Affiliation: | aDepartment of Materials Science and Engineering, Hong-Ik University, 72-1 Sangsung-dong, Mapo-ku, 121-791 Seoul, South Korea bDigital Production Processing Team, Manufacturing Process Research Center, Korea Institute of Industrial Technology (KITECH), 994-32, Dongchon-dong, Yeonsu-gu, 463-130 Incheon, South Korea |