Publications - Thermodynamics, defects and diffusion

Oxidation protective silicide coating on Mo−Si−B alloys Kazuhiro Ito, Hiroshi Numakura, Taisuke Hayashi, Masato Yokobayashi, Takashi Murakami Metallurgical and Materials Transactions A, 36 (3), 627-636 (2005). [View on-line]
Reaction diffusion of MoSi₃ and Mo₅SiB₂ Taisuke Hayashi, Kazuhiro Ito, Hiroshi Numakura Intermetallics, 13 (1), 93-100 (2005). [View on-line]
Thermodynamic and phase relation study of the Ni−Ge−O system in the solid state Iwao Katayama, Takamitsu Hori, Masatoshi Sakai, Hiroshi Numakura, Takamichi Iida Zeitschrift fuer Metallkunde, 96 (8), 853-856 (2005). [View on-line]
Chemical diffusion in Ir₃Nb M. Uchida, H. Numakura, Y. Yamabe-Mitarai, E. Bannai Scripta Materialia, 52 (1), 11-15 (2005). [View on-line]
Tracer diffusion of Fe and Pd in FePt and FePt₃ Y. Nose, T. Ikeda, H. Nakajima, H. Numakura Defect and Diffusion Forum, 237-240, 450-455 (2005). [View on-line]
Diffusional jumps of atomic defects in ordered alloys observed through anelastic relaxation effects H. Numakura Defect and Diffusion Forum, 237-240, 74-82 (2005). [View on-line]
Diffusion in L1₀-type single crystal TiAl and FePt intermetallic compounds H. Nakajima, Y. Nose, N. Terashita, T. Ikeda, H. Numakura Defect and Diffusion Forum, 237-240, 7-18 (2005). [View on-line]
Lattice dynamics and migration enthalpies in CoPt₃ and FePd T. Mehaddene, E. Kentzinger, B. Hennion, K. Tanaka, H. Numakura, A. Marty, V. Parasote, M. C. Cadeville, M. Zemirli, V. Pierron-Bohnes Physical Review B, 69 (2), 24304 (1-13) (2004). [View on-line] [Kyoto U Repository]
Study of local order in FePd by neutron scattering T. Mehaddene, V. Pierron-Bohnes, M. Zemirli, R. Caudron, K. Tanaka, H. Numakura Journal of Alloys and Compounds, 378 (1-2), 294-297 (2004). [View on-line]
Tracer diffusion in Pt₃Fe ordered alloys Y. Nose, T. Ikeda, H. Nakajima, H. Numakura Zeitschrift fuer Metallkunde, 95 (10), 904-912 (2004). [View on-line]
Formation volume of atomic vacancies in body-centred cubic metals N. Kurita, H. Numakura Zeitschrift fuer Metallkunde, 95 (10), 876-879 (2004). [View on-line]
Evolution kinetics and microstructure of MoSi₂ and Mo₅Si₃ surface layers on two-phase Mo-9Si-18B alloy during pack-cementation and high-temperature oxidation Kazuhiro Ito, Taisuke Hayashi, Masato Yokobayashi, H. Numakura Intermetallics, 12 (4), 407-415 (2004). [View on-line]
Inelastic neutron scattering and migration energies in FePd T. Mehaddene, M. Zemirli, V. Pierron-Bohnes, M. C. Cadeville, B. Hennion, A. Marty, I. Schuster, K. Tanaka, H. Numakura Catalysis Today, 89 (3), 313-318 (2004). [View on-line]
Re-examination of the phase diagram of Fe−Pt system Y. Nose, A. Kushida, T. Ikeda, H. Nakajima, K. Tanaka, H. Numakura Materials Transactions, 44 (12), 2723-2731 (2003). [View on-line] [JIM on-line]
Fe tracer diffusion in L1₀ ordered FePt Y. Nose, T. Ikeda, H. Nakajima, K. Tanaka, H. Numakura Materials Research Society Symposium Proceedings, 753, 381-386 (2003). [Book info]
Chemical diffusion in L1₀-ordered FePt Ayako Kushida, Katsushi Tanaka, Hiroshi Numakura Materials Transactions, 44 (1), 59-62 (2003). [View on-line] [JIM on-line]
Tracer and chemical diffusion in L1₂-ordered Pt₃Fe Yoshitaro Nose, Teruyuki Ikeda, Hideo Nakajima, Hiroshi, Numakura Materials Transactions, 44 (1), 34-39 (2003). [View on-line] [JIM on-line]
Tracer and chemical diffusion in Pt₃Fe Y. Nose, H. Numakura, M. Koiwa, T. Ikeda, H. Nakajima Defect and Diffusion Forum, 194-199, 559-564 (2001). [View on-line]
Tracer diffusion of Ni and Ge in L1₂-type intermetallic compound Ni₃Ge T. Ikeda, H. Nakajima, H. Numakura, M. Koiwa Defect and Diffusion Forum, 194-199, 511-516 (2001). [View on-line]
Tracer diffusion in Ni₃Ga and its relation to thermodynamic properties T. Ikeda, H. Numakura, H. Nakajima, M. Koiwa Defect and Diffusion Forum, 194-199, 505-510 (2001). [View on-line]
Point defects and diffusion in nickel-based L1₂-ordered compounds H. Numakura, T. Ikeda, H. Nakajima, M. Koiwa Defect and Diffusion Forum, 194-199, 337-348 (2001). [View on-line]
Thermodynamic activity of Ga in Ni₃Ga A. Kushida, T. Ikeda, H. Numakura, M. Koiwa Materials Transactions, 42 (3), 514-519 (2001). [View on-line] [JIM on-line]
Diffusion in Ni₃Al, Ni₃Ga and Ni₃Ge H. Numakura, T. Ikeda, H. Nakajima, M. Koiwa Materials Science and Engineering A, 312 (1-2), 109-117 (2001). [View on-line]
Configurational free energy in order-disorder transitions from Monte Carlo calculations for systems under external fields Tetsu Ichitsubo, Katsushi Tanaka, Hiroshi Numakura, Masahiro Koiwa Physical Review B, 60 (13), 9198-9201 (1999). [View on-line]
The homogeneity ranges of the L1₂-type intermetallic compounds Ni₃Ga and Ni₃Ge T. Ikeda, Y. Nose, T. Korata, H. Numakura, M. Koiwa Journal of Phase Equilibria, 20 (6), 626-630 (1999). [View on-line]
Point defects and diffusion in Ni₃Al H. Numakura, N. Kurita, M. Koiwa Solid-Solid Phase Transformations PTM'99, edited by M. Koiwa, K. Otsuka and T. Miyazaki, The Japan Institute of Metals, Sendai (1999), pp. 465-472.
