1. R&D Center Hyundai Steel Company 1480 Bukbusaneop-ro Dangjin-Si Chungnam 31719 Republic of Korea
2. Technology & Quality Division Hyundai Steel Company 1480 Bukbusaneop-ro Dangjin-Si Chungnam 31719 Republic of Korea
3. Department of Materials Science and Engineering Yonsei University 50, Yonsei-ro Seodaemun-gu Seoul 03722 Republic of Korea