Karbid k\u0159em\u00edku v\u00e1zan\u00fd nitridem (NBSIC) je v\u0161eobecn\u011b zn\u00e1m\u00fd pro svou vynikaj\u00edc\u00ed mechanickou pevnost a tepelnou stabilitu. Krom\u011b toho se NBSIC vyzna\u010duje v\u00fdjime\u010dnou odolnost\u00ed proti oxidaci, d\u00edky n\u00ed\u017e je vhodn\u00fd do n\u00e1ro\u010dn\u00fdch podm\u00ednek.<\/p>\n
D\u00edky sv\u00e9mu n\u00edzk\u00e9mu koeficientu tepeln\u00e9 rozta\u017enosti, vysok\u00e9 tvrdosti, tuhosti a tepeln\u00e9 vodivosti je pry\u017e univerz\u00e1ln\u00edm materi\u00e1lem vhodn\u00fdm pro mnohostrann\u00e9 pou\u017eit\u00ed. Odol\u00e1v\u00e1 vysok\u00fdm teplot\u00e1m a z\u00e1rove\u0148 z\u016fst\u00e1v\u00e1 pru\u017en\u00fd - d\u00edky tomu je pry\u017e vynikaj\u00edc\u00ed volbou pro st\u011bny procesn\u00edch pec\u00ed nebo bo\u010dnice n\u00e1bytku pec\u00ed.<\/p>\n
Karbid k\u0159em\u00edku v\u00e1zan\u00fd nitridem (NBSC) je pokro\u010dil\u00fd keramick\u00fd materi\u00e1l s vynikaj\u00edc\u00edmi tepeln\u00fdmi, mechanick\u00fdmi a chemick\u00fdmi vlastnostmi, kter\u00fd se pou\u017e\u00edv\u00e1 v r\u016fzn\u00fdch aplikac\u00edch od vysoce v\u00fdkonn\u00fdch \u0159ezn\u00fdch n\u00e1stroj\u016f a keramiky a\u017e po \u017e\u00e1ruvzdorn\u00e9 materi\u00e1ly.<\/p>\n
NBSiC se vyr\u00e1b\u00ed reakc\u00ed jemn\u011b rozd\u011blen\u00fdch \u010d\u00e1stic karbidu k\u0159em\u00edku s plynn\u00fdm dus\u00edkem za zv\u00fd\u0161en\u00e9 teploty v p\u0159\u00edtomnosti vhodn\u00e9ho pojiva ve speci\u00e1ln\u00ed peci zn\u00e1m\u00e9 jako nitrida\u010dn\u00ed reaktor. Proces je pe\u010dliv\u011b monitorov\u00e1n z hlediska teploty, pr\u016ftoku, regulace nastaven\u00ed teploty nitrida\u010dn\u00ed pece a tak\u00e9 nastaven\u00ed \u0159\u00eddic\u00edho syst\u00e9mu, aby bylo dosa\u017eeno optim\u00e1ln\u00edch podm\u00ednek pro jeho reakci.<\/p>\n
NBSiC se m\u016f\u017ee pochlubit vynikaj\u00edc\u00ed odolnost\u00ed proti ot\u011bru a n\u00e1razu, jako\u017e i vynikaj\u00edc\u00ed odolnost\u00ed proti korozi a chemik\u00e1li\u00edm, tak\u017ee je vhodn\u00fd do n\u00e1ro\u010dn\u00fdch podm\u00ednek a z\u00e1rove\u0148 poskytuje odolnost proti opot\u0159eben\u00ed a tepelnou stabilitu v mnoha aplikac\u00edch.<\/p>\n
Cihly z karbidu k\u0159em\u00edku s nitridovou vazbou (NBSC) se vyzna\u010duj\u00ed v\u00fdrazn\u011b vy\u0161\u0161\u00ed odolnost\u00ed proti opot\u0159eben\u00ed ne\u017e ocelov\u00fd a polstrovan\u00fd svar, dv\u011b b\u011b\u017en\u00e9 volby pou\u017e\u00edvan\u00e9 v tribologick\u00fdch dvojic\u00edch kov-miner\u00e1l. Jejich pevnost v lehk\u00e9 p\u016fd\u011b s voln\u00fdmi granulemi osmin\u00e1sobn\u011b p\u0159ed\u010d\u00ed kombinace ocel\/vycp\u00e1vkov\u00fd svar! V t\u011b\u017ek\u00e9 p\u016fd\u011b jsou dokonce osmkr\u00e1t odoln\u011bj\u0161\u00ed proti opot\u0159eben\u00ed! Krom\u011b toho tyto cihly odol\u00e1vaj\u00ed kysel\u00e9\/alkalick\u00e9 erozi a tak\u00e9 nab\u00edzej\u00ed vynikaj\u00edc\u00ed odolnost proti usazov\u00e1n\u00ed strusky.<\/p>\n
