Thaum tib neeg hnov lo lus White Fused Alumina Micropowder, ntau tus neeg sab nraud ntawm kev lag luam abrasive yuav pom tias nws tsis paub. Txawm li cas los xij, cov hmoov dawb zoo no tau koom nrog ntau yam ntawm lub neej txhua hnub - los ntawm cov ntxaij vab tshaus smartphone thiab cov iav tsom iav mus rau cov khoom siv tsheb thiab cov khoom siv aerospace. Raws li cov khoom siv abrasive synthetic uas muaj kev ntshiab siab, muaj zog siab, cov hmoov alumina dawb fused tau txais txiaj ntsig rau nws cov txheej txheem tsim khoom meej thiab ntau yam kev siv hauv kev lag luam.
Los ntawm Cov Khoom Siv Raw mus rau Micropowder: Ib qho Txheej Txheem Tsim Khoom Nruj
Muaj ntau tus xav tias micropowder tsuas yog ua los ntawm kev tsoo cov noob alumina dawb loj dua, tab sis qhov tseeb yog qhov nyuaj dua.
1. Kev Xaiv Khoom Siv Raw thiab Kev Kho Mob Ua Ntej
Cov hmoov alumina dawb zoo pib nrog cov hmoov alumina kev lag luam zoo tshaj plaws, nrog rau Al₂O₃ purity ntau dua 99.5%. Cov ntaub ntawv purity qis dua tuaj yeem cuam tshuam rau qhov nyuaj, dawb, thiab kev ruaj khov ntawm tshuaj lom neeg. Ua ntej smelting, cov hmoov nyoos raug tshuaj xyuas thiab cais tawm hauv huab cua kom tshem tawm cov khoom me me thiab xyuas kom meej tias cov khoom me me sib npaug rau kev yaj zoo dua.
2. Hluav Taws Xob Arc Rauv Melting thiab Crystallization
Cov hmoov alumina uas tau kho ua ntej lawm ces yaj rau hauv lub cub tawg hluav taws xob peb-theem ntawm qhov kub ntawm 2050–2150 ° C rau 4–6 teev. Ntawm qhov kub siab heev no, alumina yaj tag nrho rau hauv daim ntawv kua, thaum cov khoom tsis huv sib cais thiab daws vim qhov sib txawv ntawm qhov ceev.
Kev tswj qhov kub thiab txias yog qhov tseem ceeb heev thaum lub sijhawm no. Cov electrodes raug ntxig tob rau hauv lub pas dej molten kom ntseeg tau tias muaj cua sov sib npaug. Thaum lub sijhawm txias, kev txias sai sai raug siv ntawm qhov kub siab, ua raws li kev txias qeeb qeeb ntawm qhov kub qis dua, ua rau cov α-Al₂O₃ siv lead ua kom ruaj khov. Thaum txias lawm, cov khoom siv khov kho rau hauv cov pob alumina dawb fused nrog qhov nyuaj thiab tawv zoo heev.
3. Kev Sib Tsoo, Kev Sib Tsoo, thiab Kev Faib Tawm Zoo
Cov fused alumina blocks yog thawj zaug crushed los ntawm lub puab tsaig crushers, tom qab ntawd finely txo los ntawm roller mills, thiab thaum kawg ua tiav rau hauv micron-scale hmoov siv jet mills.
Yuav kom ua tiav qhov kev faib tawm qhov loj me ntawm cov khoom me me, cov txheej txheem kev faib tawm hydraulic overflow thiab cov txheej txheem kev faib tawm cua tau siv los cais cov qib sib txawv xws li W5, W10, thiab W20, nrog rau qee cov khoom ncav cuag cov qib submicron.
Tom qab kev faib tawm, cov hmoov yuav raug ntxuav nrog kua qaub, ntxuav dej, ziab, thiab sib cais sib nqus kom tshem tawm cov hlau seem, sodium, thiab lwm yam tsis huv. Kev tshuaj xyuas zoo kawg suav nrog kev kuaj xyuas lub tshuab me me thiab kev tshuaj xyuas qhov loj me ntawm cov khoom me me ua ntej ntim khoom.
