{"id":356,"date":"2024-10-28T16:44:15","date_gmt":"2024-10-28T08:44:15","guid":{"rendered":"http:\/\/siliconcarbideceramic.net\/?p=356"},"modified":"2024-10-28T16:44:15","modified_gmt":"2024-10-28T08:44:15","slug":"silicio-karbido-milteliai-didelio-nasumo-abrazyvas-pramoniniam-naudojimui","status":"publish","type":"post","link":"https:\/\/siliconcarbideceramic.net\/lt\/silicon-carbide-powder-high-performance-abrasive-for-industrial-applications\/","title":{"rendered":"Silicio karbido milteliai: auk\u0161tos kokyb\u0117s abrazyvas pramonin\u0117ms reikm\u0117ms"},"content":{"rendered":"<h1>Silicio karbido milteliai - auk\u0161tos kokyb\u0117s abrazyvas pramonin\u0117ms reikm\u0117ms<\/h1>\n<p>Silicio karbido milteliai yra nat\u016braliai susidar\u0119s silicio ir anglies derinys, sudarantis itin kiet\u0105, bet lengv\u0105 keramin\u0119 med\u017eiag\u0105. Grynas ir bespalvis \u017ealiasis silicio karbidas da\u017eniausiai naudojamas abrazyviniams gaminiams, pavyzd\u017eiui, \u0161lifavimo diskams ir pjovimo diskams, gaminti, taip pat puslaidininki\u0173 gamyboje, kur labai svarbus jo grynumas ir elektrin\u0117s savyb\u0117s.<\/p>\n<h2>Kietumas<\/h2>\n<p>SiC, paprastai vadinamas karborundu, yra itin kieta med\u017eiaga, kietesn\u0117 yra tik deimantas ir boro karbidas. D\u0117l ypatingo kietumo ir stipri\u0173 fizikini\u0173 savybi\u0173 SiC yra ne\u012fkainojamas komponentas pramoniniuose \u012frenginiuose, kur b\u016btinas atsparumas ekstremalioms s\u0105lygoms. Be to, d\u0117l savo tvirto tvirtumo jis gali nesunkiai atlaikyti auk\u0161t\u0105 temperat\u016br\u0105 ir elektros \u012ftamp\u0105.<\/p>\n<p>D\u0117l cheminio inerti\u0161kumo kvarcas yra atsparus oksidacijai ir kitoms pavojingoms chemin\u0117ms reakcijoms, tod\u0117l laboratorijose u\u017etikrinamas didelis grynumas, tikslumas ir patikimumas atliekant analitinius darbus ir eksperimentus.<\/p>\n<p>Silicio karbidas jau seniai naudojamas didel\u0117s i\u0161tverm\u0117s reikalaujan\u010diose srityse, pavyzd\u017eiui, automobili\u0173 stabd\u017eiuose ir sankabose, taip pat neper\u0161aunamose liemen\u0117se esan\u010diose keramin\u0117se plok\u0161tel\u0117se. Pastaruoju metu silicio karbidas tapo vis populiaresnis naudojant j\u012f elektrin\u0117se transporto priemon\u0117se, nes jis padeda prailginti nuva\u017eiuojam\u0105 atstum\u0105 didindamas elektros energijos konversijos sistem\u0173 efektyvum\u0105 - tai galima pasiekti ma\u017einant keitikli\u0173 dyd\u012f ir svor\u012f, ta\u010diau i\u0161laikant na\u0161um\u0105, o jo izoliacin\u0117s savyb\u0117s padeda suma\u017einti \u012ftampos \u0161uolius ar vir\u0161\u012ftampius, kurie gali atsirasti elektros energijos konversijos sistemose.<\/p>\n<h2>\u0160ilumos laidumas<\/h2>\n<p>Silicio karbido milteliai yra kietas cheminis junginys, sudarytas i\u0161 silicio ir anglies, naudojamas kaip energinis puslaidininkis, pasi\u017eymintis pla\u010dios pralaidumo juostos savyb\u0117mis ir galintis atlaikyti auk\u0161t\u0105 temperat\u016br\u0105. Nat\u016braliai randamas kaip moisanito brangakmenis, masi\u0161kai gaminamas gr\u016bdeli\u0173 ir milteli\u0173 pavidalu, taip pat pla\u010diai naudojamas abrazyvams ar funkcinei keramikai.<\/p>\n<p>Varis pasi\u017eymi i\u0161skirtiniu \u0161ilumos laidumu ir atsparumu korozijai, tod\u0117l jis yra puiki med\u017eiaga abrazyviniams gaminiams, tokiems kaip \u0161ratasvyd\u017eio antgaliai ir ciklon\u0173 komponentai, gaminti. Be to, jis pla\u010diai naudojamas funkcinei keramikai, pa\u017eangioms ugniai atsparioms med\u017eiagoms ir metalurgin\u0117ms \u017ealiavoms gaminti.<\/p>\n<p>Juodasis SiC pla\u010diai naudojamas silicio plok\u0161tel\u0117ms ir pad\u0117klams gaminti, kurie naudojami galios puslaidininkiuose, \u0161viesos dioduose, optoelektroniniuose prietaisuose ir elektrin\u0117se transporto priemon\u0117se. I\u0161 juodojo SiC pagaminti \u0161lifuoti ir u\u017eglaistyti pavir\u0161iai naudojami elektromobili\u0173 k\u0117bulams, kad b\u016bt\u0173 pasiekti tiksl\u016bs matmenys su lygiais pavir\u0161iais, siekiant tiksli\u0173 matmen\u0173 ir lygios apdailos, padidinant akumuliatoriaus tarnavimo laik\u0105 ir nuva\u017eiuojam\u0105 atstum\u0105, kartu suma\u017einant galios keitikli\u0173 ir (arba) keitikli\u0173 dyd\u012f ir (arba) svor\u012f. Greituosiuose traukiniuose juodas SiC naudojamas ir d\u0117l kietumo, atsparumo dilimui ir elektrini\u0173 savybi\u0173.