A szil\u00edcium-karbidot m\u00e1r a 19. sz\u00e1zad \u00f3ta haszn\u00e1lj\u00e1k csiszol\u00f3anyagk\u00e9nt rideg fel\u00fcletek csiszol\u00e1s\u00e1hoz. Ezenk\u00edv\u00fcl ez a kem\u00e9ny anyag megtal\u00e1lhat\u00f3 t\u0171z\u00e1ll\u00f3 anyagok, kop\u00f3 alkatr\u00e9szek \u00e9s f\u0171t\u0151elemek, valamint f\u00e9lvezet\u0151 eszk\u00f6z\u00f6k gy\u00e1rt\u00e1s\u00e1ban is.<\/p>\n
Alum\u00ednium, b\u00f3r, gallium \u00e9s nitrog\u00e9n d\u00fas\u00edt\u00e1sa p-t\u00edpus\u00fa \u00e9s n-t\u00edpus\u00fa f\u00e9lvezet\u0151k l\u00e9trehoz\u00e1s\u00e1hoz; valamint f\u00e9nykibocs\u00e1t\u00f3 di\u00f3d\u00e1k \u00e9s korai r\u00e1di\u00f3\u00e1ramk\u00f6r\u00f6k hordoz\u00f3jak\u00e9nt szolg\u00e1lt.<\/p>\n
A szil\u00edciumkarbid (SiC) egy szil\u00edciumb\u00f3l \u00e9s sz\u00e9nb\u0151l \u00e1ll\u00f3 \u00f6tv\u00f6zet, amely a term\u00e9szetben a ritka \u00e1sv\u00e1ny, a moissanit form\u00e1j\u00e1ban fordul el\u0151; a 19. sz\u00e1zad v\u00e9ge \u00f3ta azonban iparilag is el\u0151\u00e1ll\u00edtj\u00e1k, hogy kem\u00e9ny ker\u00e1miaanyagk\u00e9nt haszn\u00e1lj\u00e1k olyan term\u00e9kekben, mint a csiszol\u00f3anyagok, t\u0171z\u00e1ll\u00f3 b\u00e9l\u00e9sek, v\u00e1g\u00f3szersz\u00e1mok \u00e9s m\u00e9g a f\u00e9lvezet\u0151 eszk\u00f6z\u00f6k is. E tulajdons\u00e1gai miatt a SiC kiv\u00e1l\u00f3 alapanyagot k\u00e9pez a nagyfesz\u00fclts\u00e9g\u0171 teljes\u00edtm\u00e9ny\u0171 eszk\u00f6z\u00f6kh\u00f6z.<\/p>\n
A SiC a szil\u00edciumhoz k\u00e9pest nagyon magas fesz\u00fclts\u00e9geket k\u00e9pes elviselni, mivel sz\u00e9lesebb a s\u00e1vsz\u00e9less\u00e9ge.<\/p>\n
A Washington Mills a CARBOREX szil\u00edciumkarbidot k\u00fcl\u00f6nb\u00f6z\u0151 k\u00e9miai \u00f6sszet\u00e9telekben \u00e9s m\u00e9retekben k\u00edn\u00e1lja a csiszol\u00f3anyag-, koh\u00e1szati \u00e9s t\u0171z\u00e1ll\u00f3anyag-iparban val\u00f3 felhaszn\u00e1l\u00e1sra. Tart\u00f3ss\u00e1ga \u00e9s k\u00f6lts\u00e9ghat\u00e9konys\u00e1ga miatt a CARBOREX szil\u00edciumkarbid n\u00e9pszer\u0171 lapid\u00e1ris csiszol\u00f3anyag; emellett sz\u00e9les k\u00f6rben haszn\u00e1lj\u00e1k csiszol\u00e1shoz, v\u00edzsugaras v\u00e1g\u00e1shoz, homokf\u00fav\u00e1shoz, valamint sz\u00e1mos megmunk\u00e1l\u00e1si folyamathoz, p\u00e9ld\u00e1ul k\u00f6sz\u00f6r\u00fcl\u00e9shez. Tov\u00e1bb\u00e1, krist\u00e1lyos form\u00e1ja lehet\u0151v\u00e9 teszi, hogy k\u00fcl\u00f6nb\u00f6z\u0151 polyt\u00edpusokat k\u00e9pezzen az atomjainak k\u00f6t\u00e9si konfigur\u00e1ci\u00f3ja r\u00e9v\u00e9n; tov\u00e1bb\u00e1 a r\u00e9tegek lehet\u0151v\u00e9 teszik, hogy egyedi polyt\u00edpusokat vagy polyt\u00edpusnak nevezett form\u00e1kat k\u00e9pezzen!<\/p>\n
