Hydrogen storage in Ti-Zr/Hf-Ni quasicrystal and related crystal powders synthesized by mechanical alloying

Akito Takasaki, K. F. Kelton

研究成果: Chapter

抄録

The dominant cluster in the Ti/Zr-based quasicrystals is a Bergman-type cluster possessing a large number of tetrahedral interstitial sites; this makes these quasicrystals attractive as potential hydrogen storage materials. This paper summarizes our recent research results on the hydrogen absorption and desorption properties of the Ti-Zr-Ni and Ti-Hf-Ni quasicrystals and related amorphous or crystal phases produced by a combination of mechanical alloying and subsequent annealing. The effects on the microstructures and hydrogenation properties of the substitution of Zr for either Ti or Hf in alloys based on the Ti45Zr38Ni17 compositions are investigated. Comparisons between results reported for samples prepared by rapid quenching or annealing are also made.

本文言語English
ホスト出版物のタイトルQuasicrystals
ホスト出版物のサブタイトルTypes, Systems, and Techniques
出版社Nova Science Publishers, Inc.
ページ127-146
ページ数20
ISBN(印刷版)9781617611230
出版ステータスPublished - 2011 12 1

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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