Silicio karbidas yra i\u0161skirtin\u0117 neoksidin\u0117 keramin\u0117 med\u017eiaga, pasi\u017eyminti i\u0161skirtin\u0117mis savyb\u0117mis. D\u0117l savo ypatingo kietumo silicio karbidas yra ideali med\u017eiaga, skirta gaminti atsparias dilimui detales ar abrazyvus.<\/p>\n
Be to, jis pasi\u017eymi puikiu atsparumu korozijai ir gali saugiai veikti ilg\u0105 laik\u0105 r\u016bg\u0161tin\u0117je, \u0161armin\u0117je ir oksiduojan\u010dioje aplinkoje. Be to, d\u0117l savo savybi\u0173 auk\u0161toje temperat\u016broje jis tinka naudoti lydyto metalo krosnyse ir kituose kaitinimo \u012frenginiuose.<\/p>\n
Silicio karbidas \u017einomas d\u0117l savo ypatingo atsparumo korozijai ir pasi\u017eymi 9 bal\u0173 pagal Moso skal\u0119 kietumu. Jis taip pat pasi\u017eymi puikiu atsparumu nusid\u0117v\u0117jimui, tod\u0117l yra puikus pasirinkimas taikymams, kuriuose dirbama ekstremaliomis aplinkos s\u0105lygomis. Be to, silicio karbidas veikia kaip elektros izoliatorius.<\/p>\n
Pagrindin\u0117 deguonies krosnis, dar vadinama Linco-Donavico plieno gamybos procesu arba plieno gamyba deguonies konverteryje, sudaro 67% pasaulin\u0117s neapdoroto plieno produkcijos. \u0160i technologija remiasi deguonies \u012fp\u016btimu \u012f i\u0161lydyt\u0105 ket\u0173, esant\u012f ugniai atspariu sluoksniu i\u0161klotame inde, siekiant j\u012f oksiduoti ir pagaminti neapdorot\u0105 plien\u0105.<\/p>\n
\u0160iuolaikin\u0117se plieno gamyklose paprastai taikomas bazinis deguonies krosni\u0173 procesas, kurio metu i\u0161lydytas gele\u017eis sumai\u0161omas su grynu deguonimi, kad plienas b\u016bt\u0173 pagamintas greitai ir efektyviai. Daugiakanal\u0117 lanca pu\u010dia \u0161\u012f gryn\u0105 deguon\u012f vir\u0161 konverterio kameros, kur jis virsta egzoterminiu \u0161ilumu, i\u0161tirpdydamas anglies nuos\u0117das ir tuo pa\u010diu metu suformuodamas \u012fvairiems tikslams tinkam\u0105 plien\u0105.<\/p>\n
Plieno gamyklos \u2013 tai dideli integruoti kompleksai, kuri\u0173 statyba ir eksploatacija paprastai kainuoja nuo $1 iki $4 milijard\u0173, kuriuose gaminami \u012fvair\u016bs gatavi produktai, tokie kaip storios plok\u0161t\u0117s ir vamzd\u017eiai, taip pat b\u0117giai ir strypai, o metinis gamybos paj\u0117gumas vir\u0161ija 2 000 000 ton\u0173 per metus.<\/p>\n
Integruotos plieno gamyklos paprastai susideda i\u0161 koksavimo krosni\u0173 ir anglies chemijos gamyklos, aglomeravimo gamyklos, auk\u0161takrosn\u0117s, plieno lydymo cecho ir valcavimo stakli\u0173. Auk\u0161takrosn\u0117je gele\u017eies r\u016bda paver\u010diama skystu plienu, kuris v\u0117liau gali b\u016bti liejamas \u012f \u012fvairias formas.<\/p>\n
Gamybos proceso planavimas plieno gamykloje reikalauja i\u0161samaus vis\u0173 jos proced\u016br\u0173 supratimo. Jei ankstesn\u0117s proced\u016bros negali veiksmingai s\u0105veikauti su v\u0117lesn\u0117mis, gali b\u016bti \u0161vaistomi \u012franga ir \u017emogi\u0161kieji i\u0161tekliai; tikrosios optimizavimo galimyb\u0117s, per\u017eengian\u010dios tradicines sistem\u0173 ribas, gali tapti \u0161io i\u0161\u0161\u016bkio sprendimu. Per pastaruosius penkiolika met\u0173 energijos intensyvumas \u0161ioje pramon\u0117s \u0161akoje \u017eymiai suma\u017e\u0117jo.<\/p>\n
Silicio karbidas yra viena i\u0161 kietiausi\u0173 \u017einom\u0173 med\u017eiag\u0173, kurios kietumas pagal Moso skal\u0119 prilygsta deimantui. D\u0117l savo puikaus atsparumo nusid\u0117v\u0117jimui jis pla\u010diai naudojamas abrazyviniame apdirbime. Be to, silicio karbidas pasi\u017eymi i\u0161skirtiniu atsparumu korozijai, nes i\u0161laiko savo stiprum\u0105 net esant 2700 \u00b0C temperat\u016brai.<\/p>\n
Cheminio apdorojimo aplinkose metalai da\u017enai susiduria su r\u016bg\u0161timis, \u0161armais ir kitomis \u017ealingomis med\u017eiagomis; be to, \u0161is metalas pasi\u017eymi puikiu \u0161ilumos laidumu ir ma\u017eu pl\u0117timosi koeficientu, o tai u\u017etikrina didesn\u012f patikimum\u0105.<\/p>\n
