1. Faculty of Materials Science and Engineering Kunming University of Science and Technology Kunming 650093 P. R. China
2. National & Local Joint Engineering Laboratory of Advanced Metal Solidification Forming and Equipment Technology Kunming University of Science and Technology Kunming 650093 P. R. China
3. Metallic Materials Division Korea Institute of Materials Science Changwon 51508 Republic of Korea
4. Department of Materials Science and Engineering Inha University Incheon 22212 Republic of Korea
5. State Key Laboratory of Vanadium and Titanium Resources Comprehensive Utilization Pangang Group Research Institute Co., Ltd. Panzhihua 617000 China