1. Key Laboratory of Superlight Materials and Surface TechnologyMinistry of Education, Harbin Engineering University Harbin 150001 P.R. China
2. College of Materials Science and Chemical EngineeringHarbin Engineering University Harbin 150001 P.R. China
3. Institute of Advanced Marine MaterialsHarbin Engineering University Harbin 150001 P.R. China
4. College of ScienceHeihe University Heihe 164300 P.R. China
5. Harbin Engineering University Capital Management Co. Ltd. Harbin 150001 P.R. China