A szil\u00edciumkarbid ide\u00e1lis anyag a magas h\u0151m\u00e9rs\u00e9klet\u0171 \u00e9s kop\u00e1s\u00e1ll\u00f3 alkalmaz\u00e1sokhoz, k\u00f6sz\u00f6nhet\u0151en kem\u00e9nys\u00e9g\u00e9nek, k\u00e9miai inertit\u00e1s\u00e1nak, alacsony h\u0151t\u00e1gul\u00e1si sebess\u00e9g\u00e9nek \u00e9s elektromos vezet\u0151k\u00e9pess\u00e9g\u00e9nek. A szil\u00edciumkarbid tov\u00e1bb\u00e1 nagyfesz\u00fclts\u00e9g\u0171 alkalmaz\u00e1sokban is kiemelked\u0151 tart\u00f3ss\u00e1got biztos\u00edt, \u00edgy ide\u00e1lis anyagv\u00e1laszt\u00e1s a h\u00e1l\u00f3zati kapcsol\u00f3khoz.<\/p>\n
Mivel a korund az egyik legkem\u00e9nyebb ismert anyag, sz\u00e1mos modern technol\u00f3gi\u00e1ban megtal\u00e1lhat\u00f3, bele\u00e9rtve a csiszol\u00e1si, v\u00edzsugaras v\u00e1g\u00e1si \u00e9s homokf\u00fav\u00e1si m\u0171veleteket, a lapid\u00e1ris felhaszn\u00e1l\u00e1s is egyre n\u00e9pszer\u0171bb a tart\u00f3ss\u00e1ga miatt. A korund a b\u00f3rkarbid \u00e9s a gy\u00e9m\u00e1nt mellett a h\u00e1rom legkem\u00e9nyebb ismert anyag egyike; tov\u00e1bb\u00e1 kulcsszerepet j\u00e1tszik k\u00fcl\u00f6nb\u00f6z\u0151 alkalmaz\u00e1sokban, t\u00f6bbek k\u00f6z\u00f6tt a csiszol\u00f3anyagokban, a t\u0171z\u00e1ll\u00f3 ker\u00e1mi\u00e1kban \u00e9s a f\u00e9lvezet\u0151kben.<\/p>\n
A szil\u00edciumkarbidnak k\u00fcl\u00f6nb\u00f6z\u0151 polimorfjai vannak. Az alfa szil\u00edciumkarbid (a-SiC), amelynek hexagon\u00e1lis krist\u00e1lyszerkezete a wurtzithoz hasonl\u00f3, az egyik leggyakrabban el\u0151fordul\u00f3 v\u00e1ltozat; egy m\u00e1sik v\u00e1ltozat, a b\u00e9ta SiC (b-SiC) cinkblende krist\u00e1lyszerkezet\u0171. B\u00e1r az alfa SiC gyakrabban fordul el\u0151, mindk\u00e9t forma jelent\u0151s hasznoss\u00e1got biztos\u00edt; nagym\u00e9ret\u0171 egykrist\u00e1lyok ak\u00e1r k\u00e9miai g\u0151zf\u00e1zis\u00fa lev\u00e1laszt\u00e1ssal is kinyerhet\u0151k.<\/p>\n
A szil\u00edciumkarbid kiv\u00e9teles anyag a kop\u00e1s\u00e1ll\u00f3 alkalmaz\u00e1sokhoz, alacsonyabb s\u00farl\u00f3d\u00e1si egy\u00fctthat\u00f3val b\u00fcszk\u00e9lkedhet, mint az ac\u00e9l vagy b\u00e1rmely m\u00e1s f\u00e9m, \u00e9s k\u00fcl\u00f6nb\u00f6z\u0151 k\u00f6rnyezetben ellen\u00e1ll a korr\u00f3zi\u00f3nak. A nitridk\u00f6t\u00e9s\u0171 szil\u00edciumkarbid k\u00fcl\u00f6n\u00f6sen j\u00f3l k\u00e9pz\u0151dik, \u00e9s a savak, l\u00fagok \u00e9s s\u00f3k h\u00e9t nagys\u00e1grendnyi koncentr\u00e1ci\u00f3j\u00e1ig ellen\u00e1ll a korr\u00f3zi\u00f3nak.<\/p>\n
