J. Kim, H. Lee, H. Hwang, J. Oh (Dept. of Materials Science and Engineering, Hongik Univ.), E. Choi (Dept. of Civil Engineering, Hongik Univ.), and J. H. Hwang (Dept. of Materials Science and Engineering, Hongik Univ.)
K. Honda, Y. Hoshi (Tokyo University of Science), I. Shitanda (PIRC), M. Itagaki (Tokyo University of Science), K. Kumagai, S. Ito, and T. Hosogi (KOBELCO & MATERIALS COPPER TUBE, LTD. HATANO PLANT)