1. College of Electromechanical Engineering, Changsha University, Changsha 410022, China
2. Hunan Engineering Research Center of Research and Development of Degradable Materials and Molding Technology, Changsha University, Changsha 410022, China
3. School of Power and Mechanical Engineering, Wuhan University, Wuhan 430072, China
4. The Institute of Technological Sciences, Wuhan University, Wuhan 430072, China