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ALUMINA COATED SIC WHISKER AND SIC WHISKER REINFORCED CERAMIC COMPOSITE MATERIAL
ALUMINA COATED SIC WHISKER AND SIC WHISKER REINFORCED CERAMIC COMPOSITE MATERIAL
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机译:氧化铝涂层的SIC晶须和SIC晶须增强的陶瓷复合材料
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摘要
PURPOSE:To make SiC whiskers unreactive with a matrix and to enable easy dispersion in the matrix by coating the surfaces of the SiC whiskers with alumina. CONSTITUTION:The surfaces of SiC whiskers are coated with alumina by adding the whiskers to an aluminum oxide soln. or by other method and the coated whiskers are calcined to stabilize the alumina. The resulting alumina coated SiC whiskers are uniformly dispersed in a matrix and hardly react with the matrix. When the whiskers are added, a ceramic composite material having superior bending strength and fracture toughness can be provided.
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