Karbid krem\u00edka (SiC) je extr\u00e9mne tvrd\u00e1, synteticky vyr\u00e1ban\u00e1 kry\u0161talick\u00e1 zl\u00fa\u010denina krem\u00edka a uhl\u00edka, ktor\u00e1 sa u\u017e dlho pou\u017e\u00edva na v\u00fdrobu rezn\u00fdch n\u00e1strojov, br\u00fasneho papiera a \u010dast\u00ed odoln\u00fdch proti opotrebovaniu v \u010derpadl\u00e1ch a raketov\u00fdch motoroch, \u017eiaruvzdorn\u00fdch v\u00fdmuroviek priemyseln\u00fdch pec\u00ed, \u010dast\u00ed odoln\u00fdch proti opotrebovaniu v \u010derpadl\u00e1ch a raketov\u00fdch motoroch a dokonca aj polovodi\u010dov\u00fdch substr\u00e1tov pre sveteln\u00e9 di\u00f3dy (LED). Od konca 19. storo\u010dia sa vo ve\u013ekej miere vyu\u017e\u00edva aj SiC. V poslednom \u010dase na\u0161iel uplatnenie aj ako \u017eiaruvzdorn\u00e1 v\u00fdmurovka v priemyseln\u00fdch peciach, ako s\u00fa\u010diastky odoln\u00e9 proti opotrebovaniu v s\u00fa\u010diastkach odoln\u00fdch proti opotrebovaniu pre \u010derpadl\u00e1 a raketov\u00e9 motory, ako polovodi\u010dov\u00e9 substr\u00e1ty pre sveteln\u00e9 di\u00f3dy (LED).<\/p>\n
Vykurovacie prvky z karbidu krem\u00edka s\u00fa nekovov\u00e9 vykurovacie prvky s elektrick\u00fdm odporom, ktor\u00e9 pri prechode pr\u00fadu generuj\u00fa teplo, tak\u017ee s\u00fa ide\u00e1lne pre priemyseln\u00e9 pece, ktor\u00e9 potrebuj\u00fa vysok\u00fa regul\u00e1ciu teploty pre r\u00f4zne aplik\u00e1cie, ako je tepeln\u00e9 spracovanie kovov, v\u00fdroba keramiky a skla, v\u00fdroba polovodi\u010dov at\u010f.<\/p>\n
V\u010faka svojmu n\u00edzkemu odporu pon\u00fakaj\u00fa prvky EREMA n\u00e1kladovo efekt\u00edvny sp\u00f4sob vykurovania pece bez potreby spal\u00edn - poskytuj\u00fa lep\u0161ie pracovn\u00e9 prostredie a zvy\u0161uj\u00fa \u017eivotnos\u0165 prvkov v\u010faka kontrole oxid\u00e1cie. Na\u0161a technol\u00f3gia NoAgeTM \u010falej predl\u017euje ich \u017eivotnos\u0165.<\/p>\n
American Elements pon\u00faka rekry\u0161talizovan\u00e9 prvky SiC s vysokou hustotou ur\u010den\u00e9 na vypa\u013eovanie keramiky, v\u00fdrobu plaven\u00e9ho skla, tavenie ne\u017eelezn\u00fdch kovov, ako je spekanie a sp\u00e1jkovanie, ako aj na in\u00e9 priemyseln\u00e9 procesy vy\u017eaduj\u00face teploty do 1625 \u00b0C. Tieto prvky sa dod\u00e1vaj\u00fa vo forme ty\u010d\u00ed alebo r\u00farok s jedn\u00fdm alebo viacer\u00fdmi ramenami s metalizovan\u00fdmi hlin\u00edkov\u00fdmi koncami; okrem toho sa dod\u00e1vaj\u00fa s r\u00f4znymi geometriami, aby sp\u013a\u0148ali \u0161pecifik\u00e1cie dizajnu v\u00fdrobkov a krit\u00e9ri\u00e1 pec\u00ed z\u00e1kazn\u00edka.<\/p>\n
