1. College of Material Science and Engineering
2. Northeast Forestry University
3. Harbin 150040
4. P. R. China
5. School of Mechanical and Materials Engineering
6. Washington State University
7. Pullman
8. USA
9. Enhanced Composites and Structures Center
10. College of Chemical Engineering
11. Qingdao University of Science and Technology
12. Qingdao
13. Department of Mechanical Engineering