9 by in\u00e9 materi\u00e1ly mohlo rozbi\u0165.<\/p>\n
V\u010faka svojej jedine\u010dnej kombin\u00e1cii tepeln\u00fdch, mechanick\u00fdch a chemick\u00fdch vlastnost\u00ed sa RSiC vyu\u017e\u00edva v mnoh\u00fdch aplik\u00e1ci\u00e1ch v r\u00f4znych priemyseln\u00fdch odvetviach. Mo\u017eno ho n\u00e1js\u0165 v n\u00e1bytku pre pece a plynov\u00e9 hor\u00e1ky; filtroch pevn\u00fdch \u010dast\u00edc pre dieselov\u00e9 motory; tepeln\u00fdch v\u00fdmenn\u00edkoch a tepeln\u00fdch ochrann\u00fdch vest\u00e1ch - kde jeho vysok\u00e1 odolnos\u0165 vo\u010di n\u00e1razom umo\u017e\u0148uje, aby sa v\u00fdborne uplatnil ako nepriestreln\u00fd materi\u00e1l.<\/p>\n
Cementovan\u00e9 karbidy (CCE) vyroben\u00e9 z RSiC v kombin\u00e1cii s kovmi poskytuj\u00fa vy\u0161\u0161iu \u0161pecifick\u00fa pevnos\u0165 a modul pru\u017enosti ako \u010dist\u00fd kry\u0161talick\u00fd SiC. Spolo\u010dnos\u0165 Saint-Gobain Performance Ceramics & Refractories vyr\u00e1ba Hexoloy, \u010do je pokro\u010dil\u00fd kompozit RSiC a hlin\u00edka, ktor\u00fd sa pou\u017e\u00edva na v\u00fdrobu \u013eahk\u00fdch pancierov\u00fdch dosiek ur\u010den\u00fdch na odol\u00e1vanie s\u00fa\u010dasn\u00fdm a nov\u00fdm balistick\u00fdm hrozb\u00e1m.<\/p>\n
Vynikaj\u00faca tepeln\u00e1 vodivos\u0165 rekry\u0161talizovan\u00e9ho karbidu krem\u00edka z neho rob\u00ed vynikaj\u00faci \u017eiaruvzdorn\u00fd materi\u00e1l, ktor\u00fd sa pou\u017e\u00edva pri extr\u00e9mne vysok\u00fdch teplot\u00e1ch, s desa\u0165kr\u00e1t vy\u0161\u0161ou tepelnou vodivos\u0165ou ako \u0161amotov\u00e9 \u017eiaruvzdorn\u00e9 materi\u00e1ly a d\u00e1 sa \u013eahko formova\u0165 do zlo\u017eit\u00fdch tvarov. Okrem toho je v\u010faka svojej odolnosti vo\u010di kor\u00f3zii a \u00fatoku trosky ve\u013emi spo\u013eahliv\u00fd vo\u010di \u00fatoku trosky; karbid krem\u00edka viazan\u00fd nitridmi navy\u0161e pon\u00faka e\u0161te v\u00e4\u010d\u0161iu odolnos\u0165 vo\u010di tepeln\u00fdm \u0161okom a oxid\u00e1cii ako verzie viazan\u00e9 oxidmi.<\/p>\n
Rekry\u0161talizovan\u00fd karbid krem\u00edka je v\u010faka kombin\u00e1cii svojich vlastnost\u00ed neocenite\u013en\u00fdm materi\u00e1lom pou\u017e\u00edvan\u00fdm v modern\u00fdch technol\u00f3gi\u00e1ch na celom svete. Od energeticky \u00fa\u010dinn\u00fdch LED di\u00f3d a laserov a\u017e po automobily a pece; v\u0161ade tam, kde s\u00fa potrebn\u00e9 vysoko v\u00fdkonn\u00e9 materi\u00e1ly. Rekry\u0161talizovan\u00fd karbid krem\u00edka zohr\u00e1va v t\u00fdchto aplik\u00e1ci\u00e1ch \u00fastredn\u00fa \u00falohu.<\/p>\n
Nosn\u00edk z rekry\u0161talizovan\u00e9ho karbidu krem\u00edka Duratec pon\u00faka vynikaj\u00facu teplotn\u00fa pevnos\u0165, n\u00edzku hmotnos\u0165, vysok\u00fa tepeln\u00fa vodivos\u0165, n\u00edzku mieru zadr\u017eiavania tepla a dlh\u00fa \u017eivotnos\u0165. Podporn\u00e9 r\u00e1my pre kon\u0161truk\u010dn\u00e9 r\u00e1my v tunelov\u00fdch peciach, kyvadlov\u00fdch peciach, peciach s dvojit\u00fdm valcom a in\u00fdch vysokoteplotn\u00fdch peciach m\u00f4\u017eu v\u00fdrazne zv\u00fd\u0161i\u0165 kvalifikovan\u00fa r\u00fdchlos\u0165 v\u00fdpalu v\u00fdrobkov a z\u00e1rove\u0148 \u0161etri\u0165 energetick\u00e9 zdroje. M\u00f4\u017ee ich vyu\u017e\u00edva\u0165 porcel\u00e1nov\u00fd, sklokeramick\u00fd, metalurgick\u00fd a \u017eiaruvzdorn\u00fd priemysel. M\u00f4\u017eu sa z nej vytv\u00e1ra\u0165 aj dut\u00e9 nosn\u00edky, pr\u00edstre\u0161ky alebo \u0161peci\u00e1lne tvarovan\u00e9 diely. RSiC sa m\u00f4\u017ee pochv\u00e1li\u0165 schopnos\u0165ou oh\u00fdba\u0165 alebo deformova\u0165 bez toho, aby sa zlomil alebo stratil tvar, odol\u00e1va teplot\u00e1m a\u017e do 1620 stup\u0148ov C bez toho, aby pod\u013eahol po\u0161kodeniu alebo praskaniu, \u010do z neho rob\u00ed vynikaj\u00facu vo\u013ebu ako n\u00e1bytok do pec\u00ed na v\u00fdrobu vysokonap\u00e4\u0165ov\u00e9ho elektrick\u00e9ho porcel\u00e1nu, sanit\u00e1rneho porcel\u00e1nu a sklokeramiky.<\/p>\n
