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Journal Articles

Analysis of residual stress in steel bar processed by cold drawing and straightening

Nishida, Satoru*; Nishino, Soichiro*; Sekine, Masahiko*; Oka, Yuki*; Harjo, S.; Kawasaki, Takuro; Suzuki, Hiroshi; Morii, Yukio*; Ishii, Yoshinobu*

Materials Transactions, 62(5), p.667 - 674, 2021/05

 Times Cited Count:1 Percentile:0(Materials Science, Multidisciplinary)

JAEA Reports

Evaluation of irradiation behavior on oxide dispersion strengthened (ODS) steel claddings irradiated in Joyo/CMIR-6

Yano, Yasuhide; Otsuka, Satoshi; Yamashita, Shinichiro; Ogawa, Ryuichiro; Sekine, Manabu; Endo, Toshiaki; Yamagata, Ichiro; Sekio, Yoshihiro; Tanno, Takashi; Uwaba, Tomoyuki; et al.

JAEA-Research 2013-030, 57 Pages, 2013/11

JAEA-Research-2013-030.pdf:48.2MB

It is necessary to develop the fast reactor core materials, which can achieve high-burnup operation improving safety and economical performance. Ferritic steels are expected to be good candidate core materials to achieve this objective because of their excellent void swelling resistance. Therefore, oxide dispersion strengthened (ODS) ferritic steel and 11Cr-ferritic/martensitic steel (PNC-FMS) have been respectively developed for cladding and wrapper tube materials in Japan Atomic Energy Agency. In this study, the effects of fast neutron irradiation on mechanical properties and microstructure of 9Cr-and 12Cr-ODS steel claddings for fast reactor were investigated. Specimens were irradiated in the experimental fast reactor Joyo using the CMIR-6 at temperatures between 420 and 835$$^{circ}$$C to fast neutron doses ranging from 16 to 33 dpa. The post-irradiation ring tensile tests were carried out at irradiation temperatures.

Journal Articles

The Project for grouting development for high level radioactive waste repository, 3; Study of allowable seepage water quantity by permiability test though contact face of buffer material blocks

Sekine, Ichiro*; Yamada, Tsutomu*; Sekiguchi, Takashi*; Fujita, Tomo; Nakanishi, Tatsuro

Doboku Gakkai Heisei-23-Nendo Zenkoku Taikai Dai-66-Kai Nenji Gakujutsu Koenkai Koen Gaiyoshu (DVD-ROM), p.69 - 70, 2011/09

no abstracts in English

Journal Articles

The Project for grouting development for high level radioactive waste repository, 4; Development of superfine spherical silica grout

Yamada, Tsutomu*; Sekine, Ichiro*; Sekiguchi, Takashi*; Ishida, Hideaki*; Kishi, Hirokazu; Fukuoka, Naomi

Doboku Gakkai Heisei-22-Nendo Zenkoku Taikai Dai-65-Kai Nenji Gakujutsu Koenkai Koen Gaiyoshu (DVD-ROM), p.89 - 90, 2010/09

no abstracts in English

Journal Articles

Effect of fine precipitate on void swelling behavior in heavily-irradiated modified SUS316 stainless steels for fast reactor application

Yamashita, Shinichiro; Sekine, Manabu*; Akasaka, Naoaki

Materia, 47(12), P. 624, 2008/12

no abstracts in English

JAEA Reports

Study of ageing effect of long-term storage fuel in prototype fast breeder reactor Monju

Kato, Yuko; Umebayashi, Eiji; Okimoto, Yutaka; Okuda, Eiichi; Takayama, Koichi; Ozawa, Takayuki; Maeda, Seiichiro; Matsuzaki, Masaaki; Yoshida, Eiichi; Maeda, Koji; et al.

