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