Karbid k\u0159em\u00edku (SiC) je extr\u00e9mn\u011b tvrd\u00e1, synteticky vyr\u00e1b\u011bn\u00e1 krystalick\u00e1 slou\u010denina k\u0159em\u00edku a uhl\u00edku, kter\u00e1 se ji\u017e dlouho pou\u017e\u00edv\u00e1 pro \u0159ezn\u00e9 n\u00e1stroje, brusn\u00fd pap\u00edr a ot\u011bruvzdorn\u00e9 sou\u010d\u00e1sti \u010derpadel a raketov\u00fdch motor\u016f, \u017e\u00e1ruvzdorn\u00e9 vyzd\u00edvky pr\u016fmyslov\u00fdch pec\u00ed, ot\u011bruvzdorn\u00e9 sou\u010d\u00e1sti \u010derpadel a raketov\u00fdch motor\u016f a dokonce i polovodi\u010dov\u00e9 substr\u00e1ty pro sv\u011bteln\u00e9 diody (LED). Od konce 19. stolet\u00ed je SiC tak\u00e9 \u0161iroce vyu\u017e\u00edv\u00e1n. V posledn\u00ed dob\u011b na\u0161el uplatn\u011bn\u00ed tak\u00e9 jako \u017e\u00e1ruvzdorn\u00e1 vyzd\u00edvka pr\u016fmyslov\u00fdch pec\u00ed, jako ot\u011bruvzdorn\u00e9 sou\u010d\u00e1sti v ot\u011bruvzdorn\u00fdch d\u00edlech pro \u010derpadla a raketov\u00e9 motory, jako polovodi\u010dov\u00e9 substr\u00e1ty pro sv\u011bteln\u00e9 diody (LED).<\/p>\n
Topn\u00e9 prvky z karbidu k\u0159em\u00edku jsou nekovov\u00e9 topn\u00e9 prvky s elektrick\u00fdm odporem, kter\u00e9 p\u0159i pr\u016fchodu proudu generuj\u00ed teplo, tak\u017ee jsou ide\u00e1ln\u00ed pro pr\u016fmyslov\u00e9 pece, kter\u00e9 pot\u0159ebuj\u00ed vysokou regulaci teploty pro r\u016fzn\u00e9 aplikace, jako je tepeln\u00e9 zpracov\u00e1n\u00ed kov\u016f, v\u00fdroba keramiky a skla, v\u00fdroba polovodi\u010d\u016f atd.<\/p>\n
D\u00edky sv\u00e9mu n\u00edzk\u00e9mu odporu nab\u00edzej\u00ed prvky EREMA n\u00e1kladov\u011b efektivn\u00ed zp\u016fsob vyt\u00e1p\u011bn\u00ed pece bez nutnosti spalin - poskytuj\u00ed lep\u0161\u00ed pracovn\u00ed prost\u0159ed\u00ed a zvy\u0161uj\u00ed \u017eivotnost prvk\u016f d\u00edky kontrole oxidace. Na\u0161e technologie NoAgeTM d\u00e1le prodlu\u017euje jejich \u017eivotnost.<\/p>\n
Spole\u010dnost American Elements nab\u00edz\u00ed rekrystalizovan\u00e9 SiC prvky s vysokou hustotou ur\u010den\u00e9 pro vypalov\u00e1n\u00ed keramiky, v\u00fdrobu plaven\u00e9ho skla, taven\u00ed ne\u017eelezn\u00fdch kov\u016f, jako je sp\u00e9k\u00e1n\u00ed a p\u00e1jen\u00ed, a dal\u0161\u00ed pr\u016fmyslov\u00e9 procesy vy\u017eaduj\u00edc\u00ed teploty a\u017e 1625oC. Tyto prvky se dod\u00e1vaj\u00ed ve form\u011b ty\u010d\u00ed nebo trubek s jednou nebo v\u00edce nohami s metalizovan\u00fdmi hlin\u00edkov\u00fdmi konci; d\u00e1le se dod\u00e1vaj\u00ed s r\u016fzn\u00fdmi geometriemi, aby spl\u0148ovaly specifikace n\u00e1vrhu v\u00fdrobku a krit\u00e9ria pece z\u00e1kazn\u00edka.<\/p>\n
Topn\u00e9 prvky z karbidu k\u0159em\u00edku maj\u00ed schopnost odol\u00e1vat vysok\u00fdm teplot\u00e1m a oxidaci, co\u017e prodlu\u017euje jejich \u017eivotnost v r\u016fzn\u00fdch pec\u00edch, jako je keramika, sklo, pr\u00e1\u0161kov\u00e1 metalurgie a zku\u0161ebnictv\u00ed. D\u00edky sv\u00e9 odolnosti jsou spolehlivou volbou.<\/p>\n
