The results show that the wear behavior of the alumina matrix ceramic has only two periods, the grinding-in period and the stabilization wear period.

• 结果表明:氧化铝基陶瓷材料的磨损曲线仅有跑合和稳定磨损两个阶段,磨损机理主要是脆性剥落以及磨粒磨损;