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Journal Articles

Hydrogen migration in electron irradiated Pd based dilute alloys around the 50 K anomaly

Yamakawa, Koji*; Chimi, Yasuhiro; Ishikawa, Norito; Iwase, Akihiro*

Journal of Alloys and Compounds, 370(1-2), p.211 - 216, 2004/05

 Times Cited Count:1 Percentile:86.87(Chemistry, Physical)

The migration of hydrogen in Pd-1at.% Fe-H and Pd-1at.% Ag-H alloys is investigated by electrical resistivity measurement around 50 K. The disordered hydrogen atoms are introduced by electron irradiation with 0.5 MeV electrons below 15 K. The disordered atoms order by migration of hydrogen atoms during the heating-up of the specimens. The recovery curves of electrical resistivity have two sub-stages for electron irradiated specimens and one stage for fast cooled specimens. The migration energy of hydrogen is obtained from the kinetic analysis of the resistivity change due to the ordering, using the cross-cut method for the electron irradiated specimen and fast cooled specimen. The obtained value of the migration energy for the low temperature stage is smaller than that for the high temperature stage. The value for the high temperature stage is similar to the energy for the case of fast cooling. The difference between the hydrogen atoms disordered by irradiation and that by fast cooling is discussed for Pd based alloys.

Journal Articles

Heat capacity measurements on unirradiated and irradiated fuel pellets

Amaya, M.*; Une, Katsumi*; Minato, Kazuo

Journal of Nuclear Materials, 294(1-2), p.1 - 7, 2001/04

 Times Cited Count:12 Percentile:33.08(Materials Science, Multidisciplinary)

no abstracts in English

Journal Articles

Thermal conductivities of irradiated UO$$_{2}$$ and (U,Gd)O$$_{2}$$

Minato, Kazuo; Shiratori, Tetsuo; Serizawa, Hiroyuki; Hayashi, Kimio; Une, Katsumi*; Nogita, Kazuhiro*; Hirai, Mutsumi*; Amaya, M.*

Journal of Nuclear Materials, 288(1), p.57 - 65, 2001/01

 Times Cited Count:19 Percentile:20.1(Materials Science, Multidisciplinary)

no abstracts in English

Journal Articles

A Study of defect structures in fast neutron irradiated nickel and ion by measurements of magnetic anisotropy

; *

Radiation-Induced Changes in Microstructure, Part 1, p.27 - 37, 1987/00

no abstracts in English

Journal Articles

Internal friction in Al alloys after neutron irradiation at low-temperature

; *

Radiat.Eff., 91, p.21 - 38, 1985/00

no abstracts in English

Journal Articles

Recovery of electrical resistivity in amorphous PdSi alloys after low temperature neutron irradiation

; *

Radiat.Eff.Lett., 86, p.43 - 46, 1985/00

no abstracts in English

Journal Articles

Interstitials in metals

Fijikusu, 5(1), p.834 - 842, 1984/00

no abstracts in English

Journal Articles

Internal friction of Al-Mg dilute alloy after neutron irradiation at low temperature

; *

Radiat.Eff., 81, p.243 - 253, 1984/00

no abstracts in English

Journal Articles

Internal friction of chromium single crystal after neutron irradiation at low temperature

; *

Radiat.Eff., 81, p.231 - 242, 1984/00

no abstracts in English

Journal Articles

Vacancy in graphite: Positron studies

*; ; Takahashi, Toru*; *

Journal of the Physical Society of Japan, 52(2), p.694 - 702, 1983/00

 Times Cited Count:14 Percentile:26.06(Physics, Multidisciplinary)

no abstracts in English

Journal Articles

Recovery of Cu,Ag and Ni dilute alloys after loss temperature irradiation

; *

Point Defects and Defect Interactions in Metals, p.396 - 399, 1982/00

no abstracts in English

11 (Records 1-11 displayed on this page)
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