Vykurovacie prvky z karbidu krem\u00edka s\u00fa schopn\u00e9 odol\u00e1va\u0165 vysok\u00fdm teplot\u00e1m a oxid\u00e1cii, \u010do predl\u017euje ich \u017eivotnos\u0165 v r\u00f4znych peciach, ako je keramika, sklo, pr\u00e1\u0161kov\u00e1 metalurgia a sk\u00fa\u0161anie. V\u010faka svojej odolnosti s\u00fa spo\u013eahlivou vo\u013ebou.<\/p>\n
Odpor ohrieva\u010dov z karbidu krem\u00edka sa neline\u00e1rne men\u00ed s teplotou. Mus\u00ed sa zavies\u0165 spo\u013eahliv\u00fd riadiaci syst\u00e9m, aby sa zabr\u00e1nilo prev\u00e1dzke prvku pri nadmern\u00fdch \u00farovniach v\u00fdkonu; jeho cie\u013eom by malo by\u0165 nastavenie tak, aby sa zabezpe\u010dilo, \u017ee prev\u00e1dzkov\u00fd v\u00fdkon zostane pod a na\u013eavo od jeho \"krivky hrani\u010dn\u00e9ho v\u00fdkonu ohrieva\u010da\".<\/p>\n
Mnoh\u00e9 prvky s\u00fa o\u0161etren\u00e9 \u00fapravou NoAgeTM spolo\u010dnosti MHI, aby sa zabr\u00e1nilo postupnej oxid\u00e1cii a tvorbe oxidu kremi\u010dit\u00e9ho, ktor\u00fd by mohol zv\u00fd\u0161i\u0165 odolnos\u0165 po\u010das ich \u017eivotnosti. Okrem toho NoAgeTM pom\u00e1ha chr\u00e1ni\u0165 prvky pred chemick\u00fdm napadnut\u00edm procesn\u00fdmi v\u00fdparmi, ktor\u00e9 by mohli znehodnoti\u0165 ich povlak alebo vies\u0165 k mechanick\u00e9mu zlyhaniu.<\/p>\n
Karbid krem\u00edka sa vyzna\u010duje vysokou mechanickou pevnos\u0165ou a n\u00edzkou tepelnou roz\u0165a\u017enos\u0165ou, v\u010faka \u010domu je vhodn\u00fd na pou\u017eitie pri extr\u00e9mne vysok\u00fdch teplot\u00e1ch bez straty pevnosti. V\u010faka tejto kombin\u00e1cii vlastnost\u00ed je karbid krem\u00edka vynikaj\u00facou vo\u013ebou pre materi\u00e1ly vykurovac\u00edch telies pou\u017e\u00edvan\u00fdch v aplik\u00e1ci\u00e1ch, v ktor\u00fdch doch\u00e1dza k n\u00e1razom.<\/p>\n
Karbid krem\u00edka odol\u00e1va agres\u00edvnemu prostrediu pece lep\u0161ie ako in\u00e9 kovy, napr\u00edklad hlin\u00edk, preto\u017ee je odoln\u00fd vo\u010di p\u00f4sobeniu roztaven\u00fdch sol\u00ed, l\u00fahov alebo kysel\u00edn - to znamen\u00e1, \u017ee v\u010faka svojej odolnosti dok\u00e1\u017ee odol\u00e1va\u0165 agres\u00edvnemu prostrediu pece, ktor\u00e9 by ohrozilo in\u00e9 vykurovacie prvky a skr\u00e1tilo ich \u017eivotnos\u0165.<\/p>\n
N\u00edzka pevnos\u0165 prvkov SiC v \u0165ahu m\u00f4\u017ee predstavova\u0165 ur\u010dit\u00fd probl\u00e9m, ktor\u00fd v\u0161ak mo\u017eno kompenzova\u0165 prisp\u00f4soben\u00edm ich odolnosti, zv\u00fd\u0161en\u00edm \u017eivotnosti a zabr\u00e1nen\u00edm po\u0161kodenia po\u010das prev\u00e1dzky. Okrem toho s\u00fa tieto prvky vysoko odoln\u00e9 vo\u010di be\u017en\u00fdm procesn\u00fdm plynom a chemik\u00e1li\u00e1m, \u010do zni\u017euje potrebu \u00fadr\u017eby, ako aj prev\u00e1dzkov\u00e9 n\u00e1klady a prestoje.<\/p>\n
