![\"Pulbere](\"http:\/\/siliconcarbideceramic.net\/wp-content\/uploads\/2024\/10\/Silicon-Carbide-Powder.jpg\")
<\/p>","protected":false},"excerpt":{"rendered":"Carbura de siliciu (SiC) este un compus chimic anorganic format din siliciu \u0219i carbon, care se g\u0103se\u0219te \u00een stare natural\u0103 sub forma mineralului extrem de rar moissanite; cu toate acestea, produc\u021bia \u00een mas\u0103 a \u00eenceput \u00een 1893, at\u00e2t sub form\u0103 de pudr\u0103, c\u00e2t \u0219i sub form\u0103 de cristale, pentru a fi utilizat ca abraziv.<\/p>\n
Carbura de siliciu neagr\u0103 este abrazivul ideal pentru aplica\u021biile de d\u0103ltuire \u0219i lustruire de \u00eenalt\u0103 precizie, datorit\u0103 cristalelor sale mari, rezisten\u021bei excep\u021bionale, texturii dense \u0219i performan\u021bei repetate \u00een aplica\u021bii repetate.<\/p>\n
Pulberea de carbur\u0103 de siliciu este un material extrem de dur \u0219i rezistent la uzur\u0103, ceea ce o face materia prim\u0103 ideal\u0103 pentru fabricarea materialelor abrazive, cum ar fi ro\u021bile de \u0219lefuit \u0219i uneltele de t\u0103iere. \u00cen plus, conductivitatea \u0219i rezisten\u021ba sa termic\u0103 excelente \u00eel fac s\u0103 fie utilizat \u00een mod popular ca o component\u0103 aditiv\u0103 \u00een procesele de produc\u021bie electronic\u0103 \u0219i fabricarea semiconductorilor.<\/p>\n
SiC poate fi fabricat prin \u00eenc\u0103lzirea nisipului silicios cu surse de carbon, cum ar fi cocsul de petrol, la temperaturi ridicate \u00eentr-un cuptor deschis \"Acheson\", produc\u00e2nd boabe de carbur\u0103 de siliciu de culoare verde sau neagr\u0103 cu impurit\u0103\u021bi reduse fa\u021b\u0103 de omologul s\u0103u de calitate inferioar\u0103.<\/p>\n
Pulberea de carbur\u0103 de siliciu verde sau neagr\u0103 este amestecat\u0103 cu ajutorul de sinterizare non-oxid, cunoscut sub numele de liant, pentru a produce o past\u0103. Pasta este apoi compactat\u0103 \u0219i modelat\u0103 prin extrudare (tuburi) sau prin presare izostatic\u0103 la rece, unde particulele sunt for\u021bate s\u0103 intre \u00een matri\u021be rigide folosind presiune din mai multe direc\u021bii pentru a forma forme care pot fi apoi prelucrate.<\/p>\n
Conductivitatea termic\u0103 superioar\u0103 a pulberii de carbur\u0103 de siliciu o transform\u0103 \u00eentr-un material nepre\u021buit \u00een diverse contexte industriale, \u00een special \u00een cele implicate \u00een produc\u021bia de electronice \u0219i semiconductoare, unde capacitatea sa de a rezista la temperaturi ridicate f\u0103r\u0103 a deveni instabil\u0103 reprezint\u0103 un mare avantaj.<\/p>\n
Printre materialele cu toleran\u021b\u0103 ridicat\u0103 la deterior\u0103ri \u0219i \u0219ocuri termice se num\u0103r\u0103 acrilicul. Acest material versatil poate suporta o deformare plastic\u0103 semnificativ\u0103 \u00eenainte de a se produce o fractur\u0103 \u0219i se m\u00e2ndre\u0219te cu rate sc\u0103zute de expansiune la schimb\u0103rile de temperatur\u0103.<\/p>\n
Spre deosebire de diamant, granula\u021bia neagr\u0103 din carbur\u0103 de siliciu este extrem de dur\u0103 \u0219i versatil\u0103; poate fi utilizat\u0103 pentru aplica\u021bii precum discuri abrazive, \u0219mirghel \u0219i abrazive acoperite \u0219i lipite pentru sablare. Datorit\u0103 durit\u0103\u021bii sale \u0219i stabilit\u0103\u021bii chimice \u0219i termice excelente, acesta reprezint\u0103 o alternativ\u0103 accesibil\u0103 la abrazivele din carbur\u0103 de bor produse prin reac\u021bie de lipire folosind nisip de siliciu pur \u0219i c\u0103rbune ca materii prime \u00een cuptoare cu rezisten\u021b\u0103 electric\u0103 de tip c\u0103r\u0103mid\u0103.<\/p>\n
SiC este unul dintre cele mai dure materiale sintetice, al doilea dup\u0103 diamant \u00een termeni de duritate. Aceast\u0103 proprietate \u00eel face un material atractiv pentru aplica\u021bii \u00een care performan\u021bele ridicate \u0219i durabilitatea sunt esen\u021biale, cum ar fi aplica\u021biile abrazive.<\/p>\n
oferim produse din carbur\u0103 de siliciu legat\u0103 prin reac\u021bie \u0219i carbur\u0103 de tungsten cimentat\u0103, concepute pentru a \u00eendeplini anumite propriet\u0103\u021bi refractare, chimice \u0219i termice. Carbura de siliciu legat\u0103 prin reac\u021bie este ideal\u0103 pentru aplica\u021bii \u00een care trebuie luate \u00een considerare rezisten\u021ba la uzur\u0103 sau formele complicate; carbura de tungsten cimentat\u0103 ofer\u0103 propriet\u0103\u021bi de izolare termic\u0103 \u0219i chimic\u0103 mai bune dec\u00e2t omologul s\u0103u.<\/p>\n