JAEA-Research 2007-019, 56 Pages, 2007/03

JAEA-Research-2007-019.pdf:6.79MB

In order to resume the System Startup Test (SST) of Monju, replacement fuel have to be loaded in exchange for some of initial fuel now loaded in the core to compensate core reactivity lost by decay of Pu-241 in them. The replacement fuel were being stored either in sodium in an ex-vessel storage tank or in air in a storage rack for about 10 years since their fabrication. The initial fuel were irradiated during the SST which was suspended in the end of 1995 and then stayed being loaded in the sodium-circulated core. As this long-term storage and loading may deteriorate mechanical integrity of the assemblies, a study has been made thoroughly on its thermal-hydraulic, structural and material effects on them that might be caused by irradiation in the core, sodium and mechanical environment. The study has shown that the mechanical integrity of them is well maintained even with this long-term storage and loading.

Journal Articles

Production of positron emitters of metallic elements to study plant uptake and distribution

Watanabe, Satoshi; Ishioka, Noriko; Osa, Akihiko; Koizumi, Mitsuo; Sekine, Toshiaki; Kiyomiya, Shoichiro*; Nakanishi, Hiromi*; Mori, Satoshi*

Radiochimica Acta, 89(11-12), p.853 - 858, 2002/02

 Times Cited Count:17 Percentile:75.92(Chemistry, Inorganic & Nuclear)

no abstracts in English

Journal Articles

Real-time [$$^{11}$$C]methionine translocation in barley in relation to mugineic acid phytosiderophore biosynthesis

Bughio, N.*; Nakanishi, Hiromi*; Kiyomiya, Shoichiro*; Matsuhashi, Shimpei; Ishioka, Noriko; Watanabe, Satoshi; Uchida, Hiroshi*; Tsuji, Atsunori*; Osa, Akihiko; Kume, Tamikazu; et al.

Planta, 213(5), p.708 - 715, 2001/09

 Times Cited Count:16 Percentile:38.22(Plant Sciences)

[$$^{11}$$C]Methionine ([$$^{11}$$C]Met) was supplied through barley roots and the $$^{11}$$C signal was follwoed using a real-time imaging system (PETIS), with subsequent development of autoradiographic images of the whole plant. In all cases, [$$^{11}$$C]Met was first translocated to the discrimination center, and this part was strongly labeled. Met absorbed by roots of the plants was subsequently translocated to other parts of the plant. In Fe-deficient (-Fe) barley plants, a drastic reduction in [$$^{11}$$C]Met translocation from the roots to the shoot was observed, while a greater amount of $$^{11}$$C was found in the leaves of Fe-sufficient or Met-pretreated -Fe plants. Treatment of -Fe plants with amiooxyacetic acid increased the translocation of [$$^{11}$$C]Met to the shoot. The retention of exogenously supplied [$$^{11}$$C]Met in the roots of -Fe barley indicates that the Met is used in the biosynthesis of mugineic acid (MA) in barley roots. This and the absence of Met movement from shoots to the roots suggest that the MA phytosiderophores precursor Met originates in the roots of plants.

Journal Articles

Visualization of $$^{15}$$O-water flow in tomato and rice in the light and dark using a positron-emitting tracer imaging system (PETIS)

Mori, Satoshi*; Kiyomiya, Shoichiro*; Nakanishi, Hiromi*; Ishioka, Noriko; Watanabe, Satoshi; Osa, Akihiko; Matsuhashi, Shimpei; Hashimoto, Shoji; Sekine, Toshiaki; Uchida, Hiroshi*; et al.

Soil Science and Plant Nutrition, 46(4), p.975 - 979, 2000/12

 Times Cited Count:29 Percentile:59.03(Plant Sciences)

no abstracts in English

Journal Articles

Recent studies of unstable nuclei far from stability with the on-line isotope separators of JAERI

Sekine, Toshiaki; Ichikawa, Shinichi; Osa, Akihiko; Koizumi, Mitsuo; Iimura, Hideki; Tsukada, Kazuaki; Nishinaka, Ichiro; Hatsukawa, Yuichi; Nagame, Yuichiro; Asai, Masato*; et al.

Journal of Radioanalytical and Nuclear Chemistry, 239(1), p.127 - 131, 1999/00

 Times Cited Count:2 Percentile:21.63(Chemistry, Analytical)

no abstracts in English

Journal Articles

Mass yield curves in low-energy proton-induced fission of $$^{233}$$U, $$^{235}$$U, $$^{236}$$U, $$^{237}$$Np, $$^{239}$$Pu, $$^{242}$$Pu, $$^{244}$$Pu, $$^{241}$$Am and $$^{243}$$Am

Otsuki, Tsutomu*; Nagame, Yuichiro; Tsukada, Kazuaki*; Shinohara, Nobuo; *; Hashimoto, Kazuyuki; *; Sueki, Keisuke*; ; ; et al.

