Affiliation: | a Nippon Light Metal Co. Ltd., NRDC, Kambara 1-34-1, Shimizu-ku, Shizuoka, Japan b Tohoku University, IMRAM, Katahira 2-1-1, Aoba-ku, Sendai, Japan c Ironmaking Research Group, POSCO, Pohang 790-785, Republic of Korea d Moscow State Institute of Steel and Alloys, Leninsky pr. 4, Moscow, Russia e The Institute of Scientific and Industrial Research, Osaka University, Osaka 567-0047, Japan |