Nitr\u012bda saist\u012btais sil\u012bcija karb\u012bds ir izcils in\u017eenierijas materi\u0101ls ar izcilu dabisko iztur\u012bbu, termisko iztur\u012bbu un iztur\u012bbu pret oksid\u0113\u0161anos. Sal\u012bdzin\u0101jum\u0101 ar visiem zin\u0101majiem ugunsiztur\u012bgajiem materi\u0101liem tam piem\u012bt izcila iztur\u012bba augst\u0101 temperat\u016br\u0101, vienlaikus visos p\u0101rbaud\u012btajos augsnes apst\u0101k\u013cos uzr\u0101dot zem\u0101kus nodiluma r\u0101d\u012bt\u0101jus nek\u0101 speci\u0101lie t\u0113raudi.<\/p>\n
NBSC tiek izgatavoti, r\u016bp\u012bgi sajaucot saus\u0101 sil\u012bcija pulveri ar neaptverami smalku tekst\u016bru ar SiC pulveri, p\u0113c tam veidojot no t\u0101 form\u0113jamu masu. P\u0113c tam tos apdedzina atmosf\u0113r\u0101, kur\u0101 nav sk\u0101bek\u013ca, lai liel\u0101ko da\u013cu sil\u012bcija p\u0101rv\u0113rstu par sil\u012bcija nitr\u012bdu.<\/p>\n
Nitr\u012bda saist\u012btais sil\u012bcija karb\u012bds ir iztur\u012bgs materi\u0101ls, kas izstr\u0101d\u0101ts, lai iztur\u0113tu augstas temperat\u016bras, vienlaikus nodro\u0161inot meh\u0101nisko iztur\u012bbu un labu nodilumiztur\u012bbu, t\u0101d\u0113j\u0101di padarot to par ekonomisku risin\u0101jumu lietojumiem, kuros nepiecie\u0161ama augsta nodilumiztur\u012bba.<\/p>\n
Nitr\u012bda saist\u012btais sil\u012bcija karb\u012bds visos p\u0101rbaud\u012btajos augsnes apst\u0101k\u013cos uzr\u0101d\u012bja lab\u0101kus rezult\u0101tus nek\u0101 XAR 600 t\u0113rauds, F-61 pild\u012bjuma metin\u0101jums un 38GSA t\u0113rauds; jo \u012bpa\u0161i vieglos augsnes apst\u0101k\u013cos ar irdeniem smil\u0161u graudi\u0146iem.<\/p>\n
NBSC \u0137ie\u0123e\u013ci ir ide\u0101li piem\u0113roti izmanto\u0161anai da\u017e\u0101dos ugunsiztur\u012bgos pielietojumos, tostarp kr\u0101sns pamatn\u0113s, rekuperatoru caurul\u0113s, st\u016bm\u0113ju pl\u0101tn\u0113s, sij\u0101s, atzaros un garenbalstos kr\u0101sns apr\u012bkojum\u0101. To daudzpus\u012bgums \u013cauj veikt lie\u0161anu liel\u0101s, sare\u017e\u0123\u012bt\u0101s form\u0101s, savuk\u0101rt \u0137\u012bmisk\u0101 iztur\u012bba un iztur\u012bba pret termiskajiem triecieniem padara \u0161o materi\u0101lu piem\u0113rotu izmanto\u0161anai r\u016bpnieciskos apst\u0101k\u013cos.<\/p>\n
Nitr\u012bda saist\u012btais sil\u012bcija karb\u012bds ir pla\u0161i atz\u012bts par savu izcilo iztur\u012bbu pret termisko \u0161oku, kas padara to noder\u012bgu darbam sare\u017e\u0123\u012btos apst\u0101k\u013cos. Turkl\u0101t t\u0101 sp\u0113ja iztur\u0113t berzi da\u017e\u0101dos augsnes apst\u0101k\u013cos un augst\u0101 iztur\u012bba pret abraz\u012bvo nodilumu padara to p\u0101r\u0101ku par t\u0113raudiem un bora t\u0113rauda materi\u0101liem, ko izmanto k\u0101 darba deta\u013cas augsnes masu apstr\u0101dei; tom\u0113r \u012bpa\u0161as formas materi\u0101li nespie\u017eo\u0161\u0101s slodzes p\u0101rvada ne tik efekt\u012bvi.<\/p>\n
