1. State Key Laboratory of Solidification Processing, Northwestern Polytechnical University, Xi’an, Shaan Xi, People's Republic of China
2. Department of Materials Science and Engineering, The Pennsylvania State University, University Park, PA, USA
3. U.S. Army Research Laboratory, Weapons and Materials Research Directorate, Aberdeen Proving Ground, MD, USA
4. Department of Mechanical Engineering, University of California, Riverside, CA, USA
5. State Key Laboratory for Advanced Metals and Materials, University of Science and Technology Beijing, Beijing, People's Republic of China