Hydrogen in mechanically milled amorphous boron

P. Wang, S. Orimo, K. Tanabe, H. Fujii

Research output: Contribution to journalArticle

25 Citations (Scopus)

Abstract

During mechanical milling under hydrogen atmosphere, hydrogen can be absorbed in amorphous boron, the amount reaching about 2.3 mass% (∼BH0.25) after 80 h milling. The trapped hydrogen can be desorbed only as molecular hydrogen in a temperature range of 330-1000 K. Three types of B-H interaction, i.e. physisorbed H2, B-H terminal and B-H-B bridge bonds, were suggested to account for the desorption behaviors.

Original languageEnglish
Pages (from-to)218-221
Number of pages4
JournalJournal of Alloys and Compounds
Volume350
Issue number1-2
DOIs
Publication statusPublished - 2003 Feb 17
Externally publishedYes

Keywords

  • Gas-solid reaction
  • Hydrogen absorbing materials
  • Mechanical alloying

ASJC Scopus subject areas

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

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