1986.9-1989.1,Master of Welding, Tianjin University.
1989.3- 1998.8 department of mechanical engineering, teaching assistant, lecturer and associate professor, North China Electric Power University.
1998.9-200 1.7, Ph.D. in materials science, Beijing University of Technology.
200 1.9-2003.8, department of mechanical engineering, Tsinghua University, postdoctoral fellow.
September 2003-May 2004, Research Fellow, Institute of Mechanics, Chinese Academy of Sciences.
June 2004-Associate Professor, School of Mechanical and Electrical Engineering, Beijing Jiaotong University.
Teaching undergraduate courses of "Fundamentals of Materials Science", postgraduate courses of "Surface Engineering of Materials" and "Structure and Properties of Materials", and guiding undergraduate and postgraduate papers.