Khoom
Alumina Tej Hub Ntawv
Purity: 90-99.8%
Qhov ceev: 3.50-3.90 g / cm3
Hardness: 8-9 Mohs
Max. Siv Temp. :<1650 degree="">1650>
Daim ntawv alumina ceramic yog ua los ntawm aluminium oxide ceramics nrog AL2O3 cov ntsiab lus siab dua 90%, uas muaj cov yam ntxwv ntawm purity siab, siab hardness, siab hnav tsis kam thiab corrosion tsis kam, thiab zoo hluav taws xob rwb thaiv tsev. Aluminium Oxide Cov Ntawv Siv tau siv rau hauv ntau yam kev lag luam thiab tuaj yeem muab faib ua cov khaub ncaws hnav-resistant ceramic liner cov ntawv, hluav taws xob rwb thaiv tsev thiab thermal conductive nplooj ntawv, thiab siab kub-resistant ceramic daim hlau.
Application Hnav Daim Ntawv Thov
Alumina ntawv yog xav tau nyob rau hauv ntau cov txheej txheem kev lag luam los tiv thaiv kev hnav thiab txo cov khoom tu lub sijhawm thiab txhim kho kev ua haujlwm ntau lawm. Nyob rau tib lub sijhawm, cov phaj / cov ntawv alumina tsis tseem ceeb kuj txo cov kuab paug uas yuav tshwm sim thaum lub sijhawm hnav, yog li txhim kho cov khoom ua tau zoo. Tshwj xeeb tshaj yog cov av nrawm uas muaj cov khoom tawv tawv ntxiv, ntxiv rau qhov ua xua, kuj tseem ua txhaum loj rau cov khoom siv xeb. Alumina hnav-resistant ceramics kuj muaj qhov ua tau zoo ntawm tus nqi, thiab txheej txheem ntau lawm yog qhov paub tab heev. Alumina ceramic tau dhau los ua cov ntaub ntawv zoo tshaj plaws hnav-tam sim no vim tias nws qhov kev coj zoo thiab kev tiv thaiv corrosion, thiab tau siv dav los ntawm cov tuam txhab kev lag luam, lawv yog cov kev xaiv haum tshwj xeeb tshaj yog rau cov chaw tsim khoom xis mas.
Application Daim Ntawv Thov Hluav Taws Xob thiab Hluav Taws Xob
Nrog rau kev txhim kho ntawm kev lag luam hluav taws xob, tshwj xeeb tshaj yog cov tuab ntawm cov zaj duab xis, nyias cov ntawv phaj thiab microwave cov kev sib koom ua ke, cov kev cai siab dua tau muab tso rau hauv kev ntim ntim khoom lag luam thiab cov av. Alumina Al2O3 daim ntawv yog dav siv los nruab, kho, thiab tiv thaiv cov khoom hauv cov khoom siv hluav taws xob. Raws li insulating kev them nyiaj yug rau tam sim no-coj conductors thiab substrates rau ntau yam kev sib xyaw. Alumina ceramics muaj qhov tsawg dielectric tsis tu ncua, poob qis dielectric, siab lub zog txhua yam, siab dielectric lub zog, hluav taws xob muaj hluav taws xob zoo, thiab cov hluav taws xob kub zoo dua. Tib lub sijhawm, alumina ceramics muaj qhov chaw tawg thiab siab siab, thiab tsuas yog thaum qhov kev pabcuam kub tshaj 1,000 ° C yuav ua rau lub zog poob qis. Thaum kawg, vim tias cov kuj nce hauv qhov thermal expansion coefficient, qhov thermal shock stability yog txo. Nws tuaj yeem siv los tsim cov hluav taws xob insulating ceramic qhov ntawm ultra-high zaus thiab siab zog hluav taws xob cov tshuab nqus tsev.
Application Cov Ntawv Ntsuas Kom Sov
Aluminium oxide ceramic nplooj ntawv tau ua txhaum nyob rau hauv ib puag ncig ntawm 1,500-1,650 ° C, thiab lawv qhov kev ua haujlwm kub tiv thaiv tseem tuaj yeem ncav cuag cov nqi sib xws. Thaum muaj cua sov, nws tsis yooj yim rau deform thiab tawg. Ib qho xwm txheej ntawm kev thov raug yog kev siv cov teeb tsa ua phaj. High-purity (99% Al2O3) alumina ceramic paib tau siv dav hauv cov khoom lag luam sintering ntawm MIM cov khoom hauv cov tshuab nqus tsev. Nrog lawv cov tiaj tiaj thiab muag heev, nrog rau qhov siab huv thiab tsis muaj kev cuam tshuam, cov teeb tsa ceramic ua los ntawm alumina tuaj yeem txhim kho qhov zoo ntawm cov khoom MIM.
Cov Khoom Muaj Khoom Siv
| TSWV YIM | UNITIT | ALUMINA|A950 | ALUMINA|A990 |
| Cov ntsiab lus tseem ceeb | - | 95% Al2O3 | 99% Al2O3 |
| Xim | - | Dawb | Ivory |
| Qhov ceev | g / cm3 | 3.70 | 3.85 |
| Vickers Hardness | Gpa | 14 | 17 |
| Lub Neej Ua Tau Zoo | Mpa | 310 | 360 |
| Hlob Lub Zog | Mpa | 2,200 | 2,500 |
| Kev Siv Hluav Taws Xob | Ω · cm | GG gt; 1014 | GG gt; 1014 |
| Dielectric Lub Zog | KV / hli | 15 | 17 |
| Dielectric Tsis tas Li | 1 MHz | 8 | 9 |
| Thermal Kev Coj Ua | W/m.K | 25 | 29 |
| Max. Lub Sijhawm Ua Haujlwm Kub | ℃ | 1,500 | 1,650 |
| Tsis kam mus rau Thermal Poob Siab | △T(℃) | 210 | 230 |
| Thermal Expansion Coefficient (25 - 1,000 ℃) | 10-6/K | 7 - 9 | 7 - 9 |
Data Cov ntaub ntawv saum toj no yog qhia rau kev siv thiab sib piv xwb, cov ntaub ntawv qhia kiag yuav txawv nyob ntawm kev tsim khoom thiab ntu kev teeb tsa.
Cim npe nrov: alumina ceramic ntawv ci, Tuam Tshoj, cov chaw muag khoom, chaw tsim khoom












