Synthesis of magnesium and titanium hydride via reactive mechanical alloying. Influence of 3d-metal addition on MgH2 synthesize

J. L. Bobet, C. Even, Y. Nakamura, E. Akiba, B. Darriet

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Abstract

TiH2 and MgH2 have been synthesized by Reactive Mechanical Alloying (MA in H2 or RMA) at room temperature starting from Ti and Mg powders. Ultrafine powder of TiH2 was obtained after short milling time (<1 h for Ti powder and <5 h for Ti sponge). A complete conversion of α-Ti to TiH2 was achieved. RMA of Mg powder only lead to a partial conversion of Mg to MgH2. However the ratio MgH2/Mg can be improved by increasing the milling time or by adding a 3d-element. X-ray diffraction was applied successfully to determine the quantity of MgH2 formed.

Original languageEnglish
Pages (from-to)279-284
Number of pages6
JournalJournal of Alloys and Compounds
Volume298
Issue number1-2
DOIs
Publication statusPublished - Feb 28 2000

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All Science Journal Classification (ASJC) codes

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

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