1. College of Mechanical and Vehicle Engineering, Hunan University, Changsha 410082, People’s Republic of China
2. George W. Woodruff School of Mechanical Engineering, Georgia Institute of Technology, Atlanta, Georgia 30332, USA
3. Department of Materials Science and Engineering, Cornell University, Ithaca, New York 14853, USA
4. MOE Key Laboratory for Power Machinery and Engineering, School of Mechanical and Power Engineering, Shanghai Jiao Tong University, Shanghai 200240, People’s Republic of China