Department of Emergency Medicine the Second Xiangya Hospital Central South University Changsha China;
State Key Laboratory of High Performance Complex Manufacturing Central South University Changsha China;
Jiangxi University of Science and Technology Ganzhou China;
Key Laboratory of Organ Injury Aging and Regenerative Medicine of Hunan Province Changsha China;
laser rapid solidification; ZK60/β-TCP composite; degradation behavior; microstructure;