A szil\u00edcium-karbid, k\u00f6zismert nev\u00e9n szil\u00edcium-karbid, a term\u00e9szetben a moissanit dr\u00e1gak\u0151 form\u00e1j\u00e1ban fordul el\u0151. 1893 \u00f3ta t\u00f6megesen gy\u00e1rtj\u00e1k csiszol\u00f3anyagk\u00e9nt, f\u00e9lvezet\u0151 tulajdons\u00e1gai pedig sz\u00e1mos elektronikai alkalmaz\u00e1sban teszik \u00e9rt\u00e9kess\u00e9.<\/p>\n
A kalcium-karbon\u00e1t \u00e9les, sz\u00f6gletes r\u00e9szecsk\u00e9i kiv\u00e1l\u00f3 csiszol\u00f3anyagg\u00e1 teszik a k\u0151zetek csiszol\u00e1s\u00e1hoz \u00e9s a dr\u00e1gak\u00f6vek csiszol\u00e1s\u00e1hoz, r\u00e1ad\u00e1sul megfizethet\u0151s\u00e9ge miatt gazdas\u00e1gos \u00e9s \u00fajrafelhaszn\u00e1lhat\u00f3.<\/p>\n
A SiC-et k\u00fcl\u00f6nb\u00f6z\u0151 csiszol\u00f3anyagokban, p\u00e9ld\u00e1ul csiszol\u00f3korongokban, csiszol\u00f3pap\u00edrban \u00e9s csiszol\u00f3anyagokban haszn\u00e1lj\u00e1k, kem\u00e9nys\u00e9ge \u00e9s tart\u00f3ss\u00e1ga miatt a modern lapid\u00e1riumban a f\u0151 v\u00e1laszt\u00e1s. A SiC tov\u00e1bb\u00e1 t\u0171z\u00e1ll\u00f3 t\u00e9gl\u00e1k \u00e9s kemenceb\u00e9l\u00e9sek k\u00e9sz\u00edt\u00e9s\u00e9re is haszn\u00e1lhat\u00f3 a sz\u00ednesf\u00e9mgy\u00e1rt\u00e1sban; sav- \u00e9s l\u00fag\u00e1ll\u00f3s\u00e1ga pedig felbecs\u00fclhetetlen \u00e9rt\u00e9k\u0171 anyagg\u00e1 teszi a vegyiparban.<\/p>\n
Az ebb\u0151l az anyagb\u00f3l k\u00e9sz\u00fclt szinterezett ker\u00e1mi\u00e1kb\u00f3l kem\u00e9ny \u00e9s rugalmas anyagokat lehet szinterezni, amelyeket olyan alkalmaz\u00e1sokban haszn\u00e1lnak, amelyek nagy tart\u00f3ss\u00e1got ig\u00e9nyelnek, mint p\u00e9ld\u00e1ul aut\u00f3f\u00e9kek \u00e9s tengelykapcsol\u00f3k, goly\u00f3\u00e1ll\u00f3 mell\u00e9nyekbe \u00e1gyazott ker\u00e1mialemezek, sz\u00e1loptikai v\u00e9gek f\u00e9nyez\u0151anyaga a k\u00f6t\u00e9s el\u0151tt, sz\u00e1lv\u00e9gek f\u00e9nyez\u0151anyaga a k\u00f6t\u00e9s el\u0151tt, valamint a modern elektromos j\u00e1rm\u0171vekben tal\u00e1lhat\u00f3 alkatr\u00e9szek, amelyek lehet\u0151v\u00e9 teszik a DC gyorst\u00f6lt\u00e9si k\u00e9pess\u00e9geket \u00e9s jav\u00edtj\u00e1k a termikus hat\u00e9konys\u00e1got, valamint a korr\u00f3zi\u00f3\u00e1ll\u00f3s\u00e1g \u00e9s a magas h\u0151m\u00e9rs\u00e9kleti k\u00e9pess\u00e9gek miatt a teljes\u00edtm\u00e9nyelektronikai eszk\u00f6z\u00f6k.<\/p>\n
A t\u0171z\u00e1ll\u00f3 anyagokat olyan ig\u00e9nyes ipari alkalmaz\u00e1sokban haszn\u00e1lj\u00e1k, amelyek robusztus v\u00e9d\u0151b\u00e9l\u00e9st ig\u00e9nyelnek, mint p\u00e9ld\u00e1ul kemenc\u00e9k \u00e9s kemenc\u00e9k, vegyipari berendez\u00e9sek stb. A t\u0171z\u00e1ll\u00f3 term\u00e9kek er\u0151s mechanikai szerkezetet, korr\u00f3zi\u00f3v\u00e9delmet, h\u0151szigetel\u0151 tulajdons\u00e1gokat, valamint er\u0151s mechanikai szerkezeteket biztos\u00edtanak a korr\u00f3zi\u00f3 megel\u0151z\u00e9s\u00e9hez.<\/p>\n
