1. State Key Lab of Metal Matrix Composites; Shanghai Jiao Tong University; Shanghai 200240 P. R. China
2. Department of Plastic and Reconstructive Surgery; Shanghai 9 People's Hospital; Shanghai Jiao Tong University School of Medicine; Shanghai 200235 P. R. China
3. Department of Materials Science and Engineering; University of Sheffield; Mappin Street Sheffield S1 3JD UK
4. School of Mechanical and Aerospace Engineering; Queen's University Belfast; Stranmillis Road Belfast BT9 5AH UK