New function of hydrogen in materials

Masuo Okada, Atsunori Kamegawa, Jun Nakahigashi, Akira Yamaguchi, Asaya Fujita, Miho Yamauchi

研究成果: Contribution to journalArticle査読

20 被引用数 (Scopus)

抄録

Useful functions of hydrogen found recently in materials are reviewed with newly obtained results. By hydrogen absorption-desorption heat-treatment, grain size of Cu-Ti alloys are refined to several 10 nm. Simultaneous improvements of electrical conductivity and mechanical strength for Cu-3 mass%Ti alloy were achieved, and the values of 21%IACS and 1100 MPa were obtained, respectively. Hydrogen treatment led to a reduction in the grain size in α- and β-rich α + β type alloys to about 3 and 0.3 μm, respectively. The yield strength of fine-grained α- and β-rich α + β type alloys is greatly improved. Curie temperature of La(FexSi 1-x)13 compounds is controlled by the content of hydrogen. It is also demonstrated that the La(FexSi1-x) 13Hy compounds can be applicable as new-type pressure sensing materials. Polymer-coated CuPd nanoparticles were synthesized by chemical reduction method, and B2 phase in CuPd alloy nanoparticles is effectively formed by the hydrogenation treatment.

本文言語英語
ページ(範囲)253-259
ページ数7
ジャーナルMaterials Science and Engineering B: Solid-State Materials for Advanced Technology
173
1-3
DOI
出版ステータス出版済み - 3 4 2010
外部発表はい

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering

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