1. School
of Materials Science and Engineering, Harbin Institute of Technology, Harbin 150001, P. R. China
2. Key
Laboratory of Engineering Dielectrics and Its Application, Ministry
of Education, Harbin University of Science and Technology, Harbin 150080, P. R. China
3. National
Key Laboratory of Science and Technology on Precision Heat Processing
of Metals, Harbin Institute of Technology, Harbin 150001, P. R. China
4. State
Key Laboratory of Advanced Welding and Joining, Harbin Institute of Technology, Harbin 150001, P. R. China