Karbid k\u0159em\u00edku v\u00e1zan\u00fd nitridem (NBSC) je v\u00fdjime\u010dn\u00fd materi\u00e1l s vynikaj\u00edc\u00ed pevnost\u00ed a odolnost\u00ed v\u016f\u010di vysok\u00fdm teplot\u00e1m d\u00edky f\u00e1zi SiC, kter\u00e1 nab\u00edz\u00ed vysokou vlastn\u00ed mechanickou pevnost a odol\u00e1v\u00e1 te\u010den\u00ed, oxidaci a korozi p\u0159i zv\u00fd\u0161en\u00fdch teplot\u00e1ch, a Si3N4, kter\u00fd zlep\u0161uje lomovou hou\u017eevnatost - NBSC je tak vynikaj\u00edc\u00edm \u0159e\u0161en\u00edm pro materi\u00e1ly, u nich\u017e je nejd\u016fle\u017eit\u011bj\u0161\u00ed v\u00fdkon. D\u00edky t\u00e9to kombinaci je NBSC vhodn\u00fd pro aplikace, kde na v\u00fdkonu z\u00e1le\u017e\u00ed nejv\u00edce.<\/p>\n
\u017d\u00e1ruvzdorn\u00e9 materi\u00e1ly s nitridovou vazbou karbidu k\u0159em\u00edku se osv\u011bd\u010dily v mnoha aplikac\u00edch vy\u017eaduj\u00edc\u00edch vysokou \u00fanosnost p\u0159i zv\u00fd\u0161en\u00fdch teplot\u00e1ch, nap\u0159\u00edklad p\u0159i taven\u00ed ne\u017eelezn\u00fdch kov\u016f, jako je m\u011b\u010f, zinek a hlin\u00edk. Jejich vy\u0161\u0161\u00ed \u017eivotnost poskytuje v\u00fdhody oproti lit\u00fdm kovov\u00fdm nebo pry\u017eov\u00fdm vyzd\u00edvk\u00e1m.<\/p>\n
Tyto \u017e\u00e1ruvzdorn\u00e9 materi\u00e1ly se vyzna\u010duj\u00ed vynikaj\u00edc\u00ed chemickou odolnost\u00ed v\u016f\u010di kyselin\u00e1m a louh\u016fm, mimo\u0159\u00e1dnou odolnost\u00ed proti erozi v roztaven\u00fdch sol\u00edch a odolnost\u00ed proti tepeln\u00fdm \u0161ok\u016fm - spolu s ni\u017e\u0161\u00edmi n\u00e1klady na zpracov\u00e1n\u00ed a lep\u0161\u00edmi mo\u017enostmi zvl\u00e1d\u00e1n\u00ed rychl\u00fdch zm\u011bn teploty ne\u017e keramika na b\u00e1zi SiC.<\/p>\n
Karbid k\u0159em\u00edku s nitridovou vazbou vynikal p\u0159i zkou\u0161k\u00e1ch odolnosti proti abrazivn\u00edmu opot\u0159eben\u00ed v r\u016fzn\u00fdch p\u016fdn\u00edch podm\u00ednk\u00e1ch ve srovn\u00e1n\u00ed s ocel\u00ed a C+ Cr+ Nb vycp\u00e1vkov\u00fdm svarem v r\u016fzn\u00fdch aplikac\u00edch v pozemn\u00edm stavitelstv\u00ed a vykazoval dvakr\u00e1t nebo v\u00edcekr\u00e1t ni\u017e\u0161\u00ed m\u00edru opot\u0159eben\u00ed ne\u017e oba materi\u00e1ly v podm\u00ednk\u00e1ch lehk\u00e9 p\u016fdy ve srovn\u00e1n\u00ed s ocel\u00ed a C+ Cr+ Nb vycp\u00e1vkov\u00fdm svarem v z\u00e1vislosti na zrnitostn\u00edm slo\u017een\u00ed zpracov\u00e1van\u00e9 p\u016fdy; jeho v\u00fdkonnost do zna\u010dn\u00e9 m\u00edry