Affiliation: | 1. College of Mechanical and Electrical Engineering, North China University of Technology, Beijing 100144, China; 2. State Key Laboratory of Automotive Safety and Energy (Tsinghua University), Beijing 100084, China, 3. Department of Automotive Engineering, Tsinghua University, Beijing 100084, China; 4. School of Materials Science and Engineering, Central South University, Changsha 410083, China |