Hydrogen absorbing properties and structures of Ti-Cr-Mo alloys

K. Kubo, H. Itoh, T. Takahashi, T. Ebisawa, T. Kabutomori, Y. Nakamura, E. Akiba

Research output: Contribution to journalConference article

38 Citations (Scopus)

Abstract

Ti-Cr-Mo alloys show different hydrogenation properties to Ti-Cr-V and Ti-Mn-V hydrogen absorbing alloys with b.c.c. structure. Ti-Cr-Mo alloys have a smaller solid solution range (<0.5 wt.%) than Ti-Cr-V (<1.3 wt.%). In order to understand this difference, crystal structure and hydrogenation behaviors were investigated by X-ray diffraction and pressure-composition isotherms (P-C-T) measurements. Most of the alloys investigated were single bcc phase. The relation of the plateau pressure vs. lattice volume of Ti-Cr-Mo alloys was opposite to Ti-Cr-V and many of conventional intermetallic alloys. The new parameter, the radius of tetrahedral hydrogen site, is introduced. This new parameter gives a linear relationship with the plateau pressure for both Ti-Cr-Mo and Ti-Cr-V alloys. Hydrogen capacity of Ti-Cr-Mo and Ti-Cr-V are the same in a hydrogen to metal ratio basis. Slight addition of V to Ti-Cr-Mo alloys leads to dramatic increase of solid solution range.

Original languageEnglish
Pages (from-to)452-455
Number of pages4
JournalJournal of Alloys and Compounds
Volume356-357
DOIs
Publication statusPublished - Aug 11 2003
EventProceedings of the Eight International Symposium on Metal Hyd (MH 2002) - Annecy, France
Duration: Sep 2 2002Sep 6 2002

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Hydrogen
Hydrogenation
Solid solutions
Lead alloys
Intermetallics
Isotherms
Crystal structure
Metals
X ray diffraction
Chemical analysis

All Science Journal Classification (ASJC) codes

  • Mechanics of Materials
  • Mechanical Engineering
  • Metals and Alloys
  • Materials Chemistry

Cite this

Kubo, K., Itoh, H., Takahashi, T., Ebisawa, T., Kabutomori, T., Nakamura, Y., & Akiba, E. (2003). Hydrogen absorbing properties and structures of Ti-Cr-Mo alloys. Journal of Alloys and Compounds, 356-357, 452-455. https://doi.org/10.1016/S0925-8388(03)00228-7

Hydrogen absorbing properties and structures of Ti-Cr-Mo alloys. / Kubo, K.; Itoh, H.; Takahashi, T.; Ebisawa, T.; Kabutomori, T.; Nakamura, Y.; Akiba, E.

In: Journal of Alloys and Compounds, Vol. 356-357, 11.08.2003, p. 452-455.

Research output: Contribution to journalConference article

Kubo, K, Itoh, H, Takahashi, T, Ebisawa, T, Kabutomori, T, Nakamura, Y & Akiba, E 2003, 'Hydrogen absorbing properties and structures of Ti-Cr-Mo alloys', Journal of Alloys and Compounds, vol. 356-357, pp. 452-455. https://doi.org/10.1016/S0925-8388(03)00228-7
Kubo K, Itoh H, Takahashi T, Ebisawa T, Kabutomori T, Nakamura Y et al. Hydrogen absorbing properties and structures of Ti-Cr-Mo alloys. Journal of Alloys and Compounds. 2003 Aug 11;356-357:452-455. https://doi.org/10.1016/S0925-8388(03)00228-7
Kubo, K. ; Itoh, H. ; Takahashi, T. ; Ebisawa, T. ; Kabutomori, T. ; Nakamura, Y. ; Akiba, E. / Hydrogen absorbing properties and structures of Ti-Cr-Mo alloys. In: Journal of Alloys and Compounds. 2003 ; Vol. 356-357. pp. 452-455.
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AU - Nakamura, Y.

AU - Akiba, E.

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N2 - Ti-Cr-Mo alloys show different hydrogenation properties to Ti-Cr-V and Ti-Mn-V hydrogen absorbing alloys with b.c.c. structure. Ti-Cr-Mo alloys have a smaller solid solution range (<0.5 wt.%) than Ti-Cr-V (<1.3 wt.%). In order to understand this difference, crystal structure and hydrogenation behaviors were investigated by X-ray diffraction and pressure-composition isotherms (P-C-T) measurements. Most of the alloys investigated were single bcc phase. The relation of the plateau pressure vs. lattice volume of Ti-Cr-Mo alloys was opposite to Ti-Cr-V and many of conventional intermetallic alloys. The new parameter, the radius of tetrahedral hydrogen site, is introduced. This new parameter gives a linear relationship with the plateau pressure for both Ti-Cr-Mo and Ti-Cr-V alloys. Hydrogen capacity of Ti-Cr-Mo and Ti-Cr-V are the same in a hydrogen to metal ratio basis. Slight addition of V to Ti-Cr-Mo alloys leads to dramatic increase of solid solution range.

AB - Ti-Cr-Mo alloys show different hydrogenation properties to Ti-Cr-V and Ti-Mn-V hydrogen absorbing alloys with b.c.c. structure. Ti-Cr-Mo alloys have a smaller solid solution range (<0.5 wt.%) than Ti-Cr-V (<1.3 wt.%). In order to understand this difference, crystal structure and hydrogenation behaviors were investigated by X-ray diffraction and pressure-composition isotherms (P-C-T) measurements. Most of the alloys investigated were single bcc phase. The relation of the plateau pressure vs. lattice volume of Ti-Cr-Mo alloys was opposite to Ti-Cr-V and many of conventional intermetallic alloys. The new parameter, the radius of tetrahedral hydrogen site, is introduced. This new parameter gives a linear relationship with the plateau pressure for both Ti-Cr-Mo and Ti-Cr-V alloys. Hydrogen capacity of Ti-Cr-Mo and Ti-Cr-V are the same in a hydrogen to metal ratio basis. Slight addition of V to Ti-Cr-Mo alloys leads to dramatic increase of solid solution range.

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