Brown fused alumina, zoo li dawb fused alumina, yog ib qho ntawm feem ntau siv abrasives hauv khw. Nws lub ntsiab chemical yog AL2O3, thiab nws tuaj yeem muab faib ua ntau qib xws li thawj-qib thiab thib ob- qib raws li cov ntsiab lus ntawm alumina hmoov.
Brown fused alumina thiab dawb fused alumina yuav tsum muaj cov yam ntxwv hauv qab no
Brown fused alumina thiab dawb fused alumina muaj tshuaj stability
Thaum lub sij hawm sib tsoo txheej txheem, lub abrasive yuav tsum tsis txhob hnov mob chemically nrog lub workpiece, bonding agent, los yog coolant. Kev sib tsoo tsis yog ib qho txheej txheem siv tshuab xwb; tshuaj tiv thaiv kuj ua lub luag haujlwm tseem ceeb. Yog li ntawd, lub abrasive yuav tsum muaj tshuaj stability kom tsis txhob muaj tshuaj abrasion.
Brown fused alumina thiab dawb fused alumina muaj hardness heev
Lub hardness ntawm lub abrasive yuav tsum siab tshaj qhov uas lub workpiece yog machined, thiab nws yuav tsum muaj zoo hnav thiab corrosion kuj.
Feem ntau hais lus, txhua yam khoom sib npaug, qhov siab dua qhov hardness ntawm abrasive, qhov zoo dua nws hnav thiab corrosion kuj, thiab qhov zoo dua nws cov kev ua haujlwm.
Xim av fused alumina thiab dawb fused alumina yog cua sov- tiv taus thiab pom kev siab - qhov kub thiab txias
Thaum lub sij hawm sib tsoo, cov cua kub ntau yog tsim los ntawm qhov chaw sib chwv ntawm cov khoom sib tsoo thiab cov khoom ua haujlwm, tshwj xeeb tshaj yog nyob rau hauv siab - nrawm thiab hnyav- kev sib tsoo, qhov twg qhov kub hauv zos tuaj yeem ncav cuag li 1500℃.
Yog li ntawd, cov abrasive siv yuav tsum tswj nws qhov hardness thiab lub zog ntawm qhov kub ntawm kev sib tsoo.
Piv txwv li, boron carbide, txawm tias nyuaj tshaj li silicon carbide, yog yooj yim oxidized ntawm qhov kub thiab txias, ua rau nws tsis haum rau siv raws li kev sib tsoo log thiab tsuas yog haum rau siv raws li polishing paste, yog li zoo heev txwv nws daim ntawv thov sib tsoo.