Nitr\u012bda saist\u012btais sil\u012bcija karb\u012bds (NBSC) tiek ra\u017eots elektriskaj\u0101 kr\u0101sn\u012b kontrol\u0113tos temperat\u016bras un spiediena apst\u0101k\u013cos, un tas ir pieejams da\u017e\u0101dos standarta un pas\u016bt\u012bjuma izm\u0113ros un form\u0101s, k\u0101 ar\u012b da\u017e\u0101dos biezumos. Pateicoties iztur\u012bbai pret s\u0101rmu eroziju, \u016bdens tvaiku oksid\u0101cijas iztur\u012bbai, termisk\u0101 \u0161oka iztur\u012bbai un korozijas aizsardz\u012bbas \u012bpa\u0161\u012bb\u0101m, tas ir lielisks materi\u0101ls izmanto\u0161anai dzelzs domnas skurste\u0146os, zvani\u0146os, bos\u0113s un p\u016bt\u0113s.<\/p>\n
Nitr\u012bda saist\u012btais sil\u012bcija karb\u012bds ir moderns ugunsiztur\u012bgs materi\u0101ls un konstrukciju materi\u0101ls ar daudz\u0101m izdev\u012bg\u0101m \u012bpa\u0161\u012bb\u0101m, tostarp augstu iztur\u012bbu paaugstin\u0101t\u0101s temperat\u016br\u0101s, izcilu iztur\u012bbu pret eroziju, iztur\u012bbu pret termiskajiem triecieniem, iztur\u012bbu pret oksid\u0113\u0161anos, k\u0101 ar\u012b viegli veicamiem sa\u0137epin\u0101\u0161anas procesiem, kas \u013cauj viegli veidot sare\u017e\u0123\u012btas formas un izstr\u0101d\u0101t sare\u017e\u0123\u012btus dizainus.<\/p>\n
\u0160is materi\u0101ls nodro\u0161ina augstu slodzes iztur\u012bbu un izcilu iztur\u012bbu pret koroziju, ko izraisa sk\u0101bes, kaus\u0113ti s\u0101\u013ci un halog\u0113ni. Turkl\u0101t t\u0101 iztur\u012bba pret trausl\u0101m plais\u0101m padara to par labu izv\u0113li.<\/p>\n
Alum\u012bnija kompoz\u012btmateri\u0101ls (ACM) nodro\u0161ina labu iztur\u012bbu pret berzi irden\u0101 augsn\u0113, ta\u010du, sal\u012bdzinot ar t\u0113raudu un metin\u0101jumiem ar polster\u0113jumu, tas var neiztur\u0113t sal\u012bdzin\u0101jumu attiec\u012bb\u0101 uz iztur\u012bbu pret triecienu izrais\u012btu nodilumu. Iztur\u012bba pret berzi palielin\u0101s atkar\u012bb\u0101 no graudu izm\u0113ra un p\u0101rkl\u0101juma veida. ACM tiek izmantots k\u0101 kr\u0101sns piederumi augsttemperat\u016bras metalur\u0123ijas procesos, savuk\u0101rt t\u0101 izcil\u0101 iztur\u012bba pret oksid\u0101ciju padara to par nenov\u0113rt\u0113jamu materi\u0101lu augsttemperat\u016bras apst\u0101k\u013cos.<\/p>\n
Nitr\u012bda saites sil\u012bcija karb\u012bds izce\u013cas ar \u0101rk\u0101rt\u012bgi augstu iztur\u012bbu, t\u0101d\u0113\u013c tas ir lielisks materi\u0101ls prec\u012bzijas tehniskajai keramikai. Turkl\u0101t \u0161im materi\u0101lam piem\u012bt zems siltuma izple\u0161an\u0101s koeficients, t\u0101d\u0113\u013c tas ir piem\u0113rots astronomisko teleskopu spogu\u013cu izgatavo\u0161anai.<\/p>\n
Keramikas iztur\u012bba pret trauslo plais\u0101\u0161anu ir saist\u012bta ar t\u0101s graudu izm\u0113ru sadal\u012bjumu, un visos p\u0113t\u012btajos apst\u0101k\u013cos keramika uzr\u0101d\u012bja maz\u0101ku nodilumu nek\u0101 t\u0113rauds, turkl\u0101t smag\u0101 augsn\u0113 nodilums bija 9 reizes maz\u0101ks, sal\u012bdzinot ar 3 reizes maz\u0101ku nodilumu vid\u0113jos augsnes apst\u0101k\u013cos.<\/p>\n
