1. Research Center of Gansu Military and Civilian Integration Advanced Structural Materials
2. College of Chemistry and Chemical Engineering
3. Northwest Normal University
4. Lanzhou 730070
5. P. R. China
6. State Key Laboratory of Advanced Processing and Recycling of Non-ferrous Metals
7. Key Laboratory of Nonferrous Metal alloys and Processing
8. Ministry of Education
9. School of Materials Science & Engineering
10. Lanzhou University of Technology