Na\u0161e vykurovacie teles\u00e1 z karbidu krem\u00edka typu DM s\u00fa prisp\u00f4soben\u00e9 na pou\u017eitie v priemyseln\u00fdch peciach, pri tepelnom spracovan\u00ed kovov, v\u00fdrobe keramiky a skla, ako aj pri v\u00fdrobe polovodi\u010dov. Ich tvrd\u00e1, ale krehk\u00e1 kon\u0161trukcia odol\u00e1va n\u00e1hlym zmen\u00e1m chladu a tepla bez toho, aby sa deformovala pri vysok\u00fdch teplot\u00e1ch.<\/p>\n
Vykurovacie prvky Globar sic sa vyzna\u010duj\u00fa vysokou prev\u00e1dzkovou teplotou, odolnos\u0165ou proti oxid\u00e1cii a kor\u00f3zii, dlhou \u017eivotnos\u0165ou, n\u00edzkou mierou deform\u00e1cie a jednoduchou in\u0161tal\u00e1ciou. Ich pou\u017eitie je be\u017en\u00e9 v \u0161irokom spektre vysokoteplotn\u00fdch elektrick\u00fdch pec\u00ed pou\u017e\u00edvan\u00fdch v magnetick\u00fdch materi\u00e1loch, keramike, pr\u00e1\u0161kovej metalurgii pr\u00e1\u0161kov\u00fdch kovov skl\u00e1rskom priemysle, ako aj v in\u00fdch odvetviach, ktor\u00e9 vyu\u017e\u00edvaj\u00fa elektrick\u00e9 zdroje tepla, ako s\u00fa pece.<\/p>\n
K dispoz\u00edcii je cel\u00fd rad povrchov\u00fdch \u00faprav na ochranu vykurovac\u00edch telies pred procesn\u00fdmi parami sp\u00f4sobuj\u00facimi kor\u00f3ziu a na pred\u013a\u017eenie ich \u017eivotnosti, ako s\u00fa ochrann\u00e9 glaz\u00fary, povlaky oxidu hlinit\u00e9ho pre karbid krem\u00edka alebo karbid volfr\u00e1mu, povlaky oxidov kovov alebo na\u0161a \u00faprava NoAge(r), ktor\u00e1 ich chr\u00e1ni pred degrad\u00e1ciou sp\u00f4sobenou in\u00fdmi procesn\u00fdmi parami; zni\u017euje \u00fatoky plynov a z\u00e1rove\u0148 predl\u017euje ich \u017eivotnos\u0165.<\/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\/sk\/wp-json\/wp\/v2\/posts\/82","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/siliconcarbideceramic.net\/sk\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/siliconcarbideceramic.net\/sk\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/siliconcarbideceramic.net\/sk\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/siliconcarbideceramic.net\/sk\/wp-json\/wp\/v2\/comments?post=82"}],"version-history":[{"count":1,"href":"https:\/\/siliconcarbideceramic.net\/sk\/wp-json\/wp\/v2\/posts\/82\/revisions"}],"predecessor-version":[{"id":83,"href":"https:\/\/siliconcarbideceramic.net\/sk\/wp-json\/wp\/v2\/posts\/82\/revisions\/83"}],"wp:attachment":[{"href":"https:\/\/siliconcarbideceramic.net\/sk\/wp-json\/wp\/v2\/media?parent=82"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/siliconcarbideceramic.net\/sk\/wp-json\/wp\/v2\/categories?post=82"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/siliconcarbideceramic.net\/sk\/wp-json\/wp\/v2\/tags?post=82"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}