At the super high speed grinding machine, which is developed by Hunan University, this paper carries on the experimental study of AE about two kinds of engineering ceramic materials: PSZ and Al_2O_3, in HEDG.

• 在湖南大学自己研制的超高速磨削实验台上，对PSZ和Al_2O_3两种工程陶瓷材料进行高效深磨声发射实验研究。