Odpor topn\u00fdch t\u011bles z karbidu k\u0159em\u00edku se m\u011bn\u00ed neline\u00e1rn\u011b s teplotou. Je t\u0159eba zav\u00e9st spolehliv\u00fd \u0159\u00eddic\u00ed syst\u00e9m, aby se zabr\u00e1nilo provozu prvku s nadm\u011brn\u00fdm v\u00fdkonem; jeho c\u00edlem by m\u011blo b\u00fdt nastaven\u00ed tak, aby provozn\u00ed v\u00fdkon z\u016fstal pod a vlevo od jeho \"k\u0159ivky mezn\u00edho v\u00fdkonu oh\u0159\u00edva\u010de\".<\/p>\n
Mnoho prvk\u016f je o\u0161et\u0159eno \u00fapravou MHI NoAgeTM, aby se zabr\u00e1nilo postupn\u00e9 oxidaci a tvorb\u011b oxidu k\u0159emi\u010dit\u00e9ho, kter\u00fd by mohl zvy\u0161ovat odolnost b\u011bhem jejich \u017eivotnosti. Krom\u011b toho NoAgeTM pom\u00e1h\u00e1 chr\u00e1nit prvky p\u0159ed chemick\u00fdm napaden\u00edm procesn\u00edmi parami, kter\u00e9 by mohly degradovat jejich povlak nebo v\u00e9st k mechanick\u00e9mu selh\u00e1n\u00ed.<\/p>\n
Karbid k\u0159em\u00edku se vyzna\u010duje vysokou mechanickou pevnost\u00ed a n\u00edzkou tepelnou rozta\u017enost\u00ed, tak\u017ee je vhodn\u00fd pro pou\u017eit\u00ed p\u0159i extr\u00e9mn\u011b vysok\u00fdch teplot\u00e1ch bez ztr\u00e1ty pevnosti. D\u00edky t\u00e9to kombinaci vlastnost\u00ed je karbid k\u0159em\u00edku vynikaj\u00edc\u00ed volbou pro materi\u00e1ly topn\u00fdch t\u011bles pou\u017e\u00edvan\u00fdch v aplikac\u00edch, kde doch\u00e1z\u00ed k n\u00e1raz\u016fm.<\/p>\n
Karbid k\u0159em\u00edku odol\u00e1v\u00e1 agresivn\u00edmu prost\u0159ed\u00ed pece l\u00e9pe ne\u017e jin\u00e9 kovy, nap\u0159\u00edklad hlin\u00edk, proto\u017ee je odoln\u00fd v\u016f\u010di p\u016fsoben\u00ed roztaven\u00fdch sol\u00ed, louh\u016f nebo kyselin - to znamen\u00e1, \u017ee d\u00edky sv\u00e9 odolnosti m\u016f\u017ee odol\u00e1vat agresivn\u00edmu prost\u0159ed\u00ed pece, kter\u00e9 by ohrozilo jin\u00e9 topn\u00e9 prvky a zkr\u00e1tilo jejich \u017eivotnost.<\/p>\n
N\u00edzk\u00e1 pevnost prvk\u016f SiC v tahu m\u016f\u017ee p\u0159edstavovat ur\u010dit\u00fd probl\u00e9m, kter\u00fd v\u0161ak lze kompenzovat p\u0159izp\u016fsoben\u00edm jejich odolnosti, zv\u00fd\u0161en\u00edm trvanlivosti a zamezen\u00edm po\u0161kozen\u00ed b\u011bhem provozu. Krom\u011b toho jsou tyto prvky vysoce odoln\u00e9 v\u016f\u010di b\u011b\u017en\u00fdm procesn\u00edm plyn\u016fm a chemik\u00e1li\u00edm, co\u017e sni\u017euje pot\u0159ebu \u00fadr\u017eby i provozn\u00ed n\u00e1klady a prostoje.<\/p>\n
Na\u0161e topn\u00e1 t\u011blesa z karbidu k\u0159em\u00edku typu DM jsou p\u0159izp\u016fsobena pro pou\u017eit\u00ed v pr\u016fmyslov\u00fdch pec\u00edch, p\u0159i tepeln\u00e9m zpracov\u00e1n\u00ed kov\u016f, v\u00fdrob\u011b keramiky, skla a polovodi\u010d\u016f. Jejich tvrd\u00e1 a z\u00e1rove\u0148 k\u0159ehk\u00e1 konstrukce odol\u00e1v\u00e1 n\u00e1hl\u00fdm zm\u011bn\u00e1m chladu a tepla, ani\u017e by se deformovala p\u0159i vysok\u00fdch teplot\u00e1ch.<\/p>\n
