Hydrogen isotope effects in Ti1.0Mn0.9V1.1 and Ti1.0Cr1.5V1.7 alloys

Sung Wook Cho; Etsuo Akiba; Yumiko Nakamura; Hirotoshi Enoki

doi:10.1016/S0925-8388(99)00585-X

Hydrogen isotope effects in Ti_1.0Mn_0.9V_1.1 and Ti_1.0Cr_1.5V_1.7 alloys

Sung Wook Cho, Etsuo Akiba, Yumiko Nakamura, Hirotoshi Enoki

Research output: Contribution to journal › Article › peer-review

22 Citations (Scopus)

Abstract

The hydrogen isotope effects in Ti_1.0Mn_0.9V_1.1 and Ti_1.0Cr_1.5V_1.7 alloys have been investigated at 313 and 353 K and at 313 and 338 K, respectively, using protium and deuterium. The crystal structures including the phase abundance and the lattice parameters were determined by the Rietveld method. Using SEM and EDX, the morphology was examined and an elemental analysis was carried out. In both alloys and regardless of temperature, the amounts of deuterium absorption were larger than those of protium. The hydrogen isotope effects of Ti_1.0Mn_0.9V_1.1 and Ti_1.0Cr_1.5V_1.7 were fairly large in comparison with that of LaNi₅. The protide of the Ti_1.0Mn_0.9V_1.1 alloy was more stable than the corresponding deuteride, although at 313 K the equilibrium pressures of deuterium and protium showed slightly opposite behaviour. In the Ti_1.0Cr_1.5V_1.7 alloy, the deuteride was always more stable than the corresponding protide in the experimental temperature range. The Ti_1.0Cr_1.5V_1.7 alloy absorbed more deuterium and protium than the Ti_1.0Mn_0.9V_1.1 alloy.

Original language	English
Pages (from-to)	253-260
Number of pages	8
Journal	Journal of Alloys and Compounds
Volume	297
Issue number	1-2
DOIs	https://doi.org/10.1016/S0925-8388(99)00585-X
Publication status	Published - Feb 2 2000
Externally published	Yes

All Science Journal Classification (ASJC) codes

Mechanics of Materials
Mechanical Engineering
Metals and Alloys
Materials Chemistry

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10.1016/S0925-8388(99)00585-X

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title = "Hydrogen isotope effects in Ti1.0Mn0.9V1.1 and Ti1.0Cr1.5V1.7 alloys",

abstract = "The hydrogen isotope effects in Ti1.0Mn0.9V1.1 and Ti1.0Cr1.5V1.7 alloys have been investigated at 313 and 353 K and at 313 and 338 K, respectively, using protium and deuterium. The crystal structures including the phase abundance and the lattice parameters were determined by the Rietveld method. Using SEM and EDX, the morphology was examined and an elemental analysis was carried out. In both alloys and regardless of temperature, the amounts of deuterium absorption were larger than those of protium. The hydrogen isotope effects of Ti1.0Mn0.9V1.1 and Ti1.0Cr1.5V1.7 were fairly large in comparison with that of LaNi5. The protide of the Ti1.0Mn0.9V1.1 alloy was more stable than the corresponding deuteride, although at 313 K the equilibrium pressures of deuterium and protium showed slightly opposite behaviour. In the Ti1.0Cr1.5V1.7 alloy, the deuteride was always more stable than the corresponding protide in the experimental temperature range. The Ti1.0Cr1.5V1.7 alloy absorbed more deuterium and protium than the Ti1.0Mn0.9V1.1 alloy.",

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T1 - Hydrogen isotope effects in Ti1.0Mn0.9V1.1 and Ti1.0Cr1.5V1.7 alloys

AU - Cho, Sung Wook

AU - Akiba, Etsuo

AU - Nakamura, Yumiko

AU - Enoki, Hirotoshi

PY - 2000/2/2

Y1 - 2000/2/2

N2 - The hydrogen isotope effects in Ti1.0Mn0.9V1.1 and Ti1.0Cr1.5V1.7 alloys have been investigated at 313 and 353 K and at 313 and 338 K, respectively, using protium and deuterium. The crystal structures including the phase abundance and the lattice parameters were determined by the Rietveld method. Using SEM and EDX, the morphology was examined and an elemental analysis was carried out. In both alloys and regardless of temperature, the amounts of deuterium absorption were larger than those of protium. The hydrogen isotope effects of Ti1.0Mn0.9V1.1 and Ti1.0Cr1.5V1.7 were fairly large in comparison with that of LaNi5. The protide of the Ti1.0Mn0.9V1.1 alloy was more stable than the corresponding deuteride, although at 313 K the equilibrium pressures of deuterium and protium showed slightly opposite behaviour. In the Ti1.0Cr1.5V1.7 alloy, the deuteride was always more stable than the corresponding protide in the experimental temperature range. The Ti1.0Cr1.5V1.7 alloy absorbed more deuterium and protium than the Ti1.0Mn0.9V1.1 alloy.

AB - The hydrogen isotope effects in Ti1.0Mn0.9V1.1 and Ti1.0Cr1.5V1.7 alloys have been investigated at 313 and 353 K and at 313 and 338 K, respectively, using protium and deuterium. The crystal structures including the phase abundance and the lattice parameters were determined by the Rietveld method. Using SEM and EDX, the morphology was examined and an elemental analysis was carried out. In both alloys and regardless of temperature, the amounts of deuterium absorption were larger than those of protium. The hydrogen isotope effects of Ti1.0Mn0.9V1.1 and Ti1.0Cr1.5V1.7 were fairly large in comparison with that of LaNi5. The protide of the Ti1.0Mn0.9V1.1 alloy was more stable than the corresponding deuteride, although at 313 K the equilibrium pressures of deuterium and protium showed slightly opposite behaviour. In the Ti1.0Cr1.5V1.7 alloy, the deuteride was always more stable than the corresponding protide in the experimental temperature range. The Ti1.0Cr1.5V1.7 alloy absorbed more deuterium and protium than the Ti1.0Mn0.9V1.1 alloy.

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Hydrogen isotope effects in Ti_1.0Mn_0.9V_1.1 and Ti_1.0Cr_1.5V_1.7 alloys

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