Zobrazeno 1 - 10
of 48
pro vyhledávání: '"Hiroyuki Anada"'
Publikováno v:
Materials & Design, Vol 110, Iss, Pp 296-303 (2016)
In certain process units, such as hydrocracking, soda ash washing (neutralization) of austenitic stainless steel is required during turnarounds to mitigate the potential for polythionic acid stress corrosion cracking (PTA SCC). Soda ash washing can b
Autor:
Takanori Nishizaki, Kiyoko Takeda, Ken Kurosaki, Masayoshi Uno, Shinsuke Yamanaka, Mihoko Okui, Hiroyuki Anada
Publikováno v:
Journal of Alloys and Compounds. :307-312
First-principles molecular orbital calculations for the electronic states of hydrogen in ZrO 2 have been carried out using the discrete variational-Xα cluster method. Both the band gap energy and the valence band structure of ZrO 2 are in good agree
Autor:
Masatoshi Kuroda, Kiyoko Takeda, Shinsuke Yamanaka, Hiroshi Uetsuka, Daigo Setoyama, Fumihisa Nagase, Hiroyuki Anada, Masayoshi Uno
Publikováno v:
Journal of Alloys and Compounds. :400-403
An analysis, based on fracture mechanics at elevated temperatures, has been carried out for several types of hydrided Zircaloy cladding tubes to elucidate the fracture behavior of high burn up light water reactor fuel cladding during reactivity initi
Autor:
Shinsuke Yamanaka, Kiyoko Takeda, Masayoshi Uno, Hiroyuki Anada, Masatoshi Kuroda, Hiroshi Uetsuka, Daigo Setoyama, Fumihisa Nagase
Publikováno v:
Journal of Alloys and Compounds. :404-407
In order to examine the influence of precipitated zirconium hydride on the failure behavior and fracture strength of light water reactor (LWR) cladding tubes, tensile tests were performed at room temperature for non-hydrided and hydrided Zircaloy she
Autor:
Kiyoko Takeda, Ken Kurosaki, Shinsuke Yamanaka, Kazuhiro Yamada, Tetsushi Matsuda, Shinichi Kobayashi, M. Uno, Hiroyuki Anada
Publikováno v:
Journal of Alloys and Compounds. :313-317
The electronic structure of zirconium hydride was analyzed by a discrete-variational (DV)-Xα molecular orbital method. The density of states of zirconium hydride estimated by DV-Xα calculation agreed with X-ray photoemission spectroscopy spectra of
Autor:
Akira Tanabe, Jinichi Nakamura, Soichi Doi, Motoe Suzuki, Hiroshi Uetsuka, Fumihisa Nagase, Shinichi Kobayashi, Hiroyuki Anada, Motoyasu Kinoshita, Toyoshi Fuketa
Publikováno v:
Journal of the Atomic Energy Society of Japan / Atomic Energy Society of Japan. 44:536-543
Autor:
Kazuriho Yamada, Tetsushi Matsuda, Hiroyuki Anada, Kiyoko Takeda, Ken Kurosaki, Shinichi Kobayashi, Shinsuke Yamanaka, Masayoshi Uno
Publikováno v:
Journal of Alloys and Compounds. :99-104
The electrical and thermal properties of zirconium hydride and deuteride have been measured. The lattice parameter of δZrD2−x was smaller than that of δZrH2−x, and the deuteride had higher elastic moduli than the hydride. The electrical and the
Autor:
Shinichi Kobayashi, Tetsushi Matsuda, Hiroyuki Anada, Masayoshi Uno, Shinsuke Yamanaka, Kazuhiro Yamada, Ken Kurosaki, Kiyoko Takeda
Publikováno v:
Journal of Nuclear Materials. 294:94-98
Zirconium hydride specimens with hydrogen contents of 1.45–1.70 H/Zr were fabricated directly from zirconium metal in a modified UHV Sieverts apparatus. All the zirconium hydride fabricated in the present study were found from X-ray diffraction ana
Autor:
Masatoshi Kuroda, Hiroyuki Anada, Shinsuke Yamanaka, Hiroshi Uetsuka, Fumihisa Nagase, Kunihiko Yoshioka
Publikováno v:
Journal of Nuclear Science and Technology. 37:670-675
In order to clarify the influence of precipitated hydride on the fracture behavior of Zircaloy cladding tubes, the stress-strain distribution of the cladding was estimated by finite element method (FEM) analysis. The mechanical properties of α-phase
Autor:
Masahiro Katsura, Tetsushi Matsuda, K Yoshioka, Shusuke Yamanaka, Shinichi Kobayashi, M. Uno, Hiroyuki Anada
Publikováno v:
Journal of Alloys and Compounds. :23-29
The physico–chemical properties of zirconium hydride such as mechanical and thermal properties have been studied in the present study. The zirconium hydride specimens in the form of pellets (6 mm φ×10 mm l) had the hydrogen contents with 1.5–1.