1. Beijing Key Laboratory of Materials Utilization of Nonmetallic Minerals and Solid Wastes, National Laboratory of Mineral Materials, School of Materials Sciences and Technology, China University of Geosciences, Beijing 100083, China
2. Institute of Orthopedics, Fourth Medical Center of the General Hospital of CPLA, Beijing 100048, China
3. Beijing Engineering Research Center of Orthopedics Implants, Beijing 100048, China