1. 1) T.Nishima : Tetsu-to-Hagané, 48 (1962), 1495.
2. 2) H.Kaneko, T.Nishizawa and A.Chiba : J. Jpn.Inst.Met., 30 (1966), 157.
3. 3) K.Osaki and Y.Kawai : Nissin Steel Tech. Rep., 57 (1987), 64.
4. 4) S.Yamamoto, M.Honda, Y.Kobayashi, T.Sakiyama, Y.Ehira and T.Nagamine : Karyoku Genshiryoku Hatsuden, 41 (1990), 1149.
5. 5) R.Nemoto : Innovation Stainless Steel, 1st European Stainless Steel Conference, Associazione Italiana di Metallurgia, Florence, (1993), 195.