【摘要】 采用无机盐先驱体，溶胶凝胶法制备出超细５０％Ａｌ２Ｏ３５０％ＺｒＯ２（以体积计）复合粉体，ＢＥＴ法测得其比表面积达２２７．４ｍ２／ｇ。复合粉体经热压烧结得到具有互渗结构的细晶复相陶瓷，其Ａｌ２Ｏ３晶粒约１００ｍｍ，ＺｒＯ２晶粒约０．６μｍ。更多还原

【Abstract】 Inorganic precursors were used to prepare 50%(vol)Al 2O 350%(vol)ZrO 2 composite powder via solgel method. From BET measurement, specific surface area of the powder is 227.4 m 2/g. Ultrafinegrained composite of interpenetrating microstructure was obtained by hotpressing, and the grain sizes of Al 2O 3 and ZrO 2 are 100nm and 0.6 μm respectively. Received: December 26,1996. Correspondent: Zhang Dahai, Department of Material Science and Engineering, Zhejiang University, Hangzhou 310027.更多还原