A szil\u00edciumkarbid (SiC) egy szil\u00edcium-dioxidb\u00f3l \u00e9s sz\u00e9nb\u0151l \u00e1ll\u00f3 szervetlen k\u00e9miai vegy\u00fclet, amelyet el\u0151sz\u00f6r 1893 \u00f3ta gy\u00e1rtanak t\u00f6megesen kereskedelmi forgalomban csiszol\u00f3anyagk\u00e9nt. B\u00e1r a SiC a term\u00e9szetben moissanit \u00e1sv\u00e1nyk\u00e9nt l\u00e9tezik, a t\u00f6meges gy\u00e1rt\u00e1s csak ezt k\u00f6vet\u0151en kezd\u0151d\u00f6tt meg, hogy por \u00e9s krist\u00e1ly form\u00e1j\u00e1ban t\u00f6meges felhaszn\u00e1l\u00e1sra ker\u00fclj\u00f6n a csiszol\u00f3anyagokban.<\/p>\n
A Cerakote ker\u00e1miaanyag az egyik legkem\u00e9nyebb \u00e9s legk\u00f6nnyebb ker\u00e1mia, amely kiv\u00e1l\u00f3 korr\u00f3zi\u00f3-, kop\u00e1s- \u00e9s er\u00f3zi\u00f3\u00e1ll\u00f3s\u00e1ggal b\u00fcszk\u00e9lkedhet, valamint ellen\u00e1ll a sz\u00e9ls\u0151s\u00e9ges h\u0151m\u00e9rs\u00e9kleteknek.<\/p>\n
A szil\u00edciumkarbid (SiC) rendk\u00edv\u00fcl kem\u00e9ny \u00e9s rugalmas anyag, amely nagyszer\u0171 korr\u00f3zi\u00f3\u00e1ll\u00f3s\u00e1ggal \u00e9s h\u0151t\u00e1gul\u00e1si tulajdons\u00e1gokkal rendelkezik, ellen\u00e1ll a savaknak \u00e9s l\u00fagoknak, mik\u00f6zben elektromos szigetel\u0151k\u00e9nt szolg\u00e1l.<\/p>\n
A SiC a F\u00f6ld\u00f6n a moissanit \u00e1sv\u00e1nyk\u00e9nt, az \u0171rben pedig a sz\u00e9nben gazdag csillagok csillagporak\u00e9nt fordul el\u0151. A SiC sz\u00e9lesk\u00f6r\u0171en alkalmazhat\u00f3 az ipar\u00e1gakban, t\u00f6bbek k\u00f6z\u00f6tt a vegyiparban, a pap\u00edrgy\u00e1rt\u00e1sban, valamint a szivatty\u00fa- \u00e9s hajt\u00e1srendszerek alkatr\u00e9szeiben. Tov\u00e1bb\u00e1 a s\u00farl\u00f3d\u00f3 csap\u00e1gyakat vagy mechanikus t\u00f6m\u00edt\u00e9seket alkalmaz\u00f3 dinamikus t\u00f6m\u00edt\u00e9si technol\u00f3gi\u00e1k gyakran el\u0151nyben r\u00e9szes\u00edtik a f\u00e9m t\u00e1rsaikkal szemben, mivel azok ig\u00e9nyes k\u00f6r\u00fclm\u00e9nyek k\u00f6z\u00f6tt is kiv\u00e1l\u00f3 megb\u00edzhat\u00f3s\u00e1got ny\u00fajtanak.<\/p>\n
Az alfa-szil\u00edciumkarbid (a-SiC) a wurtzithoz hasonl\u00f3 hexagon\u00e1lis krist\u00e1lyszerkezet\u00e9vel a legsz\u00e9lesebb k\u00f6rben haszn\u00e1lt t\u00edpus. B\u00e1r a cink-blende krist\u00e1lyszerkezet\u0171 b\u00e9ta a-SiC is rendelkez\u00e9sre \u00e1ll, kereskedelmi alkalmaz\u00e1sa tov\u00e1bbra is korl\u00e1tozott.<\/p>\n
A szil\u00edciumkarbid sokoldal\u00fas\u00e1ga anyagk\u00e9nt els\u0151sorban kiemelked\u0151 termikus tulajdons\u00e1gaib\u00f3l ered, bele\u00e9rtve a nagy h\u0151vezet\u0151 k\u00e9pess\u00e9get, az alacsony h\u0151t\u00e1gul\u00e1st \u00e9s a magas olvad\u00e1spontot, amelyek alkalmass\u00e1 teszik a rep\u00fcl\u0151g\u00e9piparban, az energiatechnik\u00e1ban \u00e9s a vegyipari gy\u00e1rt\u00e1sban val\u00f3 alkalmaz\u00e1sra.<\/p>\n
Kiv\u00e1l\u00f3 korr\u00f3zi\u00f3\u00e1ll\u00f3s\u00e1g jellemzi ezt az anyagot, bele\u00e9rtve a savas \u00e9s l\u00fagos vegyszerekkel szembeni ellen\u00e1ll\u00e1st, valamint az ak\u00e1r 1600 fokos h\u0151m\u00e9rs\u00e9kletet is. Ez\u00e9rt ide\u00e1lis v\u00e1laszt\u00e1s csap\u00e1gyak, f\u00fav\u00f3k\u00e1k, bels\u0151\u00e9g\u00e9s\u0171 motorok alkatr\u00e9szei \u00e9s elektromos j\u00e1rm\u0171vek alkatr\u00e9szei sz\u00e1m\u00e1ra, amelyeknek komoly h\u0151hat\u00e1sokat kell elviselni\u00fck reped\u00e9s vagy sz\u00e9tes\u00e9s n\u00e9lk\u00fcl.<\/p>\n
