LNM, The Institute of Mechanics, Chinese Academy of Sciences, Beijing 100080, China;
Shijiazhuang Railway Institute, Shijiazhuang 050043, China;
Dept. of Basic Courses, Shijiazhuang Railway Institute, Shijiazhuang 050043, China;
Dept. of Basic Courses, Shijiazhuang Railway Institute, Shijiazhuang 050043, China;
Shijiazhuang Institute of Mechanical Engineering, Shijiazhuang 050003, China;
thermopiezoelectric material; electroelastic field; inclusion; hole; rncrack; intensity factors;