1. Molding & Metal Forming R&D Department, Korea Institute of Industrial Technology, Incheon 21999, Republic of Korea
2. R&D Center, RtoB Co., Ltd., Incheon 21632, Republic of Korea
3. Department of Mechanical Engineering, Inha University, Incheon 22212, Republic of Korea
4. Department of Materials Science and Engineering, Inha University, Incheon 22212, Republic of Korea
5. Department of Materials Science and Engineering, Northwestern University, 2220 Campus Drive, Evanston, IL 60208, USA