1. College of Mechanical Engineering, Chengdu UniversityChengdu610106People's Republic of China
2. College of Materials and Chemistry & Chemical Engineering, Chengdu University of TechnologyChengdu610059People's Republic of China
3. Zhongchao Great Wall Precious Metals Co. Ltd.Chengdu611130People's Republic of China
4. School of Materials Sciences and Engineering, Southwest University of Science and TechnologyMianyang621010People's Republic of China