Rekry\u0161talizovan\u00fd karbid krem\u00edka je mimoriadne odoln\u00fd materi\u00e1l s vynikaj\u00facou odolnos\u0165ou proti kor\u00f3zii v\u010faka svojej kry\u0161talickej \u0161trukt\u00fare, ktor\u00e1 obsahuje vrstvu pas\u00edvneho oxidu, ktor\u00fd ho chr\u00e1ni pred kyselinami, z\u00e1sadami a rozp\u00fa\u0161\u0165adlami, ktor\u00e9 ho m\u00f4\u017eu chemicky napadn\u00fa\u0165. Rekry\u0161talizovan\u00fd karbid krem\u00edka je preto vynikaj\u00facou vo\u013ebou pre aplik\u00e1cie, ako je rafin\u00e1cia ropy a chemick\u00e9 spracovanie, pri ktor\u00fdch doch\u00e1dza ku ka\u017edodenn\u00e9mu p\u00f4sobeniu t\u00fdchto l\u00e1tok.<\/p>\n
Rekry\u0161talizovan\u00fd karbid krem\u00edka sa m\u00f4\u017ee pochv\u00e1li\u0165 vynikaj\u00facimi mechanick\u00fdmi vlastnos\u0165ami, ako aj v\u00fdnimo\u010dnou tepelnou odolnos\u0165ou, \u010do znamen\u00e1, \u017ee dok\u00e1\u017ee dlhodobo odol\u00e1va\u0165 extr\u00e9mne vysok\u00fdm teplot\u00e1m bez straty integrity alebo \u0161truktur\u00e1lnej celistvosti. Rekry\u0161talizovan\u00fd karbid krem\u00edka preto na\u0161iel uplatnenie v leteck\u00fdch a vojensk\u00fdch zariadeniach, ako s\u00fa rakety, satelity a rakety, kde jeho tepeln\u00e1 odolnos\u0165 pom\u00e1ha zlep\u0161i\u0165 v\u00fdkon a z\u00e1rove\u0148 pred\u013a\u017ei\u0165 \u017eivotnos\u0165 zariadenia. Okrem toho sa rekry\u0161talizovan\u00fd karbid krem\u00edka m\u00f4\u017ee pou\u017e\u00edva\u0165 aj v d\u00fdzach a ventiloch vozidiel, ktor\u00e9 odol\u00e1vaj\u00fa strel\u00e1m, ako s\u00fa gu\u013eky alebo rakety.<\/p>\n
Spolo\u010dnos\u0165 Hexoloy pon\u00faka sortiment spekan\u00fdch a rekry\u0161talizovan\u00fdch produktov z karbidu krem\u00edka (SSiC a RSiC), ktor\u00e9 sp\u013a\u0148aj\u00fa va\u0161e presn\u00e9 \u0161pecifik\u00e1cie, ako s\u00fa r\u00f4zne ve\u013ekosti, d\u013a\u017eky a hr\u00fabky stien vhodn\u00e9 pre r\u00f4zne \u017eiaruvzdorn\u00e9 aplik\u00e1cie. Karbid krem\u00edka aj nitrid krem\u00edka poskytuj\u00fa vynikaj\u00facu ochranu pred extr\u00e9mnymi teplotami, abraz\u00edvnym prostred\u00edm, priamym p\u00f4soben\u00edm plame\u0148a a in\u00fdmi formami po\u0161kodenia. Okrem toho maj\u00fa tieto materi\u00e1ly vynikaj\u00face vlastnosti odolnosti vo\u010di oxid\u00e1cii a er\u00f3zii, ktor\u00e9 predl\u017euj\u00fa ich \u017eivotnos\u0165 v n\u00e1ro\u010dn\u00fdch prostrediach, ako aj odolnos\u0165 vo\u010di r\u00fdchlemu chladeniu a tepeln\u00fdm \u0161okom. Okrem toho sa dosiahol v\u00fdznamn\u00fd pokrok v pochopen\u00ed ich kor\u00f3znych vlastnost\u00ed, pri\u010dom v s\u00fa\u010dasnosti s\u00fa k dispoz\u00edcii modely, ktor\u00e9 pom\u00e1haj\u00fa in\u017einierom navrhova\u0165 optim\u00e1lne vlastnosti v zlo\u017eit\u00fdch prostrediach.<\/p>\n
R-SiC m\u00e1 kry\u0161talick\u00fa matricu, ktor\u00e1 mu pom\u00e1ha zachova\u0165 si pevnos\u0165 pri vysok\u00fdch teplot\u00e1ch, a n\u00edzky koeficient tepelnej roz\u0165a\u017enosti, ktor\u00fd minimalizuje riziko n\u00e1razov a praskl\u00edn. Preto je ide\u00e1lny pre priemyseln\u00e9 aplik\u00e1cie, ktor\u00e9 zah\u0155\u0148aj\u00fa vysok\u00e9 prev\u00e1dzkov\u00e9 teploty.<\/p>\n