Sl\u0101pek\u013ca saist\u012bta sil\u012bcija karb\u012bda (NBC) ugunsiztur\u012bgie materi\u0101li ir liekti ugunsiztur\u012bgie materi\u0101li, kurus parasti izmanto sare\u017e\u0123\u012btu formu veido\u0161anai, izmantojot da\u017e\u0101das metodes, tostarp vienass pres\u0113\u0161anu un lie\u0161anu no \u0161\u0137idr\u0101 materi\u0101la. Ab\u0101m metod\u0113m ir savas priek\u0161roc\u012bbas: vienass pres\u0113\u0161ana nodro\u0161ina augstu ra\u017eo\u0161anas efektivit\u0101ti, ta\u010du ir piem\u0113rota tikai vienk\u0101r\u0161\u0101m \u0123eometrisk\u0101m form\u0101m; lie\u0161ana no \u0161\u0137idr\u0101 materi\u0101la \u013cauj ieg\u016bt neapdedzin\u0101tas formas, ta\u010du pirms iz\u0146em\u0161anas no veidnes ir nepiecie\u0161ams laiks \u017e\u0101v\u0113\u0161anai.<\/p>\n
Nitr\u012bda saist\u012btais sil\u012bcija karb\u012bds (NBSiC) ir izcils kompoz\u012btmateri\u0101ls, kas pieder pie ugunsiztur\u012bgajiem materi\u0101liem un izce\u013cas ar izcilu iztur\u012bbu pret termisko \u0161oku un oksid\u0101ciju, k\u0101 ar\u012b augstu meh\u0101nisko iztur\u012bbu. Turkl\u0101t NBSiC ir iztur\u012bgs pret kr\u0101saino met\u0101lu uzs\u016bk\u0161anos, kas taj\u0101 iek\u013c\u016bst kaus\u0113\u0161anas procesa laik\u0101; at\u0161\u0137ir\u012bb\u0101 no dabisk\u0101 moissan\u012bta, kas reti sastopams meteor\u012btos, korunda atradn\u0113s vai kimberl\u012btos, liel\u0101k\u0101 da\u013ca NBSiC, kas \u0161odien tiek p\u0101rdots vis\u0101 pasaul\u0113, tiek ra\u017eots sint\u0113tiski.<\/p>\n
NB SiC var ra\u017eot, izmantojot nitrid\u0113\u0161anu, kuras laik\u0101 sil\u012bcija karb\u012bda un sl\u0101pekli saturo\u0161u savienojumu mais\u012bjumu kars\u0113 augst\u0101 temperat\u016br\u0101, lai veidotu bl\u012bvus un konsolid\u0113tus materi\u0101lus. \u0160o procesu var veikt, izmantojot divas at\u0161\u0137ir\u012bgas form\u0113\u0161anas metodes: vienass pres\u0113\u0161anu un sl\u012bpveido\u0161anu. Vienass pres\u0113\u0161ana \u013cauj ieg\u016bt vienk\u0101r\u0161as \u0123eometriskas formas blokus, savuk\u0101rt sl\u012bpveido\u0161ana \u2014 sare\u017e\u0123\u012btas formas keramiskas neapdedzin\u0101tas deta\u013cas ar unik\u0101lu strukt\u016bru; to bl\u012bvums ir atkar\u012bgs no cietvielu satura un saistvielas daudzuma attiec\u012bgajos \u0161\u0137idros mais\u012bjumos.<\/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\/lv\/wp-json\/wp\/v2\/posts\/34","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=34"}],"version-history":[{"count":1,"href":"https:\/\/siliconcarbideceramic.net\/lv\/wp-json\/wp\/v2\/posts\/34\/revisions"}],"predecessor-version":[{"id":35,"href":"https:\/\/siliconcarbideceramic.net\/lv\/wp-json\/wp\/v2\/posts\/34\/revisions\/35"}],"wp:attachment":[{"href":"https:\/\/siliconcarbideceramic.net\/lv\/wp-json\/wp\/v2\/media?parent=34"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/siliconcarbideceramic.net\/lv\/wp-json\/wp\/v2\/categories?post=34"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/siliconcarbideceramic.net\/lv\/wp-json\/wp\/v2\/tags?post=34"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}