Topn\u00e1 t\u011blesa Globar sic se vyzna\u010duj\u00ed vysokou provozn\u00ed teplotou, odolnost\u00ed proti oxidaci a korozi, dlouhou \u017eivotnost\u00ed, n\u00edzkou m\u00edrou deformace a snadnou instalac\u00ed. Jejich pou\u017eit\u00ed je b\u011b\u017en\u00e9 v \u0161irok\u00e9m spektru vysokoteplotn\u00edch elektrick\u00fdch pec\u00ed pou\u017e\u00edvan\u00fdch pro magnetick\u00e9 materi\u00e1ly, keramiku, pr\u00e1\u0161kovou metalurgii pr\u00e1\u0161kov\u00e9 kovy skl\u00e1\u0159sk\u00fd pr\u016fmysl, jako\u017e i v dal\u0161\u00edch odv\u011btv\u00edch, kter\u00e1 vyu\u017e\u00edvaj\u00ed elektrick\u00e9 zdroje tepla, jako jsou pece.<\/p>\n
K dispozici je \u0159ada povrchov\u00fdch \u00faprav, kter\u00e9 chr\u00e1n\u00ed topn\u00e1 t\u011blesa p\u0159ed koroz\u00ed zp\u016fsobenou procesn\u00edmi parami a prodlu\u017euj\u00ed jejich \u017eivotnost, jako jsou ochrann\u00e9 glazury, povlaky oxidu hlinit\u00e9ho pro \u017e\u00e1ruvzdorn\u00e9 materi\u00e1ly z karbidu k\u0159em\u00edku nebo karbidu wolframu, povlaky oxid\u016f kov\u016f nebo na\u0161e \u00faprava NoAge(r), kter\u00e1 je chr\u00e1n\u00ed p\u0159ed degradac\u00ed zp\u016fsobenou jin\u00fdmi procesn\u00edmi parami; sni\u017euje napaden\u00ed plyny a z\u00e1rove\u0148 prodlu\u017euje jejich \u017eivotnost.<\/p>","protected":false},"excerpt":{"rendered":"
Silicon carbide (SiC) is an extremely hard, synthetically produced crystalline compound of silicon and carbon that has long been utilized […]<\/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":[5],"tags":[],"class_list":["post-82","post","type-post","status-publish","format-standard","hentry","category-product-related"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/siliconcarbideceramic.net\/cs\/wp-json\/wp\/v2\/posts\/82","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/siliconcarbideceramic.net\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/siliconcarbideceramic.net\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/siliconcarbideceramic.net\/cs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/siliconcarbideceramic.net\/cs\/wp-json\/wp\/v2\/comments?post=82"}],"version-history":[{"count":1,"href":"https:\/\/siliconcarbideceramic.net\/cs\/wp-json\/wp\/v2\/posts\/82\/revisions"}],"predecessor-version":[{"id":83,"href":"https:\/\/siliconcarbideceramic.net\/cs\/wp-json\/wp\/v2\/posts\/82\/revisions\/83"}],"wp:attachment":[{"href":"https:\/\/siliconcarbideceramic.net\/cs\/wp-json\/wp\/v2\/media?parent=82"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/siliconcarbideceramic.net\/cs\/wp-json\/wp\/v2\/categories?post=82"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/siliconcarbideceramic.net\/cs\/wp-json\/wp\/v2\/tags?post=82"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}