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Daim ntawv thov ntawm α-alumina hmoov hauv ntau qhov chaw


Post lub sij hawm: Oct-11-2022

α-alumina hmoov-1

Alpha-alumina muaj cov tshuaj ruaj khov, tiv thaiv corrosion, siab hardness, zoo rwb thaiv tsev zog, siab melting point thiab siab toughness, thiab yog siv nyob rau hauv txawv teb.

Daim ntawv thov ntawm α-alumina hmoov hauv ceramics
Microcrystalline alumina ceramics yog ib hom tshiab ntawm cov khoom siv ceramic nrog cov qauv thiab ntom ntom thiab nano lossis sub-micron grain loj.Nws muaj qhov zoo ntawm lub zog txhua yam, hnav tsis kam, corrosion kuj, oxidation kuj, adjustable expansion coefficient thiab zoo thermal stability.Nws lub ntsiab feature yog tias thawj siv lead ua yog me me.Yog li ntawd, cov txheej txheem tseem ceeb tshaj plaws rau kev npaj ntawm microcrystalline alumina ceramics yog npaj α-Al2O3 hmoov nrog me me thawj siv lead ua thiab siab sintering.Qhov no α-al2o3 tau dhau los ua lub cev ntom nti ntawm lub cev tsis tshua muaj cua sov.

Kev siv α-alumina hmoov hauv cov khoom siv refractory
α-Al2O3 hmoov sib txawv hauv cov ntaub ntawv refractory raws li daim ntawv thov, thiab cov hmoov yuav tsum tau sib txawv.Piv txwv li, yog tias koj xav kom ceev cov densification ntawm cov ntaub ntawv refractory, nano-alumina yog qhov zoo tshaj plaws kev xaiv;Yog tias koj xav npaj cov refractories zoo li tus, koj xav tau α-Al2O3 hmoov nrog coarse nplej, me me shrinkage, thiab muaj zog deformation kuj.Flake lossis phaj zoo li crystallites zoo dua;tab sis yog tias nws yog cov khoom siv amorphous refractory, α-Al2O3 yuav tsum muaj fluidity zoo, kev ua haujlwm siab sintering, thiab cov particle loj faib yuav tsum muaj qhov loj tshaj plaws, thiab cov khoom zoo crystallites zoo dua.

Daim ntawv thov ntawm α-alumina hmoov hauv cov ntaub ntawv polishing
Daim ntawv thov polishing sib txawv xav tau cov khoom sib txawv.Cov khoom siv rau polishing ntxhib thiab nruab nrab polishing yuav tsum muaj zog txiav thiab siab hardness, yog li lawv cov microstructure thiab crystals yuav tsum tau ntxhib;α-alumina hmoov rau zoo polishing yuav tsum tau hais tias cov khoom polished muaj tsawg nto roughness thiab siab gloss Yog li ntawd, lub me me ntawm thawj crystal ntawm α-Al2O3, qhov zoo dua.

Daim ntawv thov ntawm α-alumina hmoov hauv cov khoom muab tub lim
Nyob rau hauv cov ntaub ntawv sau, txhawm rau kom ntseeg tau tias nws ua ke zoo nrog cov organic teeb meem thiab txo qhov cuam tshuam ntawm cov viscosity ntawm lub cev, qhov tseem ceeb tshaj plaws yuav tsum tau rau α-Al2O3 yog qhov fluidity zoo txaus, nyiam dua kheej kheej, vim tias qhov siab dua. spherical, nto.Lub zog me dua, qhov zoo dua qhov fluidity ntawm lub pob;Thib ob, α-Al2O3 hmoov nrog kev txhim kho siv lead ua tiav, cov tshuaj purity siab thiab siab qhov tseeb lub ntiajteb txawj nqus tau zoo dua thermal conductivity thiab zoo dua thaum siv rau insulating thiab thermally conductive cov ntaub ntawv.

Kev thov ntawm α-alumina hmoov hauv cov khoom siv capacitor corundum
Hauv kev lag luam, ntshiab α-alumina hmoov yog feem ntau sintered nyob rau hauv ib tug high-kub hluav taws xob rauv los ua dag corundum, los yog fused corundum.Cov khoom siv no muaj cov yam ntxwv ntawm siab hardness, ntshiab npoo thiab cov ces kaum, thiab cov microstructure zoo dua nyob ze ntawm kheej kheej.Nyob rau hauv cov txheej txheem ntawm kev sib tsoo high-speed, cov nplej abrasive muaj zog txiav, thiab cov nplej abrasive tsis yooj yim rau tawg.yog li ua rau nws lub neej kev pab cuam.

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