Glass Corrosion Resistance of Fused-Cast 41#AZS Material Containing Y2O3

Abstract

Abstract: AZS material is a key building material in the furnace of glass industry, the microstructure of material and the stability of zirconia phase have significant effects on the corrosion resistance to the molten soda-lime glass. The physical and chemical properties of fused-cast 41^#AZS materials with a small addition of yttrium oxide were studied by means of chemical analysis, high temperature X-ray diffraction, glass corrosion resistance test and electron microscope. The results show that the microstructure of material is improved by adding a small amount of Y₂O₃ stabilizer, Y₂O₃ is mainly deposited in the ZrO₂ crystals and dendrites, which firstly crystallize, resulting in the refinement of the particles of these crystalline phases. The temperature range of ZrO₂ phase transition becomes smaller, the degree of transformation reduces, and the stability of ZrO₂ crystal and eutectic improves, thus the corrosion resistance of material to glass melt is significantly improved.

Key words: refractory, fused-cast AZS material, yttrium oxide, stabilizer, corrosion resistance, glass furnace

CLC Number:

TU54

MAO Limin, LI Qingyuan, YANG Haiyun, ZENG Haijun, LIU Jiwang, QING Xiaobin, WANG Zhiyong, ZHU Wei, YANG Zhichao. Glass Corrosion Resistance of Fused-Cast 41^#AZS Material Containing Y₂O₃[J]. BULLETIN OF THE CHINESE CERAMIC SOCIETY, 2022, 41(4): 1195-1201.

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Glass Corrosion Resistance of Fused-Cast 41^#AZS Material Containing Y₂O₃

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