{"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":"kulonbozo-szilicium-karbid-keramia","status":"publish","type":"post","link":"https:\/\/siliconcarbideceramic.net\/hu\/different-kind-silicon-carbide-ceramic\/","title":{"rendered":"k\u00fcl\u00f6nb\u00f6z\u0151 szil\u00edcium-karbid ker\u00e1mia"},"content":{"rendered":"

A reakci\u00f3k\u00f6t\u00e9s\u0171 szil\u00edcium-karbid el\u0151\u00e1ll\u00edt\u00e1si folyamata viszonylag egyszer\u0171. ez a fajta szil\u00edcium-karbid ker\u00e1mia k\u00f6zvetlen\u00fcl szil\u00edcium-karbidot haszn\u00e1l egy bizonyos szemcsem\u00e9ret-eloszl\u00e1ssal, a sz\u00e9nnel val\u00f3 kever\u00e9s ut\u00e1n embri\u00f3kat k\u00e9pez, majd magas h\u0151m\u00e9rs\u00e9kleten karbur\u00e1l\u00f3dik. A szil\u00edcium egy r\u00e9sze sz\u00e9nnel reag\u00e1lva SiC-t hoz l\u00e9tre, amely az eredeti embri\u00f3ban l\u00e9v\u0151 SIC-vel egyes\u00fcl a szinterez\u00e9s c\u00e9lj\u00e1nak el\u00e9r\u00e9se \u00e9rdek\u00e9ben. K\u00e9t karbur\u00e1l\u00e1si m\u00f3dszer l\u00e9tezik: az egyik a szil\u00edcium olvad\u00e1si h\u0151m\u00e9rs\u00e9klet\u00e9nek el\u00e9r\u00e9se, a szil\u00edcium olvad\u00e1si h\u0151m\u00e9rs\u00e9klet\u00e9nek el\u0151\u00e1ll\u00edt\u00e1sa \u00e9s szil\u00edciumg\u0151z el\u0151\u00e1ll\u00edt\u00e1sa, A szinterez\u00e9s c\u00e9lj\u00e1t a szil\u00edciumg\u0151z besziv\u00e1rg\u00e1s\u00e1val \u00e9rik el az embri\u00f3ba. Az ezzel az elj\u00e1r\u00e1ssal el\u0151\u00e1ll\u00edtott SiC szinterezett test gy\u00e1rt\u00e1si k\u00f6lts\u00e9ge alacsony. Ez az elj\u00e1r\u00e1s azonban meghat\u00e1rozza a marad\u00e9k szabad szil\u00edciumot a szinterezett embri\u00f3ban. A szil\u00edcium ezen r\u00e9sz\u00e9nek hat\u00e1ssal kell lennie a j\u00f6v\u0151beli term\u00e9kek alkalmaz\u00e1s\u00e1ra. Egyr\u00e9szt cs\u00f6kkenti a szinterezett test szil\u00e1rds\u00e1g\u00e1t \u00e9s kop\u00e1s\u00e1ll\u00f3s\u00e1g\u00e1t, m\u00e1sr\u00e9szt a szabad szil\u00edcium megl\u00e9te sav\u00e1ll\u00f3v\u00e1 teszi a szil\u00edciumkarbidot.<\/p>\n

Szinterez\u00e9smentes szil\u00edciumkarbid ker\u00e1mia: a szil\u00edciumkarbid nyom\u00e1s n\u00e9lk\u00fcli szinterez\u00e9se szil\u00e1rd f\u00e1zis\u00fa szinterez\u00e9sre \u00e9s foly\u00e9kony f\u00e1zis\u00fa szinterez\u00e9sre oszthat\u00f3. A nyom\u00e1s n\u00e9lk\u00fcl szinterezett szil\u00edcium-karbid tisztas\u00e1ga magas, a szil\u00edcium-karbid tartalma t\u00f6bb mint 97%, a sav \u00e9s l\u00fag korr\u00f3zi\u00f3\u00e1ll\u00f3s\u00e1ga sokkal jobb, mint a reakci\u00f3 szinterezett szil\u00edcium-karbid\u00e9, \u00e9s k\u00f6nnyen megval\u00f3s\u00edthat\u00f3 a sorozatgy\u00e1rt\u00e1s.<\/p>\n