Cov Ntawv Thov Tseem Ceeb ntawm Dawb Fused Alumina Micropowder
Ua tsaug rau nws qhov kev tawv siab, kev ntshiab siab, thiab kev ruaj khov tshuaj lom neeg, cov hmoov alumina dawb fused yog siv dav thoob plaws ntau yam lag luam.
Kev Sib Tsoo thiab Kev Txhuam Kom Zoo
Qhov no yog ib qho ntawm cov ntawv thov tseem ceeb tshaj plaws. Cov khoom xws li cov iav kho qhov muag, LCD panels, thiab semiconductor wafers xav tau cov nto du thiab meej heev.
Nrog Mohs hardness ntawm 9—qhov thib ob tsuas yog pob zeb diamond—dawb fused alumina micropowder muaj cov khoom ntse, sib xws uas txhuam tau zoo yam tsis khawb qhov chaw.
Nws feem ntau siv rau:
- Cov ntxaij vab tshaus Sapphire ntawm cov xov tooj ntse
- Cov tsom iav qhov muag
- Cov hniav ntawm lub cav tsheb
- Cov kabmob precision
- Cov khoom siv kho mob
Ntau cov tshuaj txhuam hniav thiab cov khoom siv abrasive slurries kuj siv cov hmoov alumina dawb fused ua cov khoom xyaw tseem ceeb.
Kev Tsim Khoom Siv Abrasive Zoo Tshaj Plaws
Dawb fused alumina micropowder yog siv rau hauv kev tsim khoom ntawm:
- Cov log sib tsoo uas muaj cov roj hmab sib txuas
- Cov log sib tsoo ua los ntawm cov av nplaum
- Cov discs txiav nyias heev
- Cov ntawv xuab zeb zoo thiab cov siv abrasive
Cov cuab yeej no muab qhov ntse siab, tsim cua sov tsawg dua, thiab lub neej ua haujlwm ntev dua, ua rau lawv zoo tagnrho rau kev sib tsoo cov hlau tsis xeb, cov hlau tawv, cov khoom siv av nplaum, thiab cov ntoo.
Cov Khoom Siv Refractory thiab Cov Khoom Siv Rau Kev Lag Luam
Nrog lub ntsiab lus yaj siab tshaj 2200 ° C thiab tiv taus cua sov, kua qaub, thiab alkali zoo heev, cov hmoov alumina dawb fused yog cov khoom siv zoo tagnrho rau cov khoom siv refractory siab heev.
Nws yog dav siv rau hauv:
- Cov ntaub thaiv qhov cub hlau
- Cov ntaub thaiv qhov cub iav
- Cov txheej txheem tiv taus hnav
- Cov ntaub ntawv txhawb nqa ceramic
- Cov ntaub ntawv ntim khoom siv hluav taws xob rau kev rwb thaiv tsev thiab cua sov tawm
Yav Tom Ntej ntawm Dawb Fused Alumina Micropowder
Txawm hais tias nws zoo li tsuas yog hmoov dawb xwb, cov hmoov alumina dawb fused micropowder yog qhov tshwm sim ntawm cov txheej txheem tsim khoom nruj thiab zoo heev. Txij li kev xaiv cov khoom siv raw mus rau qhov kawg ntim, txhua kauj ruam xav tau kev tswj hwm kom meej kom ntseeg tau tias muaj kev ntshiab siab thiab kev ua haujlwm zoo ib yam.
Raws li kev lag luam xws li kev tsim khoom siv precision, electronics, optics, thiab semiconductors txuas ntxiv loj hlob, qhov kev thov rau cov khoom siv abrasive zoo dua yuav tsuas yog nce ntxiv. Yav tom ntej, cov hmoov alumina dawb fused yuav ua lub luag haujlwm loj dua hauv kev siv hauv kev lag luam siab heev thiab zoo.
Ua ib tug "kws tshaj lij polishing uas tsis pom," cov hmoov alumina dawb fused txuas ntxiv tsim lub ntiaj teb niaj hnub no - ib qho chaw du ib zaug.