Brown corundum thiab dawb corundum uas yog qhov zoo
Brown corundum thiab dawb corundum yog ob hom corundum cov ntaub ntawv, uas muaj lawv tus yam ntxwv thiab siv nyob rau hauv ntau daim ntawv thov teb.
1. Tshuaj muaj pes tsawg leeg
Cov tshuaj tseem ceeb ntawm cov xim av corundum thiab dawb corundum yog alumina (Al2O3), tab sis lawv cov ntsiab lus txawv. Cov ntsiab lus alumina ntawm xim av corundum yog li 94%, thaum cov ntsiab lus alumina ntawm dawb corundum yog li 99%. Yog li ntawd, lub hardness ntawm dawb corundum yog siab dua, thiab nws yog haum rau ua high-hardness cov ntaub ntawv xws li cemented carbide, thaum xim av corundum yog haum rau ua tej yam ntaub ntawv nrog zoo toughness.
Kev xaiv xim av corundum lossis dawb corundum yuav tsum tau txiav txim siab raws li qhov tshwj xeeb siv scenario thiab cov cai. Yog tias koj xav tau cov khoom siv nrog kev hnav siab, thiab cov xim yuav tsum tsis txhob rhiab, dawb corundum yog qhov kev xaiv zoo. Yog tias koj xav tau cov khoom siv hluav taws xob lossis cov teebmeem tshwj xeeb, lossis cov xim uas yuav tsum tau muaj ntau dua rau xim av-liab, ces xim av corundum yuav zoo dua.
2, Grain loj
Lub grain loj ntawm xim av thiab dawb corundum kuj txawv. Qhov loj me me ntawm cov xim av corundum feem ntau yog nyob nruab nrab ntawm {{{0}}} hli, thaum qhov loj me ntawm cov corundum dawb yog finer, feem ntau ntawm 0.1-0.5mm. Yog li ntawd, thaum ua tiav qee cov ntaub ntawv nrog cov kev xav tau ntau dua qhov roughness, cov nyhuv ntawm corundum dawb yog qhov zoo dua.
3, Lub cev muaj zog
Lub cev lub cev ntawm xim av thiab dawb corundum kuj txawv. Qhov ceev ntawm cov xim av corundum yog tsawg, txog 3.95g / cm3, thaum qhov ceev ntawm dawb corundum yog siab, txog 4.0g / cm3. Tsis tas li ntawd, lub hardness ntawm xim av corundum yog hais txog 90.7, thaum lub hardness ntawm dawb corundum yog hais txog 91.8. Yog li ntawd, thaum ua qee cov ntaub ntawv nrog cov hardness siab thiab siab precision, cov nyhuv ntawm corundum dawb yog zoo dua.
