1. National Engineering Research Center of Powder Metallurgy of Titanium & Rare Metals Guangdong Provincial Key Laboratory of Metal Toughening Technology and Application Institute of New Materials Guangdong Academy of Sciences Guangzhou 510650 China
2. School of Materials Science and Engineering Hefei University of Technology Hefei 230009 China
3. State Key Laboratory of Powder Metallurgy Central South University Changsha 410083 China
4. School of Mechanical Engineering Hunan Institute of Engineering Xiangtan 411100 China