1. International Joint Laboratory for Light Alloys (Ministry of Education), College of Materials Science and Engineering, Chongqing University, Chongqing, People’s Republic of China
2. Electron Microscopy Center of Chongqing University, Chongqing, People’s Republic of China
3. Faculty of Materials and Energy, Southwest University, Chongqing, People’s Republic of China
4. Northwest Institute for Nonferrous Metal Research, Xi'an, People’s Republic of China