In situ X-ray diffraction measurements of aluminum pulverization prior to the hydrogenation reaction

  • Saitoh Hiroyuki
    Condensed Matter Science Division, Quantum Beam Science Directorate, Japan Atomic Energy Agency
  • Okajima Yuka
    SPring-8 Service Co. Ltd.
  • Yoneda Yasuhiro
    Condensed Matter Science Division, Quantum Beam Science Directorate, Japan Atomic Energy Agency
  • Machida Akihiko
    Condensed Matter Science Division, Quantum Beam Science Directorate, Japan Atomic Energy Agency
  • Katayama Yoshinori
    Condensed Matter Science Division, Quantum Beam Science Directorate, Japan Atomic Energy Agency
  • Aoki Katsutoshi
    Condensed Matter Science Division, Quantum Beam Science Directorate, Japan Atomic Energy Agency

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タイトル別名
  • <I>In Situ</I> X-ray Diffraction Measurements of Aluminum Pulverization prior to the Hydrogenation Reaction

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The hydrogenation process of aluminum, especially pulverization of aluminum prior to the hydrogenation reaction was investigated by in situ synchrotron radiation X-ray diffraction measurements at high pressure and high temperature. Changes in the crystal grain sizes during the hydrogenation process were observed using the angle dispersive method, while weak Bragg peaks from aluminum and AlH3 with small X-ray scattering factors were detected using focused monochromatic X-rays as the incident beam. The in situ measurement system monitored the pulverization of aluminum at several pressure-temperature conditions where AlH3 was thermodynamically stable.

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