Sil\u012bcija karb\u012bda t\u012b\u0123e\u013cus izmanto met\u0101lu kaus\u0113\u0161anas procesos, lai aizsarg\u0101tu izkaus\u0113to materi\u0101lu no pies\u0101r\u0146ojuma un nodiluma, iztur\u0113tu augstas temperat\u016bras, vienlaikus nodro\u0161inot izcilu \u0137\u012bmisko iztur\u012bbu un ilgu kalpo\u0161anas laiku.<\/p>\n
SiC graf\u012bta t\u012b\u0123e\u013cu iepriek\u0161\u0113ja uzsild\u012b\u0161ana pirms lieto\u0161anas pal\u012bdz\u0113s nov\u0113rst to fiziskus boj\u0101jumus, izvadot mitrumu, kas uzkr\u0101jies ra\u017eo\u0161anas, uzglab\u0101\u0161anas un transport\u0113\u0161anas proces\u0101.<\/p>\n
Sil\u012bcija karb\u012bds (SiC) ir \u012bpa\u0161i iztur\u012bgs materi\u0101ls, ko izmanto lie\u0161anas t\u012b\u0123e\u013cu ra\u017eo\u0161an\u0101. \u0160ie trauki kalpo met\u0101la kaus\u0113\u0161anai un notur\u0113\u0161anai lie\u0161anas proces\u0101, un tiem ir j\u0101iztur ekstrem\u0101las temperat\u016bras un termiskie triecieni, nesadaloties, un vienlaikus j\u0101b\u016bt iztur\u012bgiem pret koroziju, lai pagarin\u0101tu to kalpo\u0161anas laiku. SiC t\u012b\u0123e\u013ci ir ide\u0101la izv\u0113le, jo tiem piem\u012bt izcila termisk\u0101 iztur\u012bba un pretkorozijas \u012bpa\u0161\u012bbas.<\/p>\n
Ra\u017eo\u0161anas proces\u0101 ra\u017eot\u0101ji no graf\u012bta pulvera veido t\u012b\u0123e\u013cus un pirms pi\u0137a impregn\u0113\u0161anas un grafitifik\u0101cijas tos apdedzina kr\u0101sn\u012b vai kr\u0101sn\u012b. P\u0113c pabeig\u0161anas \u0161iem t\u012b\u0123e\u013ciem ir j\u0101iziet pla\u0161as p\u0101rbaudes, lai p\u0101rliecin\u0101tos, ka tie atbilst specifik\u0101cij\u0101m; \u0161o stingro p\u0101rbau\u017eu laik\u0101 tiek piem\u0113rotas ekstr\u0113mas temperat\u016bras un spiediens, lai p\u0101rbaud\u012btu iztur\u012bbu.<\/p>\n
Lai gan SiC graf\u012bta t\u012b\u0123e\u013ci ir relat\u012bvi iztur\u012bgi pret termisko \u0161oku, pirms lieto\u0161anas tos ieteicams iepriek\u0161 uzsild\u012bt. Tas nov\u0113rs\u012bs p\u0101r\u0101k strauju t\u012b\u0123e\u013ca atdzi\u0161anu, kas var izrais\u012bt plaisas un boj\u0101jumus. Turkl\u0101t ir \u013coti svar\u012bgi nepak\u013caut t\u012b\u0123eli viel\u0101m, kas satur kod\u012bgus vai rea\u0123\u0113jo\u0161us elementus, kuri var\u0113tu apdraud\u0113t t\u0101 integrit\u0101ti vai izrais\u012bt pies\u0101r\u0146ojumu ar izded\u017eu nogulsn\u0113m.<\/p>\n
Sil\u012bcija karb\u012bda t\u012b\u0123e\u013ci ir iztur\u012bgi pret koroziju, t\u0101p\u0113c tie ir piem\u0113roti noteiktiem lietojumiem, savuk\u0101rt to iztur\u012bba pret termiskiem triecieniem padara tos piem\u0113rotus melno un kr\u0101saino met\u0101lu sakaus\u0113jumu kaus\u0113\u0161anai un lie\u0161anai. To efekt\u012bv\u0101 siltuma p\u0101rnese veicina \u0101tr\u0101ku kaus\u0113\u0161anas un dzes\u0113\u0161anas procesu norisi. Sil\u012bcija karb\u012bda t\u012b\u0123e\u013ciem ir ar\u012b v\u0113rt\u012bga loma juvelierizstr\u0101d\u0101jumu lietuv\u0113s, lai kaus\u0113tu d\u0101rgmet\u0101lus, piem\u0113ram, zeltu, sudrabu, plat\u012bnu un varu.<\/p>\n
