Dab tsi yog muab tshuaj alumina?
Calcined alumina hmoov, feem ntau tsim ntawm alpha - alumina, yog tsim los ntawm cov txheej txheem aluminium lossis alumina los ntawm kev ua tib zoo tswj cov txheej txheem loj hauv-} kub kiln.
Tus txheej txheem no tsis yog "ziab," tab sis theej ib qho txheej txheem yees siv ntawm lub cev qhuav dej thiab ua lead ua. Thaum kub siab (feem ntau tshaj 1200 degree), cov khoom siv raw los ntawm nws cov crystal kev ruaj khov, hloov pauv ntawm lub xeev qis dua thiab nyuaj} hom crystal qauv. Qhov kev hloov pauv no muab nws tsis muaj cov khoom siv tsis tau:
Siab tawv (9 ntawm Mohs nplai, thib ob tsuas yog pob zeb diamond)
Siab melting taw tes (ntau dua 2050 degree)
Kev hnav zoo nkauj thiab corrosion tsis kam
Cov tshuaj insulating zoo
Cov inert (tsis raug nrog cov tshuaj feem ntau)
Cov Nta Nta thiab Cov Nyiaj Pab: Vim li cas nws thiaj tsis tseem ceeb?
Cov cuab yeej siv tau zoo heev: nws lub siab tawv thiab hnav tsis kam ua rau kev sib tsoo thiab hnav cov khoom sib tsoo (xws li cov ntaub pua chaw ua ke (xws li Ceramic Liners thiab Nozzles).
Zoo heev thermal stability: nws tsis tshua muaj siab loj me me taw tes thiab thermal poob siab heev ua kom nws muaj kev tiv thaiv zoo heev, siab} qhov kub thiab txias.
Rwb thaiv hluav taws xob: siab - purityQauv Aluminayog ib qho hluav taws xob hluav taws xob zoo heev thiab cov ntaub ntawv tseem ceeb rau kev sib xyaw Circuit Court substrates, hluav taws xob ceramics, thiab ua rau hluav taws xob.
Tshuaj lom neeg inertness: acid thiab alkali resistant, nws tsis tshua ruaj khov nyob rau hauv ib puag ncig muaj kev xaiv ua cov tshuaj lom neeg thiab biomedical ceramics.
Dav siv nyob rau hauv cov ntawv thov txhua hnub, los ntawm txiav - ntug thev naus laus zis.
Kev sib tsoo kev lag luam: Ua haujlwm ua cov Abrasive rau cov abrasives (Resin / Ceramic sib tsoo lub log) thiab coated abrasives (Nplooj ntawv siab).
Refractory cov khoom siv: siv rau ntawm cov khoom lag luam siab - Qhov kub thiab txias thiab xis nyob thiab muaj kev ruaj khov ntev.
Tshaj Laus ceramics: siv nyob rau hauv kev tsim cov khoom lag luam siab xws li hluav taws xob cov khoom lag luam, tej cuab yeej hluav taws xob, cov cuab yeej ua ke, thiab khoom cuav.
Cov ntaub ntawv tshiab: siv los ua cov khoom siv txheej rau cov roj teeb lithium roj teeb, txhim kho cov roj teeb kev nyab xeeb thiab voj voog lub neej. Nws tseem yog cov khoom tseem ceeb rau 3D luam ntawv siab siab-} Performance ceramics.
