Alpha-alumina (α-Al2O3) hmoov, feem ntau hu ua aluminium oxide hmoov, yog cov khoom siv ntau yam nrog ntau yam kev siv hauv kev lag luam xws li ceramics, refractories, abrasives, catalysts, thiab lwm yam.Nov yog qee qhov kev qhia tshwj xeeb rau alpha-Al2O3 hmoov
Tshuaj muaj pes tsawg leeg:
Aluminium oxide (Al2O3): Feem ntau 99% lossis siab dua.
Particle Loj:
Particle loj tis tuaj yeem sib txawv nyob ntawm qhov kev thov tshwj xeeb.
Qhov nruab nrab particle loj tuaj yeem nyob ntawm sub-micron mus rau ob peb microns.
Finer particle loj hmoov muaj ntau dua qhov chaw saum npoo thiab reactivity.
Xim:
Feem ntau yog dawb, nrog rau qib siab ntawm purity.
Crystal Structure:
Alpha-alumina (α-Al2O3) muaj cov qauv siv lead ua hexagonal.
Qhov chaw tshwj xeeb nto:
Feem ntau nyob rau hauv thaj tsam ntawm 2 mus rau 20 m2 / g.
Higher deg cheeb tsam hmoov muab ntau zog reactivity thiab nto npog.
Purity:
High-purity alpha-Al2O3 hmoov yog feem ntau muaj nrog tsawg impurities.
Qib purity feem ntau yog 99% lossis siab dua.
Bulk Density:
Qhov ntom ntom ntawm alpha-Al2O3 hmoov tuaj yeem sib txawv nyob ntawm cov txheej txheem tsim khoom lossis qib.
Feem ntau ntawm 0.5 mus rau 1.2 g / cm3.
Thermal stability:
Alpha-Al2O3 hmoov pom zoo thermal stability thiab siab melting point.
Melting point: Kwv yees li 2,072 ° C (3,762 ° F).
Hardness:
Alpha-Al2O3 hmoov yog paub txog nws cov hardness siab.
Mohs hardness: Nyob ib ncig ntawm 9.
Chemical Inertness:
Alpha-Al2O3 hmoov yog tshuaj inert thiab tsis hnov mob nrog cov tshuaj feem ntau.
Nws yog resistant rau acids thiab alkalis.
Nws yog ib qho tseem ceeb uas yuav tsum nco ntsoov tias cov ntsiab lus tseeb ntawm alpha-Al2O3 hmoov tuaj yeem sib txawv ntawm cov tuam ntxhab thiab cov qib tshwj xeeb.Yog li ntawd, nws raug nquahu kom xa mus rau daim ntawv teev cov khoom lag luam lossis sab laj tus neeg muag khoom kom paub meej cov ntaub ntawv thiab cov cai tshwj xeeb rau koj daim ntawv thov npaj.
1.Luminescent cov ntaub ntawv: tsawg lub ntiaj teb trichromatic phosphors siv los ua cov khoom siv tseem ceeb ntev tom qab phosphor, PDP phosphor, LED phosphor;
2.Transparent ceramics: siv los ua fluorescent raj rau siab siab sodium teeb, hluav taws xob programmable nyeem nkaus xwb lub qhov rais;
3.Single Crystal: rau kev tsim cov ruby, sapphire, yttrium aluminium garnet;
4.High lub zog siab alumina ceramic: raws li lub substrate siv nyob rau hauv lub chaw tsim khoom ntawm integrated circuits, txiav cov cuab yeej thiab siab purity crucible;
5.Abrasive: tsim lub abrasive ntawm iav, hlau, semiconductor thiab yas;
6.Diaphragm: Daim ntawv thov rau kev tsim cov lithium roj teeb separator txheej;
7.Lwm yam: raws li ib tug active txheej, adsorbents, catalysts thiab catalyst txhawb, nqus txheej, tshwj xeeb iav ntaub ntawv, composite cov ntaub ntawv, resin muab tub lim, bio-ceramics thiab lwm yam.
Yog tias koj muaj lus nug. Thov koj xav tiv tauj peb.