A szil\u00edcium-karbid ide\u00e1lis t\u0171z\u00e1ll\u00f3 alkalmaz\u00e1sokban val\u00f3 felhaszn\u00e1l\u00e1sra, mivel ellen\u00e1ll a vegyi anyagoknak \u00e9s a magas h\u0151m\u00e9rs\u00e9kleteknek, \u00e9s ak\u00e1r 1800 Fahrenheit fokos h\u0151m\u00e9rs\u00e9kletet is kib\u00edr an\u00e9lk\u00fcl, hogy a savak vagy l\u00fagok k\u00e9miai t\u00e1mad\u00e1s\u00e1nak engedne, \u00edgy t\u00f6k\u00e9letes anyagv\u00e1laszt\u00e1s.<\/p>\n
Az ATHOR 15 k\u00fcl\u00f6nb\u00f6z\u0151 ter\u00fcletr\u0151l \u00e9rkez\u0151 doktorjel\u00f6ltb\u0151l \u00e1ll, akik a legmodernebb m\u00e9rn\u00f6ki technol\u00f3gi\u00e1k \u00e9s k\u00eds\u00e9rleti technik\u00e1k ter\u00e9n fognak k\u00e9pz\u00e9st kapni a hidrog\u00e9n k\u00f6rnyezet\u00e9ben. Az \u00e9letciklus-\u00e9rt\u00e9kel\u00e9s, a szinkrotrontechnol\u00f3gia \u00e9s a digit\u00e1lis ikrek ter\u00e9n szerzett szak\u00e9rtelm\u00fck lehet\u0151v\u00e9 teszi sz\u00e1mukra, hogy robusztusabb \u00e9s megb\u00edzhat\u00f3bb t\u0171z\u00e1ll\u00f3 term\u00e9keket hozzanak l\u00e9tre ipari partnereik sz\u00e1m\u00e1ra, ami jelent\u0151s energiamegtakar\u00edt\u00e1st eredm\u00e9nyez, seg\u00edtve a sz\u00e9n-dioxid-semlegess\u00e9gi c\u00e9lok el\u00e9r\u00e9s\u00e9t, mik\u00f6zben n\u00f6veli az ipari berendez\u00e9sek rendelkez\u00e9sre \u00e1ll\u00e1s\u00e1t \u00e9s jav\u00edtja a termel\u00e9kenys\u00e9get.<\/p>\n
A szil\u00edcium-karbid f\u00e9lvezet\u0151ket gyakran haszn\u00e1lj\u00e1k elektromos jelek er\u0151s\u00edt\u00e9s\u00e9re, kapcsol\u00e1s\u00e1ra \u00e9s \u00e1talak\u00edt\u00e1s\u00e1ra. Krist\u00e1lyos szerkezet\u00fck lehet\u0151v\u00e9 teszi a P-t\u00edpus\u00fa vagy N-t\u00edpus\u00fa f\u00e9lvezet\u0151 eszk\u00f6z\u00f6kh\u00f6z sz\u00fcks\u00e9ges szennyez\u0151d\u00e9sekkel, p\u00e9ld\u00e1ul alum\u00edniummal, galliummal \u00e9s nitrog\u00e9nnel t\u00f6rt\u00e9n\u0151 adal\u00e9kol\u00e1st, ami lehet\u0151v\u00e9 teszi, hogy sokkal magasabb h\u0151m\u00e9rs\u00e9kleten, fesz\u00fclts\u00e9gen \u00e9s frekvenci\u00e1n m\u0171k\u00f6djenek, mint a hagyom\u00e1nyos szil\u00edcium f\u00e9lvezet\u0151k.<\/p>\n
A SiC f\u00e9lvezet\u0151k magasabb \u00e1t\u00fct\u00e9si fesz\u00fclts\u00e9ge lehet\u0151v\u00e9 teszi, hogy a vel\u00fck k\u00e9sz\u00fclt teljes\u00edtm\u00e9nyelektronikai kapcsol\u00f3k kisebbek legyenek, \u00edgy ide\u00e1lisak a nagyfesz\u00fclts\u00e9g\u0171 k\u00f6rnyezeteket, p\u00e9ld\u00e1ul az elektromos j\u00e1rm\u0171vek t\u00f6lt\u0151rendszereit vagy a nagyobb fesz\u00fclts\u00e9g\u0171 k\u00f6rnyezeteket kezel\u0151 alkalmaz\u00e1sokhoz.<\/p>\n
A SiC-tranzisztorok jellemz\u0151en 10-szer nagyobb elektromos mez\u0151t k\u00e9pesek elviselni, mint szil\u00edcium f\u00e9lvezet\u0151 t\u00e1rsaik, ami a kisebb teljes\u00edtm\u00e9nyvesztes\u00e9g mellett jelent\u0151sen cs\u00f6kkenti a szab\u00e1lytalan vezet\u00e9si viselked\u00e9s \u00e9s a potenci\u00e1lisan katasztrof\u00e1lis meghib\u00e1sod\u00e1s kock\u00e1zat\u00e1t. Mindezen el\u0151ny\u00f6k miatt a SiC f\u00e9lvezet\u0151k ide\u00e1lisak az olyan nagyfesz\u00fclts\u00e9g\u0171 alkalmaz\u00e1sokhoz, mint az elektromos j\u00e1rm\u0171vek (EV) t\u00f6lt\u0151i, napenergia-inverterek \u00e9s \u00e9rz\u00e9kel\u0151rendszerek.<\/p>\n