RSiC je v\u010faka svojej jedine\u010dnej kombin\u00e1cii tepeln\u00fdch, mechanick\u00fdch a chemick\u00fdch vlastnost\u00ed z\u00e1kladn\u00fdm materi\u00e1lom v mnoh\u00fdch odvetviach \u0161pi\u010dkov\u00fdch technol\u00f3gi\u00ed. Stal sa jedn\u00fdm z najspo\u013eahlivej\u0161\u00edch materi\u00e1lov na svete s neprekonate\u013en\u00fdm v\u00fdkonom, ktor\u00fd na\u010falej in\u0161piruje inov\u00e1cie.<\/p>\n
Keramiku z karbidu krem\u00edka mo\u017eno vyr\u00e1ba\u0165 viacer\u00fdmi technikami vr\u00e1tane odlievania, vytl\u00e1\u010dania a vstrekovania. Po v\u00fdrobe sa RSiC spek\u00e1 v peci pri vysok\u00fdch teplot\u00e1ch, aby sa rekry\u0161talizoval a vytvorila sa jeho charakteristick\u00e1 mikro\u0161trukt\u00fara, pri\u010dom sa s\u00fa\u010dasne odstr\u00e1ni ak\u00fdko\u013evek spojovac\u00ed materi\u00e1l a v\u00fdsledkom je len \u010dist\u00fd RSiC.<\/p>\n
Polovodi\u010de sa od vodi\u010dov l\u00ed\u0161ia t\u00fdm, \u017ee umo\u017e\u0148uj\u00fa regul\u00e1ciu elektrick\u00e9ho pr\u00fadu a elektromagnetick\u00e9ho po\u013ea, \u010do umo\u017e\u0148uje kon\u0161trukciu elektronick\u00fdch zariaden\u00ed, ktor\u00e9 zosil\u0148uj\u00fa, prep\u00ednaj\u00fa alebo konvertuj\u00fa sign\u00e1ly v elektrickom obvode. Najm\u00e4 polovodi\u010de SiC vykazuj\u00fa vy\u0161\u0161iu pohyblivos\u0165 elektr\u00f3nov pri zv\u00fd\u0161en\u00fdch teplot\u00e1ch a z\u00e1rove\u0148 pri t\u00fdch ist\u00fdch teplot\u00e1ch doch\u00e1dza k men\u0161\u00edm strat\u00e1m v\u00fdkonu, v\u010faka \u010domu sa stali ob\u013e\u00faben\u00fdm materi\u00e1lom pre Schottkyho di\u00f3dy, tranzistory a FET\/MOSFET.<\/p>","protected":false},"excerpt":{"rendered":"
Silicon carbide is an exceptional ceramic material commonly utilized for applications requiring high temperature applications, due to its strength, corrosion resistance, and thermal conductivity properties. Recrystallized silicon carbide is produced through evaporation and coagulation processes and features an open porosity of 11%-15%, making heating easy with minimal shrinkage; thus eliminating many of the drawbacks associated […]<\/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-306","post","type-post","status-publish","format-standard","hentry","category-knowledge"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/ceramicatijolart.com\/sk\/wp-json\/wp\/v2\/posts\/306","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ceramicatijolart.com\/sk\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ceramicatijolart.com\/sk\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ceramicatijolart.com\/sk\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ceramicatijolart.com\/sk\/wp-json\/wp\/v2\/comments?post=306"}],"version-history":[{"count":1,"href":"https:\/\/ceramicatijolart.com\/sk\/wp-json\/wp\/v2\/posts\/306\/revisions"}],"predecessor-version":[{"id":307,"href":"https:\/\/ceramicatijolart.com\/sk\/wp-json\/wp\/v2\/posts\/306\/revisions\/307"}],"wp:attachment":[{"href":"https:\/\/ceramicatijolart.com\/sk\/wp-json\/wp\/v2\/media?parent=306"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ceramicatijolart.com\/sk\/wp-json\/wp\/v2\/categories?post=306"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ceramicatijolart.com\/sk\/wp-json\/wp\/v2\/tags?post=306"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}