Crystal structure and phase composition of alloys Zr1 - xTix(Mn1 - yVy)2

J. Huot, E. Akiba, H. Iba

Research output: Contribution to journalArticle

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Abstract

The crystal structure and morphology of the Laves-phase alloys Zr1 - xTix(Mn1 - yVy)2, have been studied by X-ray powder diffraction and transmission electron microscopy (TEM). Hydriding properties were analyzed from pressure-composition (PC) isotherms. Most of the alloys were multiphase, with up to four phases simultaneously present in one alloy. The identified phases were: hexagonal C14 and cubic C15 Laves phases, bcc solid solution, α-ZrO2 and η-carbide-type oxide. A qualitative phase map of the system was constructed. TEM measurements indicated that the Laves phase C14 and the bcc solid solution have preferential atomic composition. To clarify this result, the alloys Zr0.6Ti0.4Mn1.1V0.9 and Ti0.2Mn0.2V0.6 were prepared and analyzed by X-ray powder diffraction. The hydrogen capacity on the system Zr1 - xTixMnV by PC measurements agreed with the value calculated by the capacity and abundance of each end member phase.

Original languageEnglish
Pages (from-to)181-187
Number of pages7
JournalJournal of Alloys and Compounds
Volume228
Issue number2
DOIs
Publication statusPublished - Oct 1 1995

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Phase composition
Crystal structure
X ray powder diffraction
Solid solutions
Chemical analysis
Transmission electron microscopy
Oxides
Isotherms
Carbides
Hydrogen

All Science Journal Classification (ASJC) codes

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

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Crystal structure and phase composition of alloys Zr1 - xTix(Mn1 - yVy)2. / Huot, J.; Akiba, E.; Iba, H.

In: Journal of Alloys and Compounds, Vol. 228, No. 2, 01.10.1995, p. 181-187.

Research output: Contribution to journalArticle

Huot, J. ; Akiba, E. ; Iba, H. / Crystal structure and phase composition of alloys Zr1 - xTix(Mn1 - yVy)2. In: Journal of Alloys and Compounds. 1995 ; Vol. 228, No. 2. pp. 181-187.
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