1. Center of Industrial Training, Hefei University of Technology, Hefei 230009, China
2. School of Materials Science and Engineering, Hefei University of Technology, Hefei 230009, China
3. Department of Mechanical and Materials Engineering, The University of Western Ontario, London, Ontario N6A 5B9, Canada
4. General Motors Research and Development Center, Warren, Michigan 48090-9055, United States
5. Institute of Industry & Equipment Technology, Hefei University of Technology, Hefei, Anhui 230009, China