1. School of Mechanical, Industrial and Manufacturing Engineering, Oregon State UniversityCorvallis OR 97331‐6001USA
2. Division of Materials Science and Engineering, Hanyang UniversitySeoul 04763Republic of Korea
3. HYU‐HPSTAR‐CIS High Pressure Research Center, Hanyang UniversitySeoul 04763Republic of Korea
4. Materials Research Group, Department of Mechanical Engineering, University of SouthamptonSouthampton SO17 1BJUK