[1] Key Lab. of Lightweight and Reliability Technol. for Eng. Vehicle, Edu. Department of Hunan Province, Institute of Automobile and Mechanical Engineering, Changsha University of Science and Technology, Changsha 410114, China
[2] Hunan Provincial Key Laboratory of Materials Protection for Electric Power and Transportation, School of Chemistry and Biological Engineering, Changsha University of Science and Technology, Changsha 410004, China
[3] State Key Laboratory of Advanced Design and Manufacturing for Vehicle Body, Hunan University, Changsha 410082, China