Alumina ceramic phaj
Raws li ib qho ntawm cov khoom siv dav tshaj plaws hauv ceramics siab heev, alumina ceramics, nrog rau kev txhim kho ntawm tag nrho cov kev lag luam, qhia cov qauv hauv qab no: (1) qib ntawm cov cuab yeej cuab tam yuav tau txais kev txhim kho sai: Kev txhim kho hauv computer technology thiab digital tswj. thev naus laus zis tau txhawb txoj kev vam meej thiab kev loj hlob sai ntawm cov khoom siv ceramic, xws li kev tswj tsis siv neeg nruam sintering kiln, lub zog loj-muaj peev xwm sib tsoo cov cuab yeej, cov khoom ua haujlwm zoo hmoov granulation thiab lwm yam khoom siv ua tiav qib siab tau nce qib tag nrho. ntawm kev lag luam. Nyob rau tib lub sijhawm, kev ua haujlwm ntau lawm, cov khoom lag luam zoo thiab lwm yam kuj tseem txhim kho zoo; (2) Cov khoom lag luam zoo txuas ntxiv mus ntxiv: cov khoom siv microcrystalline alumina ceramic hauv tsev los ntawm kos, kev lag luam nplai los ntawm me me mus rau loj, cov khoom zoo los ntawm qis mus rau siab, tau ntsib txoj kev loj hlob sai; (3) Cov nplai ntawm kev lag luam yuav nthuav dav sai: raws li cov khoom siv tseem ceeb ntawm lwm cov kev lag luam lossis kev lag luam, microcrystalline alumina ceramic khoom raug cuam tshuam thiab txwv los ntawm kev txhim kho qib ntawm lwm yam kev lag luam. Los ntawm daim ntawv thov ntawm alumina ceramics, daim ntawv thov ntau dua thiab dav dua, thiab cov nyiaj tau txais ntau dua thiab loj dua, tshwj xeeb tshaj yog nyob rau hauv cov khoom siv los tiv thaiv kev ua haujlwm thiab kev tsim vaj tsev ceramics, qhov nce ntawm cov nyiaj yuav ntau dua.
Alumina porcelain pas nrig
Alumina ceramic yog cov khoom siv ceramic nrog alumina (Al2O3) ua lub cev tseem ceeb, uas yog siv rau hauv cov yeeb yaj kiab tuab sib xyaw ua ke. Alumina ceramics muaj zoo conductivity, txhua yam muaj zog thiab kub tsis kam. Nws yuav tsum tau muab sau tseg tias yuav tsum tau ntxuav ultrasonic. Alumina ceramics yog ib hom khoom siv dav siv hauv ceramics, vim nws qhov kev ua tau zoo tshaj, daim ntawv thov nyob rau hauv lub neej niaj hnub tau ntau dua thiab dav, kom tau raws li cov kev xav tau ntawm kev siv niaj hnub thiab kev ua haujlwm tshwj xeeb. Alumina ceramics muab faib ua hom purity siab thiab zoo tib yam hom ob.
High purity alumina ceramic series Al2O3 cov ntsiab lus ntawm ntau tshaj 99.9% ntawm cov khoom siv ceramic, vim nws cov sintering kub siab li 1650-1990 degree, kis wavelength ntawm 1 ~ 6μm, feem ntau ua los ntawm molten iav los hloov platinum crucible; Siv nws lub teeb kis tau tus mob thiab alkali hlau corrosion kuj raws li sodium teeb raj; Nws tuaj yeem siv los ua kev sib koom ua ke hauv pawg thawj coj saib thiab cov khoom siv hluav taws xob ntau zaus hauv kev lag luam hluav taws xob.
Ordinary alumina ceramics tau muab faib ua 99 plooj (porcelain), 95 plooj (porcelain), 90 plooj (porcelain), 85 plooj (porcelain), 85 plooj (porcelain) thiab lwm yam ntau yam raws li Al2O3 cov ntsiab lus, thiab qee zaum cov ntsiab lus Al2O3 kuj tau muab cais ua cov alumina ceramics zoo tib yam. Ntawm lawv, 99 alumina porcelain cov ntaub ntawv yog siv los ua kom kub kub crucible, refractory furnace yeeb nkab thiab tshwj xeeb hnav-resistant cov ntaub ntawv, xws li ceramic bearings, ceramic seals thiab dej li qub; 95 alumina porcelain feem ntau yog siv los ua corrosion kuj thiab hnav tsis kam; Lub 85 plooj (porcelain) feem ntau yog tov nrog talc los txhim kho cov khoom siv hluav taws xob thiab cov khoom siv dag zog, thiab tuaj yeem raug kaw nrog molybdenum, niobium, tantalum thiab lwm yam hlau, thiab qee qhov siv los ua cov khoom siv hluav taws xob.
