{"id":12,"date":"2022-12-21T20:54:38","date_gmt":"2022-12-21T12:54:38","guid":{"rendered":"http:\/\/siliconcarbideceramic.net\/?p=12"},"modified":"2022-12-21T21:03:46","modified_gmt":"2022-12-21T13:03:46","slug":"dazada-veida-silicija-karbida-keramika","status":"publish","type":"post","link":"https:\/\/siliconcarbideceramic.net\/lv\/different-kind-silicon-carbide-ceramic\/","title":{"rendered":"da\u017e\u0101da veida sil\u012bcija karb\u012bda keramika"},"content":{"rendered":"

\u0160\u0101da veida sil\u012bcija karb\u012bda keramikas sagatavo\u0161anas process ir sal\u012bdzino\u0161i vienk\u0101r\u0161s. \u0161\u0101da veida sil\u012bcija karb\u012bda keramik\u0101 tie\u0161i izmanto sil\u012bcija karb\u012bdu ar noteiktu da\u013ci\u0146u izm\u0113ru sadal\u012bjumu, p\u0113c sajauk\u0161anas ar oglekli veido embrijus un p\u0113c tam augst\u0101 temperat\u016br\u0101 saciet\u0113. Da\u013ca sil\u012bcija rea\u0123\u0113 ar oglekli, veidojot SiC, kas savienojas ar SIC s\u0101kotn\u0113j\u0101 embrij\u0101, lai sasniegtu sa\u0137epin\u0101\u0161anas m\u0113r\u0137i. Ir divas kars\u0113\u0161anas metodes: viena ir sasniegt sil\u012bcija ku\u0161anas temperat\u016bru, rad\u012bt sil\u012bcija ku\u0161anas temperat\u016bru un rad\u012bt sil\u012bcija tvaikus, sa\u0137epin\u0101\u0161anas m\u0113r\u0137i sasniedz, infiltr\u0113jot sil\u012bcija tvaiku embrion\u0101. Ar \u0161o procesu sagatavota SiC sa\u0137epin\u0101t\u0101 korpusa ra\u017eo\u0161anas izmaksas ir zemas. Tom\u0113r \u0161is process nosaka br\u012bv\u0101 sil\u012bcija atlikumu sa\u0137epin\u0101taj\u0101 embrion\u0101. \u0160ai sil\u012bcija da\u013cai vajadz\u0113tu ietekm\u0113t turpm\u0101ko izstr\u0101d\u0101jumu pielietojumu. No vienas puses, t\u0101 samazina sa\u0137epin\u0101t\u0101 korpusa iztur\u012bbu un nodilumiztur\u012bbu, un, no otras puses, br\u012bv\u0101 sil\u012bcija esam\u012bba padara sil\u012bcija karb\u012bdu sk\u0101bes iztur\u012bgu.<\/p>\n

Sil\u012bcija karb\u012bda keramikas sa\u0137epin\u0101\u0161ana bez spiediena: sil\u012bcija karb\u012bda bezspiediena sa\u0137epin\u0101\u0161anu var iedal\u012bt ciet\u0101s f\u0101zes sa\u0137epin\u0101\u0161an\u0101 un \u0161\u0137idr\u0101s f\u0101zes sa\u0137epin\u0101\u0161an\u0101. Bez spiediena sa\u0137epin\u0101t\u0101 sil\u012bcija karb\u012bda t\u012br\u012bba ir augsta, sil\u012bcija karb\u012bda saturs ir liel\u0101ks par 97%, sk\u0101bju un s\u0101rmu iztur\u012bba pret koroziju ir daudz lab\u0101ka nek\u0101 reakcijas sa\u0137epin\u0101t\u0101 sil\u012bcija karb\u012bda t\u012br\u012bba, un to ir viegli ra\u017eot partij\u0101s.<\/p>\n

Sil\u012bcija karb\u012bda keramikas karst\u0101 pres\u0113\u0161ana ir viens no efekt\u012bv\u0101kajiem veidiem, k\u0101 sagatavot augsta bl\u012bvuma sil\u012bcija karb\u012bda keramiku. Karsti pres\u0113ta sil\u012bcija karb\u012bda \u012bpa\u0161\u012bbas parasti ir augst\u0101kas nek\u0101 reakcijas sa\u0137epin\u0101t\u0101 un bezspiediena sa\u0137epin\u0101t\u0101 sil\u012bcija karb\u012bda \u012bpa\u0161\u012bbas, jo \u012bpa\u0161i t\u0101 smalkie graudi, augsta kompaktuma pak\u0101pe un augsta izstr\u0101d\u0101jumu iztur\u012bba un ciet\u012bba.<\/p>\n

Augstas temperat\u016bras karst\u0101 izostatisk\u0101 pres\u0113\u0161ana, sa\u0137epinot sil\u012bcija karb\u012bda keramiku: Augstas temperat\u016bras karst\u0101 izostatisk\u0101 pres\u0113\u0161ana ir progres\u012bvs keramikas sa\u0137epin\u0101\u0161anas process. Keramikas pulveri vai keramikas embriju iesai\u0146o un ievieto augstas temperat\u016bras karst\u0101s izostatisk\u0101s pres\u0113\u0161anas iek\u0101rt\u0101, un p\u0113c tam augst\u0101 temperat\u016br\u0101 un augst\u0101 spiedien\u0101 to sa\u0137epina bl\u012bv\u0101 korpus\u0101. Tam rakstur\u012bga vienlaic\u012bga un vienm\u0113r\u012bga saspie\u0161ana, ko d\u0113v\u0113 par HIP.<\/p>\n

P\u0101rkristaliz\u0113ta sil\u012bcija karb\u012bda keramika: p\u0113c sajauk\u0161anas, form\u0113\u0161anas un \u017e\u0101v\u0113\u0161anas izejvielas tiek apdedzin\u0101tas ar gaisu izol\u0113t\u0101 augstas temperat\u016bras elektriskaj\u0101 kr\u0101sn\u012b 2300 ~ 2500 \u2103 temperat\u016br\u0101. Kad temperat\u016bra p\u0101rsniedz 2100 \u2103, sil\u012bcija karb\u012bds iztvaiko un kondens\u0113jas, k\u0101 rezult\u0101t\u0101 veidojas p\u0101rkristaliz\u0113ta sil\u012bcija karb\u012bda keramika bez sa\u0137epin\u0101\u0161anas sarau\u0161an\u0101s un pa\u0161saisto\u0161as strukt\u016bras.<\/p>\n

\"sil\u012bcija<\/p>","protected":false},"excerpt":{"rendered":"

The preparation process of reaction bonded silicon carbide is relatively simple. this kind silicon carbide ceramic directly uses silicon carbide […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","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":[3],"tags":[],"class_list":["post-12","post","type-post","status-publish","format-standard","hentry","category-sic-knowledge"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/siliconcarbideceramic.net\/lv\/wp-json\/wp\/v2\/posts\/12","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=12"}],"version-history":[{"count":4,"href":"https:\/\/siliconcarbideceramic.net\/lv\/wp-json\/wp\/v2\/posts\/12\/revisions"}],"predecessor-version":[{"id":18,"href":"https:\/\/siliconcarbideceramic.net\/lv\/wp-json\/wp\/v2\/posts\/12\/revisions\/18"}],"wp:attachment":[{"href":"https:\/\/siliconcarbideceramic.net\/lv\/wp-json\/wp\/v2\/media?parent=12"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/siliconcarbideceramic.net\/lv\/wp-json\/wp\/v2\/categories?post=12"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/siliconcarbideceramic.net\/lv\/wp-json\/wp\/v2\/tags?post=12"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}