Fused zirconia corundum brick, also known as AZS fused zirconia corundum brick abbreviation is AZS. It is based on the chemical composition of three Al2O3-Zr02-Sio2 ternary phase diagram. According to their order of content, Al2O3 takes A, Zr02 takes Z, Sio2 takes S. The national standards adopted this abbreviation, for example, number 33 casting zirconia corundum brick, abbreviated as AZS-33 #, 36 cast zirconia corundum brick, abbreviated as AZS-36 #, No. 41 cast AZS bricks, abbreviated AZS-41 #.
Fused zirconia corundum brick is pure alumina powder containing 65% zirconium oxide, silicon dioxide about 34% of zircon sand, in the electric furnace to melt within the injection of cooling within the model and the formation of a white solid, rock phase structure consisting of corundum and zircon stone ramp and a glass of eutectoid phase, to learn from in terms of phase and zirconium corundum stone ramp eutectoid phase, the glass phase is filled between them crystals.
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