Az American Elements szabv\u00e1nyos \u00e9s egyedi min\u0151s\u00e9g\u0171 anyagok sz\u00e9les v\u00e1laszt\u00e9k\u00e1t k\u00edn\u00e1lja a f\u00e9lvezet\u0151-, rep\u00fcl\u0151g\u00e9p-, aut\u00f3ipari, v\u00e9delmi elektronikai, vil\u00e1g\u00edt\u00e1stechnikai \u00e9s pap\u00edrac\u00e9l-ipar sz\u00e1m\u00e1ra. Mint\u00e1k \u00e1llnak rendelkez\u00e9sre kutat\u00e1si \u00e9s min\u0151s\u00e9gellen\u0151rz\u00e9si c\u00e9lokra, m\u00edg makro- \u00e9s mikroszemcsem\u00e9retez\u00e9s is rendelkez\u00e9sre \u00e1ll. Az American Elements a-SiC k\u00e9miailag tiszta, nagy \u00f6mlesztett s\u0171r\u0171s\u00e9g\u0171, m\u00edg a k\u00e9miai tiszt\u00edt\u00e1si folyamatunk \u00fagy szit\u00e1lja, hogy megfeleljen a meghat\u00e1rozott FEPA m\u00e9reteknek, valamint az ACS Reagent Grade szabv\u00e1nyoknak.<\/p>\n
A szil\u00edciumkarbid viszonylag kis s\u0171r\u0171s\u00e9ge (3,2 g\/cm3) ellen\u00e9re kiv\u00e1l\u00f3 megmunk\u00e1lhat\u00f3s\u00e1ggal \u00e9s elektromos vezet\u0151k\u00e9pess\u00e9ggel, valamint a legt\u00f6bb savval, s\u00f3val \u00e9s l\u00faggal szembeni ellen\u00e1ll\u00f3 k\u00e9pess\u00e9ggel b\u00fcszk\u00e9lkedhet.<\/p>\n
Sz\u00e9les s\u00e1vsz\u00e9less\u00e9g\u0171 f\u00e9lvezet\u0151k\u00e9nt a GaN nagy h\u0151vezet\u0151 k\u00e9pess\u00e9ggel \u00e9s elektromos t\u00e9rbeli \u00e1tboml\u00e1si szil\u00e1rds\u00e1ggal rendelkezik, valamint kiv\u00e1l\u00f3 szigetel\u0151.<\/p>\n
A SiC-polit\u00edpusok alapvet\u0151 elektromos tulajdons\u00e1gaikban jelent\u0151sen elt\u00e9rnek egym\u00e1st\u00f3l a krist\u00e1lyr\u00e1csukban l\u00e9v\u0151 atomi elrendez\u0151d\u00e9sek miatt, \u00e9s mindegyik\u00fck h\u00e1rom kulcsfontoss\u00e1g\u00fa kateg\u00f3ri\u00e1ban - a h\u0151vezet\u0151 k\u00e9pess\u00e9g, az elektromos t\u00e9rbeli \u00e1tboml\u00e1si er\u0151 \u00e9s az energias\u00e1vsz\u00e9less\u00e9g - a szil\u00edciummal \u00f6sszehasonl\u00edtva saj\u00e1tos el\u0151ny\u00f6ket \u00e9s h\u00e1tr\u00e1nyokat k\u00edn\u00e1l.<\/p>\n
A SiC t\u00f6bbf\u00e9le form\u00e1ban l\u00e9tezik. Az alfa form\u00e1k a wurtzithoz hasonl\u00f3 hexagon\u00e1lis krist\u00e1lyszerkezet\u0171ek, m\u00edg a b\u00e9ta form\u00e1k cinkblende krist\u00e1lyszerkezet\u0171ek, \u00e9s kataliz\u00e1torhordoz\u00f3k\u00e9nt is szolg\u00e1lhatnak. Szikra plazmaszinterez\u00e9ssel szikraplazmaszinterez\u00e9ssel 1-5mol% C- \u00e9s Si-adal\u00e9kot tartalmaz\u00f3, nem szt\u00f6chiometrikus SiC-t hoztak l\u00e9tre, amely alacsony elektromos ellen\u00e1ll\u00e1s\u00fa, konzisztens mikroszerkezetet mutatott; Seebeck-egy\u00fctthat\u00f3ja n-t\u00edpus\u00far\u00f3l p-t\u00edpus\u00fav\u00e1 v\u00e1ltozott a C n\u00f6vekv\u0151 mennyis\u00e9g\u00e9vel, ami arra utal, hogy a C \u00e9s a Si k\u00f6z\u00f6tt szil\u00e1rd oldatok k\u00e9pz\u0151dtek a r\u00e1csszerkezeten bel\u00fcl.<\/p>\n