z\u00e1visela na zrnitostn\u00edm slo\u017een\u00ed zpracov\u00e1van\u00fdch pracovn\u00edch ploch. Karbid k\u0159em\u00edku s nitridovou vazbou m\u011bl v lehk\u00fdch p\u016fd\u00e1ch dvakr\u00e1t nebo v\u00edcekr\u00e1t lep\u0161\u00ed v\u00fdkon; jeho v\u00fdkon jasn\u011b nazna\u010dil jeho vhodnost jako ide\u00e1ln\u00edho alternativn\u00edho \u0159e\u0161en\u00ed v in\u017een\u00fdrsk\u00fdch aplikac\u00edch ne\u017e tradi\u010dn\u00ed varianty ot\u011bruvzdorn\u00e9 oceli, jako je C + Cr + Nb polstrov\u00e1n\u00ed sv\u00e1ru polstrov\u00e1n\u00ed sv\u00e1ru polstrov\u00e1n\u00ed sv\u00e1ru polstrov\u00e1n\u00ed sv\u00e1ru C + Cr + Nb polstrov\u00e1n\u00ed sv\u00e1ru polstrov\u00e1n\u00ed sv\u00e1ru polstrov\u00e1n\u00ed sv\u00e1ru polstrov\u00e1n\u00ed sv\u00e1ru materi\u00e1l. Tyto v\u00fdsledky d\u00e1le nazna\u010duj\u00ed jeho vhodnost jako ide\u00e1ln\u00edho materi\u00e1lu z ot\u011bruvzdorn\u00e9 oceli v aplikac\u00edch ve stavebnictv\u00ed; m\u011bl by tedy slou\u017eit jako ide\u00e1ln\u00ed alternativn\u00ed materi\u00e1l, s n\u00edm\u017e mohou stavebn\u00ed in\u017een\u00fd\u0159i pracovat snadn\u011bji ne\u017e s tradi\u010dn\u00ed ot\u011bruvzdornou ocel\u00ed v aplikac\u00edch ve stavebnictv\u00ed ne\u017e s ocel\u00ed v t\u011bchto aplikac\u00edch ve stavebnictv\u00ed ne\u017e s jej\u00edm prot\u011bj\u0161kem z ot\u011bruvzdorn\u00e9 oceli. Tyto v\u00fdsledky potvrzuj\u00ed jeho vhodnost jako vynikaj\u00edc\u00edho materi\u00e1lu v in\u017een\u00fdrsk\u00fdch aplikac\u00edch ne\u017e jeho ocelov\u00fd prot\u011bj\u0161ek. Tyto v\u00fdsledky potvrzuj\u00ed jeho vhodnost jako ide\u00e1ln\u00ed alternativy v aplikac\u00edch stavebn\u00edho in\u017een\u00fdrstv\u00ed ot\u011bruvzdorn\u00e9 oceli materi\u00e1lu v aplikac\u00edch stavebn\u00edho in\u017een\u00fdrstv\u00ed vzhledem k aplikac\u00edm stavebn\u00edho in\u017een\u00fdrstv\u00ed, kde ot\u011bruvzdorn\u00e1 ocel nem\u016f\u017ee v sou\u010dasn\u00e9 dob\u011b fungovat pro aplikace stavebn\u00edho in\u017een\u00fdrstv\u00ed a aplikace stavebn\u00edho in\u017een\u00fdrstv\u00ed s aplikacemi stavebn\u00edho in\u017een\u00fdrstv\u00ed, kde aplikace stavebn\u00edho in\u017een\u00fdrstv\u00ed bude jist\u011b pot\u0159ebovat \u017e\u00e1dn\u00fd nedostatek existuje v ot\u011bruvzdorn\u00e9 oceli alternativy dostupn\u00e9 pouze oceli k dispozici.<\/p>\n
Karbid k\u0159em\u00edku v\u00e1zan\u00fd nitridem (NBSiC) se vyzna\u010duje vynikaj\u00edc\u00ed odolnost\u00ed proti ot\u011bru a n\u00e1razu a tak\u00e9 vynikaj\u00edc\u00edmi tribologick\u00fdmi vlastnostmi, nap\u0159\u00edklad t\u00edm, \u017ee je schopen p\u0159en\u00e1\u0161et tlakov\u00e9 a tahov\u00e9 zat\u00ed\u017een\u00ed a z\u00e1rove\u0148 odol\u00e1vat natahov\u00e1n\u00ed nebo oh\u00fdb\u00e1n\u00ed bez probl\u00e9m\u016f s deformac\u00ed.<\/p>\n