Izv\u0113loties ide\u0101lo t\u012b\u0123eli savam pielietojumam, r\u016bp\u012bgi j\u0101apsver kr\u0101sns tips, kaus\u0113\u0161anas jauda un met\u0101lu veids, kurus paredz\u0113ts kaus\u0113t. Turkl\u0101t t\u0101 sader\u012bba ar jebk\u0101d\u0101m piedev\u0101m vai ku\u0161\u0146iem, ko j\u016bs var\u0113tu izmantot, nodro\u0161in\u0101s p\u0113c iesp\u0113jas ilg\u0101ku t\u0101 kalpo\u0161anas laiku. Prec\u012bzs t\u0101s izmanto\u0161anas \u017eurn\u0101ls var pal\u012bdz\u0113t noteikt, kad t\u0101s kalpo\u0161anas laiks ir beidzies.<\/p>\n
Korozija t\u012b\u0123e\u013cos parasti izpau\u017eas k\u0101 ieplakas uz to apak\u0161\u0113j\u0101s virsmas, ko izraisa piedevas un met\u0101la oks\u012bds, kas peld to iek\u0161ien\u0113. \u0160\u012bs nogulsnes var nov\u0113rst, izmantojot augst\u0101kas kvalit\u0101tes izded\u017eus un p\u0113c iesp\u0113jas zem\u0101ku temperat\u016bru. Turkl\u0101t, pievienojot fluksu p\u0113c tam, kad viss met\u0101ls ir piln\u012bb\u0101 izkaus\u0113ts, var aizsarg\u0101t t\u012b\u0123e\u013cus pret turpm\u0101kiem korozijas boj\u0101jumiem.<\/p>\n
Sil\u012bcija karb\u012bda t\u012b\u0123e\u013ci ir ide\u0101li piem\u0113roti izmanto\u0161anai ar rea\u0123\u0113tsp\u0113j\u012bgiem elementiem un savienojumiem, jo tie ir \u0137\u012bmiski inerti un iztur\u012bgi pret sk\u0101biem un s\u0101rmainiem materi\u0101liem. To inertums padara tos piem\u0113rotus ar\u012b \u0137\u012bmiskai sint\u0113zei, k\u0101 ar\u012b reakcij\u0101m augst\u0101 temperat\u016br\u0101. Parasti tos izgatavo no pulvera un saistvielas mais\u012bjuma, p\u0113c tam noform\u0113 v\u0113lamaj\u0101 t\u012b\u0123e\u013ca form\u0101 pirms apdedzin\u0101\u0161anas \u013coti augst\u0101 temperat\u016br\u0101, l\u012bdz tiek pan\u0101kta piln\u012bga sabl\u012bv\u0113\u0161an\u0101s un iztur\u012bba. P\u0113c apdedzin\u0101\u0161anas pabeig\u0161anas tiek pabeigta galaprodukta pieg\u0101de, un p\u0113c tam tiek apstr\u0101d\u0101ti izm\u0113ri un veikta virsmas apstr\u0101de.<\/p>\n
\u0160ie t\u012b\u0123e\u013ci ir ide\u0101li piem\u0113roti kr\u0101saino met\u0101lu un sakaus\u0113jumu, piem\u0113ram, zelta un sudraba, kaus\u0113\u0161anai, k\u0101 ar\u012b met\u0101llietuvju darbiem, lai lietos \u010dugunu un metalur\u0123ijas laboratorij\u0101s veiktu eksperimentus augst\u0101 temperat\u016br\u0101. Tie ir ne tikai iztur\u012bgi pret koroziju, bet tiem ir ar\u012b lieliska termisko triecienu iztur\u012bba!<\/p>\n
Lai sil\u012bcija karb\u012bda graf\u012bta t\u012b\u0123elim nodro\u0161in\u0101tu p\u0113c iesp\u0113jas ilg\u0101ku kalpo\u0161anas laiku, p\u0101rliecinieties, ka tas vienm\u0113r ir sauss un t\u012brs. T\u012brot t\u012b\u0123eli p\u0113c katras lieto\u0161anas reizes, nodro\u0161iniet, lai no t\u0101 oder\u0113juma regul\u0101ri tiktu no\u0146emti izded\u017ei. Turkl\u0101t, re\u0123istr\u0113jot, cik bie\u017ei un k\u0101da veida materi\u0101lu kaus\u0113jat, var paredz\u0113t, kad ir pien\u0101cis laiks t\u012b\u0123eli nomain\u012bt, k\u0101 ar\u012b viegli noteikt, kur\u0161 veids vislab\u0101k atbilst j\u016bsu kr\u0101snij.<\/p>\n
Sil\u012bcija karb\u012bda t\u012b\u0123e\u013ciem ir zema termisk\u0101 izple\u0161an\u0101s, un tie ir ide\u0101li piem\u0113roti kr\u0101saino met\u0101lu, piem\u0113ram, zelta, sudraba, vara, alum\u012bnija, svina-cinka un vid\u0113ja oglek\u013ca t\u0113rauda kaus\u0113\u0161anai. To sp\u0113ja iztur\u0113t augstas temperat\u016bras un \u0101trus kars\u0113\u0161anas\/atdzes\u0113\u0161anas ciklus kaus\u0113\u0161anas laik\u0101 padara \u0161os t\u012b\u0123e\u013cus ide\u0101li piem\u0113rotus gan d\u0101rgmet\u0101lu kaus\u0113\u0161anas\/lie\u0161anas procesiem, gan izmanto\u0161anai kr\u0101sn\u012bs. Tie bie\u017ei tiek izmantoti d\u0101rgmet\u0101lu kaus\u0113\u0161anas\/lie\u0161anas procesos, k\u0101 ar\u012b grunts kr\u0101sn\u012bs.<\/p>\n
