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Saito, Junichi; Kobayashi, Yohei*; Shibutani, Hideo*
Materials Transactions, 62(10), p.1524 - 1532, 2021/10
Times Cited Count：5 Percentile：41.35(Materials Science, Multidisciplinary)no abstracts in English
Saito, Junichi; Kobayashi, Yohei*; Shibutani, Hideo*
Nihon Kinzoku Gakkai-Shi, 85(3), p.110 - 119, 2021/03
Times Cited Count：1 Percentile：8.06(Metallurgy & Metallurgical Engineering)Sasaki, Yuji; Ban, Yasutoshi; Morita, Keisuke; Matsumiya, Masahiko*; Ono, Ryoma*; Shiroishi, Hidenobu*
Solvent Extraction Research and Development, Japan, 27(1), p.63 - 67, 2020/00
Times Cited Count：6 Percentile：31.74(Chemistry, Multidisciplinary)Mutual separation technique of Dy and Nd in Nd magnet is studied. Dy is more valuable than Nd, then Dy might be isolated and reused. Lanthanide elements can be extracted thoroughly by diglycolamide (DGA) extractants, we use this reagent for the recovery and isolation of Dy. Tetradodecyl-DGA (TDdDGA) has relatively high separation factors(SF) between Dy and Nd (SF=17-18) in HNO
extraction system, counter-current extraction using TDdDGA was applied for their mutual separation. From the present study, using the condition, four extraction stages, organic phase: 0.1M TDdDGA in n-dodecane, aqueous phase: 0.3M HNO, 92% Dy can be recovered with 0.7% co-extraction of Nd.
TiO pebbles with different diametersTsuchiya, Kunihiko; Kawamura, Hiroshi; Tanaka, Satoru*
Fusion Engineering and Design, 81(8-14), p.1065 - 1069, 2006/02
Times Cited Count：11 Percentile：60.27(Nuclear Science & Technology)no abstracts in English
Shimizu, Katsuhiro; Takizuka, Tomonori; Sakurai, Shinji; Tamai, Hiroshi; Takenaga, Hidenobu; Kubo, Hirotaka; Miura, Yukitoshi
Journal of Nuclear Materials, 313-316, p.1277 - 1281, 2003/00
Times Cited Count：33 Percentile：88.19(Materials Science, Multidisciplinary)no abstracts in English
Umemoto, Michitaka; Ishigami, Tsutomu; Kobayashi, Kensuke
Chiiki Anzen Gakkai Rombunshu, 4, p.231 - 240, 2002/11
no abstracts in English
Chankin, A. V.; Itami, Kiyoshi; Asakura, Nobuyuki
Plasma Physics and Controlled Fusion, 44(5A), p.A399 - A405, 2002/05
Times Cited Count：10 Percentile：33.09(Physics, Fluids & Plasmas)no abstracts in English
Takase, Kazuyuki; Ose, Yasuo*; Suzuki, Takayuki*; Kunugi, Tomoaki*
Nihon Kikai Gakkai Kanto Shibu Yamanashi Koenkai (2001) Koen Rombunshu, p.197 - 198, 2001/00
no abstracts in English
Kubo, Hirotaka; Sakurai, Shinji; Asakura, Nobuyuki; Shimizu, Katsuhiro; Itami, Kiyoshi; Konoshima, Shigeru; Koide, Yoshihiko; Fujita, Takaaki; Takenaga, Hidenobu; Higashijima, Satoru; et al.
Proceedings of 28th European Physical Society Conference on Controlled Fusion and Plasma Physics, Volume 25A, p.1353 - 1356, 2001/00
no abstracts in English
Futakawa, Masatoshi; Wakui, Takashi*; Ioka, Ikuo; Eto, Motokuni
Journal of the European Ceramic Society, 20(8), p.1135 - 1143, 2000/05
Times Cited Count：5 Percentile：44.86(Materials Science, Ceramics)no abstracts in English
*; *; Kawasaki, Hirotsugu; Aoto, Kazumi
JNC TY9400 2000-010, 138 Pages, 2000/03
JNC-TY9400-2000-010.pdf:5.15MB
None
Hashizume, Shuji*; Matsumoto, Junko; Bamba, Tsunetaka
Genshiryoku Bakkuendo Kenkyu, 6(1), p.101 - 106, 1999/12
no abstracts in English
Sakasai, Akira; Takenaga, Hidenobu; Hosogane, Nobuyuki; Kubo, Hirotaka; Sakurai, Shinji; Akino, Noboru; Fujita, Takaaki; Higashijima, Satoru; Tamai, Hiroshi; Asakura, Nobuyuki; et al.
Fusion Energy 1998 (CD-ROM), 8 Pages, 1999/00
no abstracts in English
JNC TN9400 99-009, 39 Pages, 1998/12
In this paper, an approach to the reconstruction of an idealized natural crack of non-vanishing conductivity is proposed with use of signals of eddy current testing. Two numerical models are introduced at first for modeling a Stress Corrosion Crack (SCC) in order it possibly to be represented by a set of crack parameters. A method for rapid prediction of the eddy current testing signals arisen from these idealized cracks is given then by extending a knowledge based fast forward solver developed by authors to the case of a non-vanishing conductivity. On the other hand, the inverse algorithm of conjugate gradient method is improved to reconstruct the crack parameters and is implemented with the pick-up signals and gradients calculated by using the rapid forward solver. Several examples are presented finally for validating the proposed strategy. The results verified that both of the models can give reasonable reconstruction results in case of a low noise level. The model concerning the touch of crack surfaces with a conducting band region surrounded by the crack edge, however, is proved more efficient than the model using a conductivity distribution from the point of view of both reconstruction speed and accuracy.
Sakurai, Shinji; Asakura, Nobuyuki; Itami, Kiyoshi; Kubo, Hirotaka; Higashijima, Satoru; Shimada, Michiya
Bulletin of the American Physical Society, 43(8), P. 1829, 1998/11
no abstracts in English
Hashizume, Shuji; Matsumoto, Junko; Bamba, Tsunetaka
Genshiryoku Bakkuendo Kenkyu, 5(1), p.45 - 49, 1998/08
no abstracts in English
Kubo, Hirotaka; Sawada, Keiji*
Purazuma, Kaku Yugo Gakkai-Shi, 74(6), p.562 - 567, 1998/06
no abstracts in English
Brear, D. J.
PNC TN9410 98-005, 53 Pages, 1998/01
When liquid fuel makes contact with steel structure the liquid can freeze as a crust and the structure can melt at the surface. The melting and freezing processes that occur can influence the mode of fuel freezing and hence fuel relocation. Furthermore the temperature gradients established in the fuel and steel phases determine the rate at which heat is transferred from fuel to steel. In this memo the 1-D transient heat conduction equations are applied to the case of initially liquid UO brought into contact with solid steel using up-to-date materials properties. The solutions predict criteria for fuel crust formation and steel melting and provide a simple algorithm to determine the interface temperature when one or both of the materials is undergoing phase change. The predicted steel melting criterion is compared with available experimental results.
Ooka, Norikazu;
Keikinzoku Yosetsu, 36(4), p.169 - 174, 1998/00
no abstracts in English
Kimura, Takaumi; Kato, Yoshiharu; Yoshida, Zenko
Radiochimica Acta, 82, p.141 - 145, 1998/00
no abstracts in English