Physical Review C, 44(4), p.1405 - 1423, 1991/10

 Times Cited Count:35 Percentile:86.39(Physics, Nuclear)

no abstracts in English

Journal Articles

Production of $$^{95m}$$Tc with proton bombardment of $$^{95}$$Mo

Izumo, Mishiroku; Matsuoka, Hiromitsu; Sorita, Takami; Nagame, Yuichiro; Sekine, Toshiaki; ; *

Applied Radiation and Isotopes, 42(3), p.297 - 301, 1991/00

no abstracts in English

Journal Articles

Symmetric mass division process in the reactions $$^{37}$$Cl + $$^{68}$$Zn and $$^{16}$$O + $$^{89}$$Y

Nagame, Yuichiro; Ikezoe, Hiroshi; Otsuki, Tsutomu*; Yokoyama, Akihiko*; ; *; ; Sekine, Toshiaki; Ideno, K.

Physics Letters B, 249(1), p.13 - 17, 1990/10

 Times Cited Count:3 Percentile:26.98(Astronomy & Astrophysics)

no abstracts in English

JAEA Reports

Production of $$^{95m}$$Tc with the $$^{95}$$Mo(p,n) reaction

Izumo, Mishiroku; Sorita, Takami; Matsuoka, Hiromitsu; Nagame, Yuichiro; ; Sekine, Toshiaki;

JAERI-M 90-156, 13 Pages, 1990/09

JAERI-M-90-156.pdf:0.4MB

no abstracts in English

Journal Articles

Statistical emission of complex fragments produced in the reaction $$^{37}$$Cl + $$^{68}$$Zn

Nagame, Yuichiro; Ikezoe, Hiroshi; *; ; Sekine, Toshiaki; ; *; Ideno, K.; Yokoyama, Akihiko*; ; et al.

Nuclear Physics A, 510, p.518 - 532, 1990/00

 Times Cited Count:10 Percentile:57.1(Physics, Nuclear)

no abstracts in English

Journal Articles

Symmetric and asymmetric mass divisions of the compound nucleus $$^{105}$$Ag

Nagame, Yuichiro; Ikezoe, Hiroshi; ; ; Sekine, Toshiaki; ; Ideno, K.; Yokoyama, Akihiko*; *; Otsuki, Tsutomu*

Heavy-Ion Reaction Dynamics in Tandem Energy Region, p.265 - 274, 1988/00

no abstracts in English

Journal Articles

Evaporation residue formation competing with the fission process in the $$^{197}$$Au+$$^{16}$$O,$$^{12}$$C reactions and fission barriers at a specified J window

; ; ; Sekine, Toshiaki; Nagame, Yuichiro; Yokoyama, Akihiko*; *; *; *; *; et al.

Z. Phys., A, 331, p.53 - 62, 1988/00

no abstracts in English

Journal Articles

Identification of a new isotope of $$^{121}$$La by means of element-selective mass separation

Sekine, Toshiaki; ; Oshima, Masumi; ; Nagame, Yuichiro; ; *; Yokoyama, Akihiko*

Z. Phys., A, 331, p.105 - 106, 1988/00

no abstracts in English

Oral presentation

An Estimation of the applicability of $$^{11}$$B$$_{4}$$C for moderator

Donomae, Takako; Tachi, Yoshiaki; Onose, Shoji; Matsumoto, Shinichiro; Ito, Masahiko; Sekine, Manabu*

no journal, , 

no abstracts in English

Oral presentation

Microstructural evolutions of neutron-irradiated 11Cr ferritic and martensitic steels

Yamashita, Shinichiro; Tachi, Yoshiaki; Akasaka, Naoaki; Sekine, Manabu*

no journal, , 

no abstracts in English

27 (Records 1-20 displayed on this page)