Graf\u012bts ir \u013coti iztur\u012bgs materi\u0101ls, kas labi iztur augstu temperat\u016bru un meh\u0101nisko slodzi. Tom\u0113r tas var saplais\u0101t, ja t\u012b\u0123elis tiek p\u0101rkars\u0113ts vai p\u0113k\u0161\u0146i main\u0101s temperat\u016bra; lai aizsarg\u0101tu \u0161o materi\u0101lu, pirms lieto\u0161anas t\u012b\u0123eli ir lietder\u012bgi to nosegt un iepriek\u0161 uzsild\u012bt.<\/p>\n
T\u012b\u0123e\u013ca boj\u0101jumus var b\u016bt gr\u016bti nov\u0113rst. Viens no bie\u017e\u0101k sastopamajiem sare\u017e\u0123\u012bjumiem ir garenvirziena plaisas t\u0101 virsm\u0101, ko izraisa strauja pogas kars\u0113\u0161ana vai \u0137\u012bmisks uzbrukums, kura rezult\u0101t\u0101 rodas plaisas. Cita iesp\u0113jama probl\u0113ma ir boj\u0101jumi, kas radu\u0161ies berzes vai \u0137\u012bmisk\u0101 iedarb\u012bbas rezult\u0101t\u0101, kas ar\u012b var rad\u012bt plaisas.<\/p>\n
Lai mazin\u0101tu \u0161o iesp\u0113ju, ir \u013coti svar\u012bgi regul\u0101ri t\u012br\u012bt un atka\u013c\u0137ot t\u012b\u0123eli, lai no\u0146emtu no t\u0101 izded\u017eus - tas nov\u0113rs\u012bs to ietekmi uz turpm\u0101kaj\u0101m kaus\u0113\u0161anas procesiem un pasarg\u0101s to no \u0137\u012bmiskiem boj\u0101jumiem. Turkl\u0101t centieties p\u0101rm\u0113r\u012bgi nelietot ku\u0161\u0146u piedevas - ku\u0161\u0146i var saboj\u0101t t\u012b\u0123e\u013cus, radot to konstrukcij\u0101 neparedz\u0113tus sprieguma punktus un t\u0101d\u0113j\u0101di palielinot spriedzi cit\u0101s trauka viet\u0101s.<\/p>","protected":false},"excerpt":{"rendered":"
Silicon carbide crucibles are used in metal smelting processes to protect molten material from contamination and abrasion, withstanding high temperatures […]<\/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":[5],"tags":[],"class_list":["post-98","post","type-post","status-publish","format-standard","hentry","category-product-related"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/siliconcarbideceramic.net\/lv\/wp-json\/wp\/v2\/posts\/98","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/siliconcarbideceramic.net\/lv\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/siliconcarbideceramic.net\/lv\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/siliconcarbideceramic.net\/lv\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/siliconcarbideceramic.net\/lv\/wp-json\/wp\/v2\/comments?post=98"}],"version-history":[{"count":1,"href":"https:\/\/siliconcarbideceramic.net\/lv\/wp-json\/wp\/v2\/posts\/98\/revisions"}],"predecessor-version":[{"id":99,"href":"https:\/\/siliconcarbideceramic.net\/lv\/wp-json\/wp\/v2\/posts\/98\/revisions\/99"}],"wp:attachment":[{"href":"https:\/\/siliconcarbideceramic.net\/lv\/wp-json\/wp\/v2\/media?parent=98"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/siliconcarbideceramic.net\/lv\/wp-json\/wp\/v2\/categories?post=98"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/siliconcarbideceramic.net\/lv\/wp-json\/wp\/v2\/tags?post=98"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}