Thermal stability of hydrides of magnesium-transition metal system prepared under a high pressure

H. Kakuta, A. Kamegawa, H. Takamura, M. Okada

研究成果: Conference article査読

31 被引用数 (Scopus)

抄録

Phases present and thermal stability of synthesized hydrides of Mg-TM-H systems (TM = Co and Ni) by preparing under a high pressure of 5 GPa using an anvil-type apparatus were studied. The MgNi2 phase with a novel crystal structure was formed at 1073 K under 5 GPa In addition, for MgH2- Ni system, two novel phases with a new composition of Mg-64 at% Ni, and Mg-55 at% Ni were formed. Using an additional hydrogen source to supply enough hydrogen, the volume fraction of the new phase with a composition of Mg-55 at%Ni increased, and the other phase vanished. This Mg-Ni-H compound was thermally stable up to 498K under an Ar atmosphere of 0.5 MPa.

本文言語English
ページ(範囲)329-332
ページ数4
ジャーナルMaterials Science Forum
350
DOI
出版ステータスPublished - 2000
イベントProceedings of the 1st Nagaoka International Workshop on Magnesium Platform Science and Technology 2000 - Nagaoka, Jpn
継続期間: 2000 7月 272000 7月 29

ASJC Scopus subject areas

  • 材料科学(全般)
  • 凝縮系物理学
  • 材料力学
  • 機械工学

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