<\/p>\n<h2>Atsparumas d\u0117v\u0117jimuisi<\/h2>\n<p>Silicio karbidas yra viena kie\u010diausi\u0173 \u017emonijai \u017einom\u0173 med\u017eiag\u0173, pasi\u017eyminti ne\u012ftik\u0117tinu 32 GPa kietumu - pagal kietum\u0105 su juo gali var\u017eytis tik deimantas ir boro karbidas. Be to, \u0161i med\u017eiaga pasi\u017eymi i\u0161skirtiniu atsparumu lenkimui, atsparumu l\u016b\u017eiams ir \u012ftr\u016bkim\u0173 plitimui - \u0161ios savyb\u0117s lemia jos ilgaam\u017ei\u0161kum\u0105.<\/p>\n<p>SiC pasi\u017eymi dideliu Youngo moduliu ir 490 MPa atsparumu tempimui, tod\u0117l tinka ekstremalioms \u012ftempi\u0173 s\u0105lygoms ir nesutr\u016bkin\u0117ja veikiant sl\u0117giui. Be to, d\u0117l savo sud\u0117ties SiC yra atsparus r\u016bg\u0161\u010di\u0173 ar \u0161arm\u0173 poveikiui, o d\u0117l didel\u0117s temperat\u016bros tolerancijos gali atlaikyti net 1600 laipsni\u0173 C temperat\u016br\u0105 ir nepatirti pa\u017eeidim\u0173.<\/p>\n<h2>Draugi\u0161kas aplinkai<\/h2>\n<p>Silicio karbidas (SiC) yra neorganinis cheminis junginys, sudarytas i\u0161 silicio ir anglies. Silicio karbido gr\u016bdeliai nat\u016braliai randami kaip moisanito brangakmenis, ta\u010diau silicio karbido gr\u016bdeliai taip pat gali b\u016bti gaminami komerciniais tikslais, naudojami abrazyvams ir sukepinami \u012f automobili\u0173 stabd\u017ei\u0173 trinkeli\u0173 keramikos komponentus, taip pat sukepinami \u012f sukepintus keramikos komponentus, kuriuose yra SCF, siekiant pagaminti sukepintus keramikos krosni\u0173 bald\u0173 ir tigli\u0173 komponentus; sukepinti silicio karbido komponentai taip pat jau de\u0161imtme\u010dius tampa pagrindin\u0117mis sudedamosiomis dalimis auk\u0161tatemperat\u016bri\u0173 keramikos gamybos proces\u0173 keramikos pramon\u0117s ugniai atspariose med\u017eiagose! Jis atlieka svarb\u0173 vaidmen\u012f auk\u0161tos temperat\u016bros metal\u0173 metalurgijoje kaip deoksidatorius ir auk\u0161tos temperat\u016bros med\u017eiaga.<\/p>\n<p>Grynas grafitas yra elektrinis izoliatorius, ta\u010diau sumai\u0161ytas su tokiomis priemai\u0161omis kaip aliuminis, boras ir galis jis tampa pla\u010dios juostos puslaidininkiu, turin\u010diu pla\u010dias tarpines juostas ir tinkamu elektronikos prietaisams gaminti esant auk\u0161tai temperat\u016brai ir \u012ftampai.<\/p>\n<p>Maisto perdirbimo \u012fmon\u0117s siekia didesnio efektyvumo ir saugos, tod\u0117l \u017ealiojo silicio karbido milteliai tapo svarbiu perdirbimo \u012frangos priedu. Jo atsparumas kar\u0161\u010diui ir nusid\u0117v\u0117jimui yra papildomas privalumas, u\u017etikrinantis geresnius perdirbimo rezultatus.<\/p>","protected":false},"excerpt":{"rendered":"<p>Silicon Carbide Powder &#8211; High Performance Abrasive for Industrial Applications Silicon carbide powder is a naturally-occurring combination of silicon and [&hellip;]<\/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-356","post","type-post","status-publish","format-standard","hentry","category-product-related"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/siliconcarbideceramic.net\/lt\/wp-json\/wp\/v2\/posts\/356","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/siliconcarbideceramic.net\/lt\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/siliconcarbideceramic.net\/lt\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/siliconcarbideceramic.net\/lt\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/siliconcarbideceramic.net\/lt\/wp-json\/wp\/v2\/comments?post=356"}],"version-history":[{"count":1,"href":"https:\/\/siliconcarbideceramic.net\/lt\/wp-json\/wp\/v2\/posts\/356\/revisions"}],"predecessor-version":[{"id":357,"href":"https:\/\/siliconcarbideceramic.net\/lt\/wp-json\/wp\/v2\/posts\/356\/revisions\/357"}],"wp:attachment":[{"href":"https:\/\/siliconcarbideceramic.net\/lt\/wp-json\/wp\/v2\/media?parent=356"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/siliconcarbideceramic.net\/lt\/wp-json\/wp\/v2\/categories?post=356"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/siliconcarbideceramic.net\/lt\/wp-json\/wp\/v2\/tags?post=356"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}