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Ando, Masami; Wakai, Eiichi; Tanigawa, Hiroyasu; Kawasaki, Yasushi
Nihon Kinzoku Gakkai-Shi, 72(10), p.785 - 788, 2008/10
Times Cited Count：1 Percentile：12.99(Metallurgy & Metallurgical Engineering)no abstracts in English
Mitsuhara, Masatoshi*; Ikeda, Kenichi*; Hata, Satoshi*; Nakashima, Hideharu*; Wakai, Takashi
no journal, ,
no abstracts in English
Kim, S.-W.; Otsuka, Satoshi; Kaito, Takeji; Inoue, Masaki
no journal, ,
no abstracts in English
Tsukada, Yuki*; Shiraki, Atsuhiro*; Murata, Yoshinori*; Morinaga, Masahiko*; Takaya, Shigeru; Koyama, Toshiyuki*
no journal, ,
no abstracts in English
Yamaguchi, Masatake
no journal, ,
The progress of computers and codes elables us to calculate grain-boundary cohesive energy (
) from first-principles. I calculated the change of by boron, carbon, phosphorous, and sulfur segregation on bcc Fe 
3(111) grain boundary. I found that the change of is excellently proportional to the change of ductile-to-brittle transition temperature observed experimentally. It clarifies that is a key parameter of grain boundary embrittlement.
Chikada, Nobuyoshi*; Hayashi, Shigenari*; Ukai, Shigeharu*; Onuki, Somei*; Otsuka, Satoshi; Kaito, Takeji
no journal, ,
The hardness measurement by nanoindentation and microstructure analysis by TEM revealed that the tempering softening resistance of 9Cr-ODS ferritic steels is owing to the formation of ultrafine grains in residual ferrite phase.
Numata, Hiroya*; Hayashi, Shigenari*; Ukai, Shigeharu*; Otsuka, Satoshi; Kaito, Takeji
no journal, ,
The 
fiber texture of {115}
{111}
110
aligned to the rolling plane and rolling direction is formed in 12Cr-ODS ferritic steels. The recrystallization texture of {110}001 can be formed at 1100
C.
Ono, Masao; Iguchi, Yusuke*; Okayasu, Satoru; Esaka, Fumitaka; Kobayashi, Katsura*; Hao, T.; Bagum, R.*; Osawa, Takahito; Fujii, Kimio; Nakamura, Eizo*; et al.
no journal, ,
The atomic-scale graded structure of In-Pb alloy was formed by an ultracentrifuge experiment under conditions that a gravitational field of 0.81
10
G for 100 hours at 150 C in solid state in our previous study. The isotope ratio measurements were performed on the centrifuged sample with secondary ion mass spectrometer (SIMS, CAMECA IMS-6f). Both 
In/
In and 
Pb/
isotope ratio changed with negative gradient in the direction of centrifugal force approximately 1.2% showing the tendency that the heavy In isotope (Pb isotope) abundance increased and light In isotope (Pb isotope) abundance decreased in the direction of centrifugal force. This showed that the isotope fractionation effect due to sedimentation of atoms occurred in this alloy by ultracentrifuge experiment.
Sakai, Seiji; Sugai, Isamu; Matsumoto, Yoshihiro; Mitani, Seiji*; Takanashi, Koki; Naramoto, Hiroshi*; Avramov, P.; Okayasu, Satoru; Maeda, Yoshihito
no journal, ,
no abstracts in English
filmsInoue, Aichi; Yamamoto, Shunya; Katsui, Hirokazu*; Nagata, Shinji*; Yoshikawa, Masahito; Shikama, Tatsuo*
no journal, ,
no abstracts in English
