WANG Ruifeng SUN Zhiping ZOU Liyan ZHANG Guojun

（Mechanical and Automobile Engineering College, Shandong Institute of Light Industry, Jinan Shandong 250353, China）

Abstract: The main factor restricting the development of ceramic is brittleness, and the toughening of ceramic is the core problem. In this paper, the toughening technology and toughening mechanisms of ceramic were reviewed. Finally, the research status and direction are pointed out.

Key words: ceramic material; toughening technology; toughening mechanism