A szil\u00edcium-karbid (SiC) gyorsan az egyik legfontosabb anyagg\u00e1 v\u00e1lt az elektromos j\u00e1rm\u0171vek (EV) inverterrendszereiben val\u00f3 felhaszn\u00e1l\u00e1sra. A szil\u00edcium 175 fokos hat\u00e1r\u00e9rt\u00e9k\u00e9vel szemben a SiC ak\u00e1r 300 fokos \u00fczemi h\u0151m\u00e9rs\u00e9kleten is kiv\u00e1l\u00f3an m\u0171k\u00f6dik, \u00edgy nagyobb hat\u00e9konys\u00e1got, megb\u00edzhat\u00f3s\u00e1got \u00e9s hat\u00f3t\u00e1vols\u00e1got biztos\u00edt az EV-alkalmaz\u00e1sokban.<\/p>\n
A SiC egy nemoxid-ker\u00e1mia, amelyet kem\u00e9nys\u00e9ge miatt mechanikai \u00e9s termikus ig\u00e9nybev\u00e9telt jelent\u0151 alkalmaz\u00e1sokban haszn\u00e1lnak; a t\u0171z\u00e1ll\u00f3 anyagokban a nagy h\u0151vel \u00e9s sokkhat\u00e1ssal szembeni ellen\u00e1ll\u00e1sa miatt; valamint az elektronik\u00e1ban a magas h\u0151m\u00e9rs\u00e9kleten vagy fesz\u00fclts\u00e9gen, illetve mindkett\u0151vel m\u0171k\u00f6d\u0151 eszk\u00f6z\u00f6kben val\u00f3 felhaszn\u00e1l\u00e1sra. A SiC a b\u00f3rkarbid \u00e9s a gy\u00e9m\u00e1nt ut\u00e1n a m\u00e1sodik helyen \u00e1ll a legkem\u00e9nyebb ismert term\u00e9szetes anyagok k\u00f6z\u00f6tt.<\/p>\n
A karborundum szemcs\u00e9ket a karborundum-nyomtat\u00e1sban is fel lehet haszn\u00e1lni - ez egy olyan m\u0171v\u00e9szeti forma, amelyben a textur\u00e1lt alum\u00edniumlemezek k\u00f6z\u00e9 szorult tinta festett nyomokat hoz l\u00e9tre a pap\u00edron. Az American Elements adott esetben SiC min\u0151s\u00e9g\u0171 opci\u00f3kat k\u00edn\u00e1l, p\u00e9ld\u00e1ul Mil Spec, ACS Reagent Grade \u00e9s USP EP\/BP specifik\u00e1ci\u00f3kat ezekhez az alkalmaz\u00e1sokhoz.<\/p>","protected":false},"excerpt":{"rendered":"
Silicon carbide, commonly referred to as silicon carbide, occurs naturally as the gemstone moissanite. Since 1893 it has been mass […]<\/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-80","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\/80","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=80"}],"version-history":[{"count":1,"href":"https:\/\/siliconcarbideceramic.net\/hu\/wp-json\/wp\/v2\/posts\/80\/revisions"}],"predecessor-version":[{"id":81,"href":"https:\/\/siliconcarbideceramic.net\/hu\/wp-json\/wp\/v2\/posts\/80\/revisions\/81"}],"wp:attachment":[{"href":"https:\/\/siliconcarbideceramic.net\/hu\/wp-json\/wp\/v2\/media?parent=80"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/siliconcarbideceramic.net\/hu\/wp-json\/wp\/v2\/categories?post=80"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/siliconcarbideceramic.net\/hu\/wp-json\/wp\/v2\/tags?post=80"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}