A szil\u00edciumkarbid a legt\u00f6bb m\u0171szaki ker\u00e1mi\u00e1hoz k\u00e9pest kiv\u00e1l\u00f3 kem\u00e9nys\u00e9ggel, alak\u00edthat\u00f3s\u00e1ggal, valamint korr\u00f3zi\u00f3val \u00e9s vegyi t\u00e1mad\u00e1sokkal szembeni ellen\u00e1ll\u00e1ssal b\u00fcszk\u00e9lkedhet. A rendelkez\u00e9sre \u00e1ll\u00f3 legkem\u00e9nyebb m\u0171szaki ker\u00e1mi\u00e1k egyikek\u00e9nt ellen\u00e1ll a magas h\u0151m\u00e9rs\u00e9kletnek \u00e9s a mechanikai ig\u00e9nybev\u00e9telnek, valamint magas Young-modulus\u00e1nak k\u00f6sz\u00f6nhet\u0151en j\u00f3 m\u00e9retstabilit\u00e1st biztos\u00edt.<\/p>\n
Az alum\u00ednium az egyik legstabilabb anyag az \u00fct\u00e9sekkel \u00e9s rezg\u00e9sekkel szemben, ez\u00e9rt alkalmas anyag a nagy teljes\u00edtm\u00e9ny\u0171 alkalmaz\u00e1sokhoz, p\u00e9ld\u00e1ul csiszol\u00f3anyagokhoz \u00e9s m\u00e1s cs\u00facstechnol\u00f3giai alkalmaz\u00e1sokhoz. Tov\u00e1bb\u00e1, h\u0151vezet\u0151 k\u00e9pess\u00e9ge, alacsony t\u00e1gul\u00e1si egy\u00fctthat\u00f3ja, valamint savakkal \u00e9s l\u00fagokkal szembeni ellen\u00e1ll\u00e1sa kiv\u00e1l\u00f3 v\u00e1laszt\u00e1ss\u00e1 teszi.<\/p>\n
Az American Elements nagy tisztas\u00e1g\u00fa szil\u00edcium-karbid por term\u00e9kek v\u00e1laszt\u00e9k\u00e1t k\u00edn\u00e1lja, amelyek szigor\u00fa ipari \u00e9s alkalmaz\u00e1s-specifikus szabv\u00e1nyok szerint k\u00e9sz\u00fclnek, sz\u00e1mos ipar\u00e1gban \u00e9s alkalmaz\u00e1sban, p\u00e9ld\u00e1ul Mil Spec (katonai min\u0151s\u00e9g\u0171), ACS Reagent Grade Technical Grade Food Pharmaceutical Grade \u00e9s USP \/ BP csomagol\u00e1si megold\u00e1sok is rendelkez\u00e9sre \u00e1llnak - k\u00e9rj\u00fck, forduljon csapatunkhoz tov\u00e1bbi r\u00e9szletek\u00e9rt; minden min\u0151s\u00e9g megfelel az alkalmazand\u00f3 ASTM vizsg\u00e1lati szabv\u00e1nyoknak, sz\u00fcks\u00e9g szerint egyedi csomagol\u00e1ssal - tipikus \u00e9s egyedi csomagol\u00e1s k\u00e9r\u00e9sre - k\u00e9rj\u00fck, forduljon most, mivel az American Elements igyekszik min\u0151s\u00e9gi term\u00e9keket k\u00edn\u00e1lni az \u00fcgyfeleknek, mik\u00f6zben p\u00e1ratlan \u00fcgyf\u00e9lszolg\u00e1latot ny\u00fajt!<\/p>","protected":false},"excerpt":{"rendered":"
Silicon carbide (SiC) is an inorganic chemical compound made of silica and carbon that was first mass produced commercially since […]<\/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-76","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\/76","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=76"}],"version-history":[{"count":1,"href":"https:\/\/siliconcarbideceramic.net\/hu\/wp-json\/wp\/v2\/posts\/76\/revisions"}],"predecessor-version":[{"id":77,"href":"https:\/\/siliconcarbideceramic.net\/hu\/wp-json\/wp\/v2\/posts\/76\/revisions\/77"}],"wp:attachment":[{"href":"https:\/\/siliconcarbideceramic.net\/hu\/wp-json\/wp\/v2\/media?parent=76"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/siliconcarbideceramic.net\/hu\/wp-json\/wp\/v2\/categories?post=76"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/siliconcarbideceramic.net\/hu\/wp-json\/wp\/v2\/tags?post=76"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}