1. Central Iron & Steel Research Institute BEIJING 100083 PEOPLE'S REPUBLIC OF CHINA
2. CITIC Metal Co., Ltd BEIJING 100004 PEOPLE'S Republic of China
3. School of Materials Science and EngineeringUniversity of Science and Technology Beijing BEIJING 100083 PEOPLE'S REPUBLIC OF CHINA
4. School of Mechanical EngineeringQinghai University XINING 810016 PEOPLE'S REPUBLIC OF CHINA