1. School of Materials Science and Engineering
2. University of Shanghai for Science & Technology
3. Shanghai
4. People's Republic of China
5. School of Mechanical Engineering
6. Xiangtan University
7. Xiangtan
8. Key Laboratory of Welding Robot and Application Technology of Hunan Province
9. State Key Laboratory on Integrated Optoelectronics
10. College of Electronic Science and Engineering
11. Jilin University
12. Changchun 130012
13. PR China