A szil\u00edcium-karbid ker\u00e1mia forr\u00f3 sajtol\u00e1sos szinterez\u00e9se az egyik leghat\u00e9konyabb m\u00f3dja a nagy s\u0171r\u0171s\u00e9g\u0171 szil\u00edcium-karbid ker\u00e1mia el\u0151\u00e1ll\u00edt\u00e1s\u00e1nak. A forr\u00f3n sajtolt szil\u00edcium-karbid tulajdons\u00e1gai \u00e1ltal\u00e1ban magasabbak, mint a reakci\u00f3szinterezett \u00e9s a nyom\u00e1s n\u00e9lk\u00fcl szinterezett szil\u00edcium-karbid\u00e9, k\u00fcl\u00f6n\u00f6sen a finom szemcs\u00e9k, a nagy t\u00f6m\u00f6rs\u00e9g, valamint a term\u00e9kek nagy szil\u00e1rds\u00e1ga \u00e9s kem\u00e9nys\u00e9ge.<\/p>\n

Magas h\u0151m\u00e9rs\u00e9klet\u0171 forr\u00f3 izosztatikus pr\u00e9sel\u00e9s szinterez\u00e9s szil\u00edcium-karbid ker\u00e1mia: A magas h\u0151m\u00e9rs\u00e9klet\u0171 forr\u00f3 izosztatikus pr\u00e9sel\u00e9s egy fejlett ker\u00e1mia szinterel\u00e9si folyamat. A ker\u00e1miaport vagy ker\u00e1miaembri\u00f3t csomagolj\u00e1k \u00e9s magas h\u0151m\u00e9rs\u00e9klet\u0171 forr\u00f3 izosztatikus pr\u00e9sel\u0151berendez\u00e9sbe helyezik, majd magas h\u0151m\u00e9rs\u00e9kleten \u00e9s nagy nyom\u00e1son s\u0171r\u0171 testt\u00e9 szinterezik. Jellemz\u0151je az egyidej\u0171 \u00e9s egyenletes nyom\u00e1s al\u00e1 helyez\u00e9s, amelyet HIP-nek neveznek.<\/p>\n

Rekrist\u00e1lyos\u00edtott szil\u00edcium-karbid ker\u00e1mia: a kever\u00e9s, alak\u00edt\u00e1s \u00e9s sz\u00e1r\u00edt\u00e1s ut\u00e1n a nyersanyagokat l\u00e9gszigetelt, magas h\u0151m\u00e9rs\u00e9klet\u0171 elektromos kemenc\u00e9ben 2300 ~ 2500 \u2103-on \u00e9getik. Amikor a h\u0151m\u00e9rs\u00e9klet meghaladja a 2100 \u2103-ot, a szil\u00edcium-karbid elp\u00e1rolog \u00e9s kondenz\u00e1l\u00f3dik, ami \u00e1tkrist\u00e1lyos\u00edtott szil\u00edcium-karbid ker\u00e1mia kialakul\u00e1s\u00e1t eredm\u00e9nyezi szinterez\u00e9si zsugorod\u00e1s \u00e9s \u00f6nk\u00f6t\u0151 szerkezet n\u00e9lk\u00fcl.<\/p>\n

\"szil\u00edcium-karbid<\/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\/hu\/wp-json\/wp\/v2\/posts\/12","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/siliconcarbideceramic.net\/hu\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/siliconcarbideceramic.net\/hu\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/siliconcarbideceramic.net\/hu\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/siliconcarbideceramic.net\/hu\/wp-json\/wp\/v2\/comments?post=12"}],"version-history":[{"count":4,"href":"https:\/\/siliconcarbideceramic.net\/hu\/wp-json\/wp\/v2\/posts\/12\/revisions"}],"predecessor-version":[{"id":18,"href":"https:\/\/siliconcarbideceramic.net\/hu\/wp-json\/wp\/v2\/posts\/12\/revisions\/18"}],"wp:attachment":[{"href":"https:\/\/siliconcarbideceramic.net\/hu\/wp-json\/wp\/v2\/media?parent=12"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/siliconcarbideceramic.net\/hu\/wp-json\/wp\/v2\/categories?post=12"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/siliconcarbideceramic.net\/hu\/wp-json\/wp\/v2\/tags?post=12"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}