NBSIC lze tvarovat do r\u016fzn\u00fdch tvar\u016f, velikost\u00ed a profil\u016f pomoc\u00ed r\u016fzn\u00fdch tv\u00e1\u0159ec\u00edch postup\u016f. Od jednoduch\u00fdch ku\u017eelov\u00fdch a n\u00e1trubkov\u00fdch tvar\u016f a\u017e po slo\u017eit\u00e9 konstruk\u010dn\u00ed d\u00edly pro za\u0159\u00edzen\u00ed na zpracov\u00e1n\u00ed surovin. Krom\u011b toho je d\u00edky sv\u00e9 vysok\u00e9 pevnosti a chemick\u00e9 odolnosti vhodn\u00fd pro vyzd\u00edvky pec\u00ed, jako je spodn\u00ed \u010d\u00e1st t\u011blesa vysok\u00e9 pece nebo aplikace v pase\/p\u00e1snici.<\/p>\n
Karbid k\u0159em\u00edku s nitridov\u00fdm pojivem m\u00e1 ve srovn\u00e1n\u00ed s ocel\u00ed a vycp\u00e1vkov\u00fdm svarem vynikaj\u00edc\u00ed odolnost proti abrazivn\u00edmu opot\u0159eben\u00ed, stejn\u011b jako cement odoln\u00fd proti opot\u0159eben\u00ed, kter\u00fd se \u010dasto pou\u017e\u00edv\u00e1 p\u0159i pr\u00e1ci s p\u016fdn\u00ed hmotou. Jeho odolnost v\u0161ak m\u016f\u017ee z\u00e1viset na faktorech, jako je slo\u017een\u00ed p\u016fdn\u00ed hmoty a tak\u00e9 rozlo\u017een\u00ed velikosti zrn - obvykle se sni\u017euje s rostouc\u00ed velikost\u00ed zrn.<\/p>\n
NBSIC vynik\u00e1 chemickou \u010distotou a odolnost\u00ed v\u016f\u010di tribologick\u00fdm a tepeln\u00fdm \u0161ok\u016fm, tak\u017ee je vhodn\u00fd pro vysokoteplotn\u00ed aplikace, jako jsou bo\u010dn\u00ed st\u011bny hlin\u00edkov\u00fdch tavic\u00edch kotl\u016f, provozy taven\u00ed ne\u017eelezn\u00fdch kov\u016f, stroj\u00edrensk\u00e9 v\u00fdrobn\u00ed provozy a procesy spalov\u00e1n\u00ed odpadu. Odol\u00e1v\u00e1 teplot\u00e1m a\u017e 1600oC bez ztr\u00e1ty pevnosti a je tak\u00e9 s oblibou volen pro n\u00e1bytek pec\u00ed, jako jsou topeni\u0161tn\u00ed desky, rekupera\u010dn\u00ed trubky a tla\u010dn\u00e9 desky.<\/p>\n
Karbid k\u0159em\u00edku v\u00e1zan\u00fd nitridem m\u00e1 vynikaj\u00edc\u00ed tepelnou vodivost, rychle a \u00fa\u010dinn\u011b absorbuje a odv\u00e1d\u00ed teplo. D\u00edky tomu je vhodn\u00fd pro aplikace vy\u017eaduj\u00edc\u00ed vysokou teplotn\u00ed odolnost, n\u00edzkou tepelnou rozta\u017enost nebo odolnost proti tepeln\u00fdm \u0161ok\u016fm.<\/p>\n
Hlin\u00edk je chemicky inertn\u00ed a odoln\u00fd v\u016f\u010di v\u011bt\u0161in\u011b kyselin a louh\u016f, tak\u017ee je vhodn\u00fd pro pou\u017eit\u00ed v prost\u0159ed\u00ed n\u00e1chyln\u00e9m ke korozi. Krom\u011b toho je d\u00edky sv\u00e9 odolnosti schopen odol\u00e1vat teplot\u00e1m bl\u00ed\u017e\u00edc\u00edm se 1600oC, ani\u017e by do\u0161lo ke ztr\u00e1t\u011b pevnosti, co\u017e z n\u011bj \u010din\u00ed materi\u00e1l, kter\u00fd je vhodn\u00fd pro podp\u011bry z\u00e1sobn\u00edk\u016f na desti\u010dky a lopatky pou\u017e\u00edvan\u00e9 v pec\u00edch na v\u00fdrobu polovodi\u010d\u016f, jako\u017e i pro rezistory, jako jsou termistory a varistory, kter\u00e9 vy\u017eaduj\u00ed vynikaj\u00edc\u00ed tepelnou stabilitu.<\/p>\n