Propriet\u0103\u021bile abrazive ale carburii de siliciu negre o fac popular\u0103 \u00een industriile auto \u0219i aerospa\u021bial\u0103 pentru honuirea \u0219i lappingul componentelor la dimensiuni \u0219i finisaje precise sau pentru \u00eendep\u0103rtarea prin sablare a rezisten\u021bei la coroziune \u0219i uzur\u0103. \u00cen plus, rezisten\u021ba \u0219i durabilitatea sale excep\u021bionale \u00eei permit s\u0103 reziste la medii extreme r\u0103m\u00e2n\u00e2nd intact, iar rezisten\u021ba sa la coroziune \u0219i uzur\u0103 \u00eel fac cunoscut ca material abraziv pentru sablare. \u00cen plus, rezisten\u021ba sa la coroziune \u0219i la uzur\u0103 contribuie la prelungirea duratei de via\u021b\u0103 a componentelor, reduc\u00e2nd \u00een acela\u0219i timp timpul de nefunc\u021bionare - \u00een special \u00een cazul uneltelor, cum ar fi ro\u021bile de \u0219lefuit sau abrazivele de sablare care utilizeaz\u0103 abrazive de sablare cu carbur\u0103 de siliciu neagr\u0103 sau uneltele de t\u0103iere care necesit\u0103 \u00eentre\u021binere constant\u0103 sau timp de nefunc\u021bionare datorit\u0103 acoperirilor rezistente la coroziune\/uzur\u0103 sau uneltelor de t\u0103iere fabricate din acest material.<\/p>\n
Carbura de siliciu este un material ceramic extrem de dur \u0219i u\u0219or, cu propriet\u0103\u021bi excelente de stabilitate termic\u0103 \u0219i rezisten\u021b\u0103 la coroziune, ceea ce \u00eel face potrivit pentru aplica\u021bii care implic\u0103 sarcini mari, cum ar fi utilajele industriale \u0219i componentele auto.<\/p>\n
Moissanita, un material semiconductor cu band\u0103 larg\u0103, care se g\u0103se\u0219te \u00een mod natural sub forma pietrei pre\u021bioase moissanita, a fost produs\u0103 \u00een mas\u0103 de la sf\u00e2r\u0219itul secolului al XIX-lea pentru a fi utilizat\u0103 ca abraziv, cum ar fi ro\u021bile de \u0219lefuit \u0219i uneltele de t\u0103iere, \u00een c\u0103ptu\u0219eli refractare pentru pompe, motoare de rachete \u0219i alte utilaje, ca piese rezistente la uzur\u0103, rigiditatea, rezisten\u021ba la \u0219ocuri termice \u0219i rezisten\u021ba sunt, de asemenea, propriet\u0103\u021bi de dorit pentru fabricarea oglinzilor telescopice din acest material.<\/p>\n
Metoda original\u0103 a lui Acheson de producere a SiC r\u0103m\u00e2ne \u00een centrul produc\u021biei moderne pentru utilizarea \u00een materiale abrazive, metalurgice \u0219i refractare. Materiile prime sunt \u00eenc\u0103lzite la temperaturi ridicate \u00eentr-un cuptor deschis p\u00e2n\u0103 c\u00e2nd se formeaz\u0103 un agregat de SiC cristalin verde spre negru, \u00eenconjurat de siliciu par\u021bial sau total neconvertit \u0219i carbon sub form\u0103 de cocs de petrol.<\/p>\n
<\/p>","protected":false},"excerpt":{"rendered":"
Silicon Carbide Powder – High Efficiency Abrasive for Industrial Use Silicon carbide (SiC) is an inorganic chemical compound composed of […]<\/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":"default","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":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","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-358","post","type-post","status-publish","format-standard","hentry","category-product-related"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/siliconcarbideceramic.net\/ro\/wp-json\/wp\/v2\/posts\/358","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/siliconcarbideceramic.net\/ro\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/siliconcarbideceramic.net\/ro\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/siliconcarbideceramic.net\/ro\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/siliconcarbideceramic.net\/ro\/wp-json\/wp\/v2\/comments?post=358"}],"version-history":[{"count":1,"href":"https:\/\/siliconcarbideceramic.net\/ro\/wp-json\/wp\/v2\/posts\/358\/revisions"}],"predecessor-version":[{"id":360,"href":"https:\/\/siliconcarbideceramic.net\/ro\/wp-json\/wp\/v2\/posts\/358\/revisions\/360"}],"wp:attachment":[{"href":"https:\/\/siliconcarbideceramic.net\/ro\/wp-json\/wp\/v2\/media?parent=358"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/siliconcarbideceramic.net\/ro\/wp-json\/wp\/v2\/categories?post=358"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/siliconcarbideceramic.net\/ro\/wp-json\/wp\/v2\/tags?post=358"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}