Nitridais suri\u0161tas silicio karbidas yra i\u0161skirtin\u0117 in\u017einerin\u0117 med\u017eiaga, pasi\u017eyminti ypatingu vidiniu stiprumu, atsparumu temperat\u016brai ir oksidacijai. Ji pasi\u017eymi didesniu atsparumu kar\u0161\u010diui, palyginti su visais \u017einomais ugniai atspariais k\u016bnais, o jos dilimo greitis yra ma\u017eesnis nei specialaus plieno visose i\u0161bandytose dirvos s\u0105lygose.<\/p>\n
NBSC sukuriami glaud\u017eiai sumai\u0161ant sausus ne\u012ftik\u0117tinai smulkios tekst\u016bros silicio miltelius su SiC milteliais ir formuojant juos \u012f formuojam\u0105 mas\u0119. Po to jie deginami atmosferoje, kurioje n\u0117ra deguonies, kad did\u017eioji dalis silicio virst\u0173 silicio nitridu.<\/p>\n
Nitridais suri\u0161tas silicio karbidas yra tvirta med\u017eiaga, sukurta atlaikyti auk\u0161t\u0105 temperat\u016br\u0105, kartu pasi\u017eyminti mechaniniu tvirtumu ir geru atsparumu dilimui, tod\u0117l tai ekonomi\u0161kas sprendimas, kai reikia didelio atsparumo dilimui.<\/p>\n
Su nitridais suri\u0161tas silicio karbidas visais bandytais dirvo\u017eemiais, ypa\u010d lengvuose dirvo\u017eemiuose su biriais sm\u0117lio gr\u016bdeliais, buvo prana\u0161esnis u\u017e XAR 600 plien\u0105, F-61 trinkeli\u0173 si\u016bl\u0119 ir 38GSA plien\u0105.<\/p>\n
NBSC plytos idealiai tinka \u012fvairioms ugniai atsparioms med\u017eiagoms, \u012fskaitant krosni\u0173 plok\u0161tes, rekuperatori\u0173 vamzd\u017eius, st\u016bmimo plok\u0161tes, sijas, krosni\u0173 bald\u0173 atramas ir stygas. D\u0117l j\u0173 universalumo galima lieti dideles ir sud\u0117tingas formas, o d\u0117l atsparumo cheminiams ir \u0161iluminiams sm\u016bgiams \u0161i med\u017eiaga tinka naudoti pramon\u0117je.<\/p>\n
Nitridais suri\u0161tas silicio karbidas yra pla\u010diai pripa\u017eintas d\u0117l savo i\u0161skirtinio atsparumo terminiams sm\u016bgiams, tod\u0117l yra naudingas sud\u0117tingoje aplinkoje. Be to, d\u0117l geb\u0117jimo atlaikyti dilim\u0105 \u012fvairiomis dirvos s\u0105lygomis ir didelio atsparumo abrazyviniam dilimui jis yra prana\u0161esnis u\u017e plienus ir boro plieno med\u017eiagas, naudojamas kaip darbin\u0117s dalys dirvos mas\u0117ms apdirbti; ta\u010diau specialios formos med\u017eiagos ne taip veiksmingai perduoda gniu\u017edymo apkrovas.<\/p>\n
Nitridais suri\u0161tas silicio karbidas (NBSC) gaminamas elektrin\u0117je krosnyje, esant kontroliuojamai temperat\u016brai ir sl\u0117giui, ir yra \u012fvairi\u0173 standartini\u0173 ir nestandartini\u0173 dyd\u017ei\u0173 bei form\u0173, taip pat \u012fvairaus storio. D\u0117l atsparumo \u0161arm\u0173 erozijai, atsparumo vandens gar\u0173 oksidacijai, atsparumo terminiams sm\u016bgiams ir apsaugos nuo korozijos savybi\u0173 jis yra puikus med\u017eiagos pasirinkimas gele\u017eies auk\u0161takrosni\u0173 kaminams, varpams, bozams ir tiueriams.<\/p>\n
Nitridais suri\u0161tas silicio karbidas yra pa\u017eangi ugniai atspari med\u017eiaga ir konstrukcin\u0117 med\u017eiaga, pasi\u017eyminti daugeliu nauding\u0173 savybi\u0173, \u012fskaitant didel\u012f stiprum\u0105 auk\u0161toje temperat\u016broje, i\u0161skirtin\u012f atsparum\u0105 erozijai, atsparum\u0105 terminiams sm\u016bgiams, atsparum\u0105 oksidacijai ir lengv\u0105 sukepinimo proces\u0105, leid\u017eiant\u012f lengvai formuoti sud\u0117tingas formas.<\/p>\n
\u0160i med\u017eiaga pasi\u017eymi didele laikom\u0105ja galia ir i\u0161skirtiniu atsparumu korozijai r\u016bg\u0161tims, i\u0161lydytoms druskoms ir halogenams. Be to, d\u0117l atsparumo trapiam \u012ftr\u016bkimui ji yra geras pasirinkimas.<\/p>\n
Aliuminio kompozitin\u0117 med\u017eiaga (ACM) pasi\u017eymi geru atsparumu dilimui purioje dirvoje, ta\u010diau jos atsparumas sm\u016bginiam dilimui gali b\u016bti ma\u017eesnis nei plieno ir trinkeli\u0173 suvirinimo si\u016bli\u0173. Atsparumas dilimui did\u0117ja priklausomai nuo gr\u016bdeli\u0173 dyd\u017eio ir dangos tipo. ACM galima rasti naudojam\u0105 krosnies baldams, kai metalurgijos procesai vyksta auk\u0161toje temperat\u016broje, o d\u0117l puikaus atsparumo oksidacijai \u0161i med\u017eiaga yra ne\u012fkainojama esant auk\u0161tai temperat\u016brai.<\/p>\n