Karborund\u0105 galima legiruoti fosforu arba azotu, kad b\u016bt\u0173 gautas n-tipo puslaidininkis, o beriliu, boru, aliuminiu ir galiu \u2013 p-tipo legiravimui. D\u0117l pla\u010dios juostos spragos, leid\u017eian\u010dios efektyviau perduoti elektros energij\u0105 nei tradiciniai puslaidininkiai, tokie kaip silicio ar germanio puslaidininkiai, jis tinka naudoti galios elektronikoje, pavyzd\u017eiui, DC\/DC keitikliuose, skirtuose elektromobili\u0173 \u012fkrovimo sistemoms; LED gamyboje, taip pat brangakmeni\u0173 pjaustymo ir poliravimo procesuose. Pats karborundas kartais netgi gali b\u016bti naudojamas kaip brangakmenis!<\/p>\n
Silicio karbidas atlieka lemiam\u0105 vaidmen\u012f automobili\u0173 gamyboje ir si\u016blo daugyb\u0119 privalum\u0173, padedan\u010di\u0173 suma\u017einti energijos suvartojim\u0105 bei s\u0105skaitas u\u017e elektr\u0105. Silicio karbidas suteikia didel\u012f taupymo potencial\u0105 visoje pramon\u0117s \u0161akoje, kuri, jam atliekant savo vaidmen\u012f, susiduria su tokiais dramati\u0161kais poky\u010diais.<\/p>\n
Silicio karbidas (SiC) \u2013 tai itin kietas ir patvarus sinteti\u0161kai pagamintas kristalinis junginys, sudarytas i\u0161 silicio ir anglies, paprastai parduodamas kaip sukepinta med\u017eiaga ir gaminamas taikant \u012fvairius metodus, pavyzd\u017eiui, rekristalizacij\u0105, kar\u0161t\u0105j\u012f presavim\u0105, mikrobang\u0173 sukepinim\u0105, reakcijos sukepinim\u0105 arba sukepinim\u0105 be sl\u0117gio. Silicio karbidas atlieka svarbi\u0105 funkcij\u0105 kaip abrazyvin\u0117 med\u017eiaga ir naudojamas \u0161lifavimo diskams, pjovimo \u012frankiams bei \u0161lifavimo popieriaus gaminiams gaminti.<\/p>\n
Silicio karbidas pasi\u017eymi i\u0161skirtin\u0117mis elektrin\u0117mis savyb\u0117mis d\u0117l savo puslaidininkinio pob\u016bd\u017eio. \u0160ios med\u017eiagos atsparumas organin\u0117ms ir neorganin\u0117ms r\u016bg\u0161tims, druskoms bei \u0161armams yra prana\u0161esnis u\u017e daugelio kit\u0173 pana\u0161i\u0173 med\u017eiag\u0173 \u2013 atsparumo skirtumas siekia net septynis dyd\u017eio eil\u0117s laipsnius; tod\u0117l \u0161i izoliacin\u0117 med\u017eiaga tinka naudoti, pavyzd\u017eiui, elektromobili\u0173 traukos keitikliuose, taip pat energijos kaupimo sistem\u0173 DC\/DC keitikliuose.<\/p>","protected":false},"excerpt":{"rendered":"
Silicon carbide is an outstanding nonoxide ceramic material with exceptional properties. Particularly hard, silicon carbide makes an ideal material for making wear-resistant components or abrasives. It also offers excellent corrosion resistance and can operate safely for extended periods in acid, alkali and oxidative environments. Furthermore, its high temperature performance makes it suitable for use in […]<\/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":[64],"tags":[],"class_list":["post-114","post","type-post","status-publish","format-standard","hentry","category-knowledge"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/ceramicatijolart.com\/lt\/wp-json\/wp\/v2\/posts\/114","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ceramicatijolart.com\/lt\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ceramicatijolart.com\/lt\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ceramicatijolart.com\/lt\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ceramicatijolart.com\/lt\/wp-json\/wp\/v2\/comments?post=114"}],"version-history":[{"count":1,"href":"https:\/\/ceramicatijolart.com\/lt\/wp-json\/wp\/v2\/posts\/114\/revisions"}],"predecessor-version":[{"id":115,"href":"https:\/\/ceramicatijolart.com\/lt\/wp-json\/wp\/v2\/posts\/114\/revisions\/115"}],"wp:attachment":[{"href":"https:\/\/ceramicatijolart.com\/lt\/wp-json\/wp\/v2\/media?parent=114"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ceramicatijolart.com\/lt\/wp-json\/wp\/v2\/categories?post=114"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ceramicatijolart.com\/lt\/wp-json\/wp\/v2\/tags?post=114"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}