1. State Key Laboratory for Mechanical Behavior of Materials, School of Materials Science and Engineering, Xi’an Jiaotong University, Xi’an 710049, P R China
2. Shaanxi Key Laboratory of Biomedical Metal Materials, Northwest Institute for Non-ferrous Metal Research, Xi’an 710016 , P R China
3. Centre for Advanced Materials Processing and Manufacturing (AMPAM), The University of Queensland, St Lucia, QLD 4072, Australia