Proces nitridov\u00e9ho spojov\u00e1n\u00ed je kl\u00ed\u010dem k jedine\u010dn\u00fdm vlastnostem t\u00e9to keramiky. Ten spo\u010d\u00edv\u00e1 v reakci pr\u00e1\u0161kov\u00e9 sm\u011bsi karbidu k\u0159em\u00edku s plynn\u00fdm dus\u00edkem p\u0159i vysok\u00fdch teplot\u00e1ch za p\u0159\u00edtomnosti pomocn\u00fdch sp\u00e9kac\u00edch l\u00e1tek, jako je ho\u0159\u010d\u00edk. Vznik\u00e1 tak nitrid k\u0159em\u00edku (Si3N4), kter\u00fd tuhne do hust\u00fdch keramick\u00fdch materi\u00e1l\u016f tvo\u0159\u00edc\u00edch pevn\u00e9 keramick\u00e9 struktury.<\/p>\n
Spole\u010dnosti CUMIREX a CUMISTAR vyr\u00e1b\u011bj\u00ed cihly z karbidu k\u0159em\u00edku spojen\u00e9 s nitridem, \u010d\u00edm\u017e vznikaj\u00ed v\u00fdrobky s mnoha v\u00fdhodami:<\/p>","protected":false},"excerpt":{"rendered":"
Nitride-bonded silicon carbide (NBSIC) is widely known for its superior mechanical strength and thermal stability. Furthermore, NBSIC features exceptional oxidation resistance that makes it suitable for harsh environments. Due to its low thermal expansion coefficient, high hardness, rigidity and thermal conductivity properties, rubber makes a versatile material suitable for many uses. It can withstand high […]<\/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-264","post","type-post","status-publish","format-standard","hentry","category-knowledge"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/ceramicatijolart.com\/cs\/wp-json\/wp\/v2\/posts\/264","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ceramicatijolart.com\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ceramicatijolart.com\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ceramicatijolart.com\/cs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ceramicatijolart.com\/cs\/wp-json\/wp\/v2\/comments?post=264"}],"version-history":[{"count":1,"href":"https:\/\/ceramicatijolart.com\/cs\/wp-json\/wp\/v2\/posts\/264\/revisions"}],"predecessor-version":[{"id":265,"href":"https:\/\/ceramicatijolart.com\/cs\/wp-json\/wp\/v2\/posts\/264\/revisions\/265"}],"wp:attachment":[{"href":"https:\/\/ceramicatijolart.com\/cs\/wp-json\/wp\/v2\/media?parent=264"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ceramicatijolart.com\/cs\/wp-json\/wp\/v2\/categories?post=264"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ceramicatijolart.com\/cs\/wp-json\/wp\/v2\/tags?post=264"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}