The effect of different additives,seeds and the introduction ways of seeds on AGG(abnormal grain growth),microstructure and mechanical property of A12O3 ceramics are also summarized systematically.

• 指出A12O3陶瓷的自增韧方式可以分为引入添加剂和引入晶种2种,并详细论述了不同添加剂、不同晶种及引入方式对A12O3晶粒异向生长及其力学性能的影响,分析了不同条件下A12O3晶粒的显微结构及其异向生长机理。