Ndeupi musiyano uripo pakati pewhite corundum uye alumina

White corundum uye alumina haisi chinhu chimwe chete. Kana chiri chikonzero, rega mupepeti kubva kuHenan Sicheng akuudze zvakadzama: Ndeupi musiyano uripo pakati pewhite corundum nealuminium?

1. White corundum ndeye artificial abrasive yakagadzirwa nealumina seyakabikwa uye yakanyungudutswa uye yakatonhodzwa pakupisa kwepamusoro. Alumina musanganiswa wekuoma kwepamusoro.

2. Chikamu chikuru che white corundum is alumina. Kunyanya, ndiyo fomu yekristaro yealumina, iyo α-Al2O3. Pamusoro pealumina, pane hushoma hutsvina hwakadai sesimbi oxide uye silicon oxide. Alumina iokisi yakagadzikana yealuminium. Zvinhu zvikuru ndeye okisijeni nealuminium, uye kemikari formula ndeye alumina. Kune akawanda yunifomu uye asina-uniform makristasi, akadai α-Al2O3, β-Al2O3 uye γ-Al2O3.

3. Physical properties Nzvimbo yakanyunguduka yewhite corundum ndeye 2250 ℃, uye chimiro chekristaro chimiro chinonzi trigonal crystal. Iyo yekunyunguduka kwealumina yakaderera pane 2010°C-2050°C. Chitarisiko chayo ipfu chena, uye chikamu chayo chekristaro γ chikamu.

4. White corundum inowanzoshandiswa mukugadzirwa kweabrasives, asi inogona kushandiswawo mumaindasitiri akadai se catalysts, insulators, casting, uye sandblasting. Alumina inonyanya kushandiswa mumaindasitiri akadai sekupisa conduction, polishing, electroplating, uye catalysts.