A cirk\u00f3nium-dioxidot csiszol\u00f3korongok \u00e9s csiszol\u00f3pap\u00edrok gy\u00e1rt\u00e1s\u00e1n k\u00edv\u00fcl alacsony h\u0151t\u00e1gul\u00e1si \u00e9s kem\u00e9nys\u00e9gi tulajdons\u00e1gai miatt t\u0171z\u00e1ll\u00f3 anyagokban, ker\u00e1mi\u00e1kban \u00e9s m\u00e1s nagy teljes\u00edtm\u00e9ny\u0171 anyagokban, p\u00e9ld\u00e1ul csillag\u00e1szati t\u00e1vcs\u00f6vek t\u00fck\u00f6ranyagak\u00e9nt is haszn\u00e1lj\u00e1k.<\/p>\n
Ez az anyag ide\u00e1lis v\u00e1laszt\u00e1s nagyfesz\u00fclts\u00e9g\u0171 \u00e1ramk\u00f6ri elemekhez. A gallium-nitridhez k\u00e9pest t\u00edzszeres fesz\u00fclts\u00e9g\u00e1ll\u00f3s\u00e1g\u00e1val felbecs\u00fclhetetlen \u00e9rt\u00e9k\u0171 alkatr\u00e9sz az elektromos j\u00e1rm\u0171vek invertereiben \u00e9s a napenergia-rendszerekben. Ezenk\u00edv\u00fcl oxid\u00e1ci\u00f3val szembeni ellen\u00e1ll\u00e1sa lehet\u0151v\u00e9 teszi, hogy ellen\u00e1lljon a magas h\u0151m\u00e9rs\u00e9kleteknek - \u00edgy t\u00f6k\u00e9letes anyag a sz\u00ednesf\u00e9m-olvaszt\u00f3 iparban haszn\u00e1lt magas h\u0151m\u00e9rs\u00e9klet\u0171 k\u00f6zvetett f\u0171t\u0151anyagok, p\u00e9ld\u00e1ul r\u00e9zolvaszt\u00f3 kemenc\u00e9k vagy alum\u00ednium elektrolitikus tart\u00e1lyok b\u00e9l\u00e9seinek gy\u00e1rt\u00e1s\u00e1hoz.<\/p>\n
A szil\u00edciumkarbidot t\u0171z\u00e1ll\u00f3 anyagk\u00e9nt haszn\u00e1lj\u00e1k, hogy v\u00e9delmet \u00e9s szigetel\u00e9st biztos\u00edtson magas h\u0151m\u00e9rs\u00e9klet\u0171 alkalmaz\u00e1sokban, kiv\u00e1l\u00f3 h\u0151stabilit\u00e1sa \u00e9s olvad\u00e1spontja miatt. A ker\u00e1mia, a koh\u00e1szati nyersanyagok \u00e9s m\u00e1s ipar\u00e1gak, amelyek kiv\u00e1l\u00f3 tart\u00f3ss\u00e1got, h\u0151\u00e1ll\u00f3s\u00e1got, k\u00e9miai inertit\u00e1st vagy k\u00e9miai kompatibilit\u00e1st ig\u00e9nyelnek, nagy haszn\u00e1t veszik a t\u0171z\u00e1ll\u00f3 anyagk\u00e9nt val\u00f3 haszn\u00e1lat\u00e1nak.<\/p>\n
A magas h\u0151m\u00e9rs\u00e9kleten t\u00f6rt\u00e9n\u0151 szinterez\u00e9s lehet\u0151v\u00e9 teszi, hogy t\u00f6bbek k\u00f6z\u00f6tt t\u0171z\u00e1ll\u00f3 \u00f6ntv\u00e9nyek, csiszol\u00f3anyagok \u00e9s koh\u00e1szati nyersanyagok gy\u00e1rt\u00e1s\u00e1hoz haszn\u00e1lj\u00e1k - t\u00f6bbek k\u00f6z\u00f6tt a h\u0151\u00e1ll\u00f3s\u00e1g \u00e9s az \u00fct\u00e9s\u00e1ll\u00f3s\u00e1g tulajdons\u00e1gait is bele\u00e9rtve. Ezenk\u00edv\u00fcl tart\u00f3ss\u00e1ga j\u00f3l ellen\u00e1ll a koptat\u00f3s kop\u00e1snak, a korr\u00f3zi\u00f3nak \u00e9s az er\u00f3zi\u00f3s k\u00e1rosod\u00e1soknak.<\/p>\n
