Fused corundum tubali don murhun murhun murhu

Furen farin corundum da aka haɗa shine α-AL2O3, wanda ke cikin tsarin kristal na trigonal. Ana samun ta ta narkar da alumina na masana’antu a babban zafin jiki a cikin tanderun arc na lantarki, sanyayawa da murƙushewa zuwa cikin ɗorawa, sannan murkushewa, zaɓi, sarrafawa da nunawa. Shi ne barga ɗaya daga cikin bambance -bambancen alumina da yawa. Yana da babban wurin narkewa (2030), babban yawa (3.99 ~ 4.0g/cm3), tsari mai ƙanƙanta, ingantacciyar yanayin zafi, ƙaramin ƙaramin zafi mai zafi (86 × 10-7/) da sutura. Yana da sinadarin okshoteric oxide, galibi mai rauni alkaline ko tsaka tsaki a yanayin zafi, kuma yana da kwanciyar hankali na sunadarai. Sabili da haka, fuskokin farin corundum abu ne mai raɗaɗi don simintin saka jari. Fused white corundum abu yana da wadataccen albarkatun ma’adinai kuma yana da ƙarancin farashi, wanda ya cancanci zaɓi da haɓakawa.

Bayanan jiki da na sunadarai na tubalin corundum da aka haɗe a cikin murhun murɗa gilashi: