REFERENCES
- S. TORIZUKA, O. UMEZAWA, K. TSUZAKI, and K. NAGAI: Mater. Set Forum, 1998, 284–286, 225–230.
- J. J. BURKE and V. WEISS: `Ultrafine grain metals'; 1970, New York, NY, Syracuse University Press.
- C. OUCHI: Tetsu-to-Hagane (J. Iron Steel Inst. Jpn), 1984, 70, 2081–2089.
- P. J. HURLEY, B. C. MUDDLE, P. D. HODGSON, C. H. J. DAVIES, B. P. WYNNE, P. CIZEK, and M. R. HICKSON: Mater. Set Forum, 1998, 284–286, 159–166.
- S. GENDA, Y. KOGO, S. TORIZUKA, T. INOUE, and K. NAGAI: CUM Adv. Mater. Process., 1999, 12, 1361.
- T. INOUE, S. TORIZUKA, K. NAGAI, and T. OHASHI: Symp. on 'Mathematical modeling in metal processing and manufactur-ing', in COM2000, Ottawa, Canada, August 2000; Metallurgi-cal Society of CIM.
- S. GENDA, H. TAKAHASHI, Y. KOGO, S. TORIZUKA, and K. NAGAI: Curr. Adv. Mater. Process., 2000, 13, 1187.
- O. PAWELSKI, U. RUDIGER, and R. KASPER: Stahl Eisen, 1977, 97, 533–540.
- C. OUCHI and T. OKITA: ISLI Int., 1982, 22, 543–551.
- H. YADA, N. MATSUZU, K. NAKAJIMA, K. WATANABE, and H. TOKITA: Trans. Iron Steel Inst. Jpn, 1983, 23, 100–109.
- T. OKITA and M. NIIKURA: NKK Tech. Rep., 1984, 101, 117–125.
- S. TORIZUKA, T. INOUE, and K. NAGAI: CUM Adv. Mater. Process., 2000, 13, 642.
- Abaqus/Explicit ver . 5.8, User's manual; 1998, Hibbit, Karlsson and Sorensen.
- J. J. HOLLOMON: Trans. AIME, 1945, 162, 268–290.
- Standard E 112, ASTM, West Conshohocken, PA, USA.