1. Department of Materials Science and Engineering, University of North Texas, Denton, Texas 76203, United States
2. Heat Treatment Technology R&BD Group, Korea Institute of Industrial Technology (KITECH), Incheon 406-840, Republic of Korea
3. Department of Advanced Materials Engineering, Kyonggi University, Suwon 16227, Korea
4. Department of Mechanical and Energy Engineering, University of North Texas, Denton, Texas 76203, United States