1. School of Mechanical Engineering
2. Nanjing University of Science and Technology
3. Nanjing 210094
4. P. R. China
5. College of Engineering
6. Zhejiang Normal University
7. Jinhua
8. Queensland Micro and Nanotechnology Centre
9. Griffith University
10. Brisbane
11. Australia
12. Singapore Institute of Manufacturing Technology
13. Singapore 637662
14. Singapore