Izici zomkhiqizo we-Black corundum

I-black corundum, eyaziwa nangokuthi i-alumina corundum ephansi, isesithandweni se-arc, i-bauxite iyancibilika futhi yenziwe ngohlobo lwe-α-Al2O3 kanye ne-iron spinel njengesigaba esiyinhloko samaminerali sekristalu elimpunga elimnyama, elibonakala ngokuqukethwe okuphansi kwe-Al2O3, kanye nenani elithile le-Fe2O3 (10% noma ngaphezulu), ngakho linobunzima obumaphakathi, ukuqina okuphezulu, ukumelana nokushisa okuphezulu, izici zokushisa zokusebenza kwesimo esishisayo.Ikakhulukazi esetshenziselwa ukugaya kwamahhala, njengokugaya okungalungile ngaphambi kwemikhiqizo ye-electroplating, ikakhulukazi esetshenziselwa insimbi engagqwali, imikhiqizo yensimbi, ingilazi ebonakalayo, uqalo kanye nemikhiqizo yokhuni ukupholisha kanye ne-sandblasting, futhi kungukwakhiwa kwesondo lokugaya inhlaka, izingcezu zokusika, i-abrasive yendwangu ye-emery. .