China Electric Power Research Institute Beijing 100192 China;
State Grid Corporation Beijing 100031 China;
Institute of Engineering Technology University of Science and Technology Beijing Beijing 100083 China;
China Electric Power Research Institute Beijing 100192 China;
Faculty of Materials Metallurgy and Chemistry Jiangxi University of Science and Technology Ganzhou 341000 China;
Metal and Chemistry Research Institute China Academy of Railway Sciences Corporation Limited Beijing 100081 China;
