1. Powder Metallurgy Research Institute, Central South University, Changsha, PR China
2. Science and Technology of Advanced Functional Composite Materials Laboratory, Aerospace Research Institute of Materials & Processing Technology, Beijing, PR China
3. College of Civil Aviation, Nanjing University of Aeronautics and Astronautics, Nanjing, PR China
4. Institute of Advanced Structure Technology, Beijing Institute of Technology, Beijing, PR China