On the origin of the anelastic relaxation effect in Ni₃Al H. Numakura, N. Kurita, M, Koiwa, P. Gadaud Philosophical Magazine A, 79 (4), 943-953 (1999). [View on-line]
Point defects and diffusion in Ni₃Ga T. Ikeda, A. Almazouzi, A. Funao, H. Numakura, M. Koiwa, Y. Shirai, K. Nonaka, W. Sprengel, H. Nakajima Materials Research Society Symposium Proceedings, 527, 179-184 (1998). [Book info]
Diffusion of constituent elements in Ni₃Ge studied by tracer and interdiffusion experiments K. Nonaka, T. Arayashiki, H. Nakajima, K. Tanaka, T. Korata, T. Ikeda, H. Numakura, M. Koiwa PRICM 3 - Proceedings of The Third Pacific Rim International Conference on Advanced Materials and Processing, edited by M. A. Imam, R. DeNale, S. Hanada, Z. Zhong and D. N. Lee, The Minerals, Metals and Materials Society, Warrendale (1998), pp. 1257-1262. [Book info]
Self-diffusion mechanism in Ni-based L1₂ type intermetallic compounds H. Numakura, T. Ikeda, M. Koiwa, A. Almazouzi Philosophical Magazine A, 77 (4), 887-909 (1998). [View on-line]
A Bragg−Williams model for the thermodynamic activity and the thermodynamic factor for diffusion for ordered alloys with substitutional defects T. Ikeda, H. Numakura, M. Koiwa Acta Materialia, 46 (18), 6605-6613 (1998) [View on-line]; corrigendum - ibid., 47 (6), 1993 (1999). [View on-line]
Single-phase interdiffusion in Ni₃Al T. Ikeda, A. Almazouzi, H. Numakura, M. Koiwa, W. Sprengel, H. Nakajima Acta Materialia, 46 (15), 5369-5376 (1998). [View on-line]
Diffusion mechanisms in some Ni-based intermetallic compounds T. Ikeda, H. Numakura, M. Koiwa Thermec '97, edited by T. Chandra and T. Sakai, The Minerals, Metals and Materials Society, Warrendale (1997), pp. 1543-1549. [Book info]
Interdiffusion in Ni₃Al T. Ikeda, A. Almazouzi, H. Numakura, M. Koiwa, W. Sprengel, H. Nakajima Defect and Diffusion Forum, 143-147, 275-278 (1997). [View on-line]
Self-diffusion in L1₂-type intermetallic compounds Ni₃Ge and Ni₃Ga K. Nonaka, T. Arayashiki, H. Nakajima, A. Almazouzi, K. Tanaka, T. Ikeda, H. Numakura, M. Koiwa Defect and Diffusion Forum, 143-147, 269-274 (1997). [View on-line]
Diffusion in L1₂ type intermetallic compounds M. Koiwa, H. Numakura, S. Ishioka Defect and Diffusion Forum, 143-147, 209-222 (1997). [View on-line]
Site occupation preference of Fe in Ni₃Al: an atom-probe study A. Almazouzi, H. Numakura, M. Koiwa, K. Hono, T. Sakurai Intermetallics, 5 (1), 37-43 (1997). [View on-line]
An atom-probe study of the site preference of Ge in Ni₃Al H. Numakura, T. Yamada, M. Koiwa, I. A. Szabo, K. Hono, T. Sakurai Defect and Diffusion Forum, 95-98, 869-874 (1993). [View on-line]
Determination of site preference of Cu and Ge in Ni₃Al K. Hono, H. Numakura, I. A. Szabo, A. Chiba, T. Sakurai Surface Science, 266, 358-363 (1992). [View on-line]