A magnesita t\u0171z\u00e1ll\u00f3 anyagok k\u00e9pesek rendk\u00edv\u00fcl magas h\u0151m\u00e9rs\u00e9kletet elviselni, \u00edgy ide\u00e1lisak k\u00fcl\u00f6nb\u00f6z\u0151 magas h\u0151m\u00e9rs\u00e9klet\u0171 alkalmaz\u00e1sokban, p\u00e9ld\u00e1ul olvaszt\u00f3kemenc\u00e9k b\u00e9l\u00e9s\u00e9ben \u00e9s al\u00e1t\u00e1maszt\u00e1s\u00e1ban, r\u00e9zolvaszt\u00f3kemenc\u00e9k t\u00e1lc\u00e1iban, szil\u00e1rd ed\u00e9nyes desztill\u00e1ci\u00f3s kemenc\u00e9kben \u00e9s cinkporos kemenc\u00e9kben. Egyed\u00fcl\u00e1ll\u00f3 tulajdons\u00e1gaiknak k\u00f6sz\u00f6nhet\u0151en alkalmasak energiatermel\u00e9si alkalmaz\u00e1sokhoz is, mivel ellen\u00e1llnak az atomreaktorokban el\u0151fordul\u00f3 intenz\u00edv h\u0151m\u00e9rs\u00e9kletnek. Az RHI Magnesita a Matmatch-on a k\u00fcl\u00f6nb\u00f6z\u0151 felhaszn\u00e1l\u00e1si c\u00e9lokra alkalmas t\u0171z\u00e1ll\u00f3 term\u00e9kek sz\u00e9les v\u00e1laszt\u00e9k\u00e1t k\u00edn\u00e1lja.<\/p>","protected":false},"excerpt":{"rendered":"
Silicon carbide has long been utilized as an abrasive for grinding brittle surfaces since the 19th century. Furthermore, this hard […]<\/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-48","post","type-post","status-publish","format-standard","hentry","category-sic-knowledge"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/siliconcarbideceramic.net\/hu\/wp-json\/wp\/v2\/posts\/48","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/siliconcarbideceramic.net\/hu\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/siliconcarbideceramic.net\/hu\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/siliconcarbideceramic.net\/hu\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/siliconcarbideceramic.net\/hu\/wp-json\/wp\/v2\/comments?post=48"}],"version-history":[{"count":1,"href":"https:\/\/siliconcarbideceramic.net\/hu\/wp-json\/wp\/v2\/posts\/48\/revisions"}],"predecessor-version":[{"id":49,"href":"https:\/\/siliconcarbideceramic.net\/hu\/wp-json\/wp\/v2\/posts\/48\/revisions\/49"}],"wp:attachment":[{"href":"https:\/\/siliconcarbideceramic.net\/hu\/wp-json\/wp\/v2\/media?parent=48"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/siliconcarbideceramic.net\/hu\/wp-json\/wp\/v2\/categories?post=48"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/siliconcarbideceramic.net\/hu\/wp-json\/wp\/v2\/tags?post=48"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}