Nitridais suri\u0161tas silicio karbidas pasi\u017eymi itin dideliu tvirtumu, tod\u0117l yra puiki med\u017eiaga tiksliajai techninei keramikai gaminti. Be to, \u0161i med\u017eiaga pasi\u017eymi ma\u017eu \u0161iluminiu pl\u0117timusi, tod\u0117l tinka astronomini\u0173 teleskop\u0173 veidrod\u017eiams gaminti.<\/p>\n
Keramikos atsparumas trapiam \u012ftr\u016bkimui yra susij\u0119s su jos gr\u016bdeli\u0173 dyd\u017eiu, o keramikos dilimas buvo ma\u017eesnis nei plieno visomis tirtomis s\u0105lygomis, kai sunkiame dirvo\u017eemyje dilimas buvo 9 kartus ma\u017eesnis, o vidutinio sunkumo dirvo\u017eemyje - 3 kartus ma\u017eesnis.<\/p>\n
Su azotu suri\u0161to silicio karbido (NBC) ugniai atsparios med\u017eiagos yra liejamosios ugniai atsparios med\u017eiagos, paprastai naudojamos sud\u0117tingoms formoms formuoti naudojant \u012fvairius metodus, \u012fskaitant viena\u0161\u012f presavim\u0105 ir slydimo liejim\u0105. Abu b\u016bdai turi sav\u0173 privalum\u0173: viena\u0161is presavimas leid\u017eia pasiekti didel\u012f gamybos efektyvum\u0105, ta\u010diau jis taikomas tik paprastoms geometrijos formoms; slydimo liejimo b\u016bdu galima formuoti \u017ealias formas, ta\u010diau prie\u0161 i\u0161formuojant reikia skirti laiko d\u017eiovinimui.<\/p>\n
Nitridais suri\u0161tas silicio karbidas (NBSiC) yra i\u0161skirtin\u0117 sud\u0117tin\u0117 ugniai atspari med\u017eiaga, pasi\u017eyminti i\u0161skirtin\u0117mis atsparumo terminiam sm\u016bgiui, oksidacijai ir didelio stiprumo savyb\u0117mis. Be to, NBSiC yra atsparus spalvot\u0173j\u0173 metal\u0173, i\u0161lydyt\u0173 \u012f j\u012f lydymo proces\u0173 metu, dr\u0117kinimui; skirtingai nuo nat\u016bralaus moisanito, kuris tik retais atvejais aptinkamas meteorituose, korundo telkiniuose ar kimberlite; did\u017eioji dalis \u0161iandien pasaulyje parduodamo NBSiC yra gaminama sintetiniu b\u016bdu.<\/p>\n
NB SiC gali b\u016bti gaminamas nitridacijos b\u016bdu, kai silicio karbido ir azoto turin\u010di\u0173 jungini\u0173 mi\u0161inys kaitinamas auk\u0161toje temperat\u016broje, kad susidaryt\u0173 tankios ir konsoliduotos med\u017eiagos. Procesas gali b\u016bti vykdomas dviem skirtingais formavimo b\u016bdais: viena\u0161io presavimo ir slydimo liejimo. Viena\u0161io presavimo metu gaunami paprasti geometriniai kompaktai, o slydimo liejimo metu gaminamos sud\u0117tingos formos keramin\u0117s \u017ealios detal\u0117s su unikalia strukt\u016bra; j\u0173 tankis priklauso nuo kiet\u0173j\u0173 daleli\u0173 \u012fkrovos ir ri\u0161iklio kiekio atitinkamose suspensijose.<\/p>","protected":false},"excerpt":{"rendered":"
Nitride-bonded silicon carbide is an exceptional engineering material with superior inherent strength, temperature toughness and oxidation resistance properties. It boasts […]<\/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-34","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\/34","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=34"}],"version-history":[{"count":1,"href":"https:\/\/siliconcarbideceramic.net\/lt\/wp-json\/wp\/v2\/posts\/34\/revisions"}],"predecessor-version":[{"id":35,"href":"https:\/\/siliconcarbideceramic.net\/lt\/wp-json\/wp\/v2\/posts\/34\/revisions\/35"}],"wp:attachment":[{"href":"https:\/\/siliconcarbideceramic.net\/lt\/wp-json\/wp\/v2\/media?parent=34"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/siliconcarbideceramic.net\/lt\/wp-json\/wp\/v2\/categories?post=34"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/siliconcarbideceramic.net\/lt\/wp-json\/wp\/v2\/tags?post=34"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}