Dawb aluminium oxideyog ua los ntawm high-zoo alumina hmoov ua raw khoom. Nws yog yaj nyob rau hauv ib qho hluav taws xob arc ntawm qhov kub ntawm ntau tshaj 2000 degrees thiab ces txias. Nws yog crushed thiab zoo li tus, magnetically sib cais kom tshem tawm cov hlau, thiab soj ntsuam rau hauv ntau qhov ntau thiab tsawg. Nws qhov kev ntxhib los mos yog ntom thiab tawv, thiab cov khoom ua kom pom cov ces kaum ntse. Yog li dab tsi yog qhov txawv ntawm ceramic xuab zeb thiab dawb aluminium oxide thiab dab tsi yog qhov particle loj nrhiav tau txoj kev?
Dawb aluminium oxide yog tsim rau kev tsim cov ceramics, resin-bonded abrasive cov cuab yeej, sib tsoo, polishing, sandblasting, precision casting (tshwj xeeb corundum rau precision casting), thiab lwm yam. Nws kuj tseem siv tau los tsim cov ntaub ntawv refractory, code npe WA.
Lub cev thiab tshuaj lom neeg cov khoom ntawm ceramic xuab zeb ua rau nws ua lub luag haujlwm tseem ceeb hauv aviation, aerospace, electronics, machinery thiab niaj hnub no kev lag luam IT sai heev. Nws cov qauv hauv molecular saw, siv lead ua zoo li thiab lattice hloov txoj cai ua rau nws tshwj xeeb Nws qhov kub tsis kam, thermal expansion coefficient me me, siab rwb thaiv tsev, corrosion kuj, piezoelectric effect, resonance effect thiab nws cov khoom kho qhov muag ua lub luag haujlwm tseem ceeb hauv ntau lub high-tech. cov khoom.
Plaub txoj kev tshawb nrhiav rau dawb aluminium oxide particle loj:
1. Sieving txoj kev
Qhov zoo: Yooj yim, intuitive, cov cuab yeej siv qis, feem ntau siv rau cov qauv loj dua 40um.
Disadvantages: Cov txiaj ntsig tau cuam tshuam zoo heev los ntawm tib neeg cov yam ntxwv thiab mesh deformation.
2. Microscopy (duab) txoj kev
Qhov zoo: Yooj yim, intuitive, muaj peev xwm ntawm morphological tsom xam, haum rau cov qauv nrog nqaim faib (qhov piv ntawm qhov loj thiab me me particle loj yog tsawg dua 10: 1).
Qhov tsis zoo: Cov neeg sawv cev tsis zoo, nws muaj teeb meem los tshuaj xyuas cov qauv nrog ntau qhov kev faib tawm, thiab cov qauv dawb aluminium oxide me dua 1um tsis tuaj yeem txheeb xyuas.
3. Txoj kev Sedimentation (xws li lub ntiajteb txawj nqus sedimentation thiab centrifugal sedimentation)
Qhov zoo: Kev ua haujlwm yog maj mam, cov cuab yeej tuaj yeem ua haujlwm tsis tu ncua, tus nqi qis, qhov tseeb thiab rov ua dua tau zoo, thiab qhov ntsuas qhov dav dav.
Disadvantages: Qhov kev xeem yuav siv sij hawm ntev thiab kev ua haujlwm yog cumbersome.
4. Txoj kev tiv thaiv
Qhov zoo: Kev ua haujlwm gradient tuaj yeem ntsuas tus naj npawb ntawm cov khoom, lub tswv yim sib npaug yog qhov tseeb, nrawm, thiab raug.
Qhov tsis zoo: Nws tsis haum rau kev ntsuas particle me me dua 0.1um. Nws yog teeb meem los hloov lub qhov me me raj rau cov qauv nrog dav particle loj tis.
