Preparation of Ca-Substituted α-Sialon Eco-Materials by Utilizing Tungsten Molybdenum Bismuth Polymetallic Tailings

Yu Juan Guo; Fang Lian; Li Hua Xu; Hong Shun Hao

doi:10.4028/www.scientific.net/MSF.610-613.142

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Preparation of Ca-Substituted α-Sialon Eco-Materials by Utilizing Tungsten Molybdenum Bismuth Polymetallic Tailings
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Preparation of Ca-Substituted α-Sialon Eco-Materials by Utilizing Tungsten Molybdenum Bismuth Polymetallic Tailings

Abstract:

This presented a route to utilize the Tungsten Molybdenum Bismuth Polymetallic Tailings in Shizhuyuan of Hunan province to fabricate Ca-substitued α-Sialon eco-materials. The reaction mechanism in carbothermal reduction nitridation process was widely studied by separately considering the effect of sintering temperature and soaking time. Based on the optimized conditions, a composite containing 78% Ca-based α-Sialon has been fabricated at 1600°C for 8h.