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${it In situ}$ X-ray diffraction measurements of aluminum pulverization prior to the hydrogenation reaction

アルミニウム水素化反応前のアルミニウム微細化のX線回折その場観察

齋藤 寛之; 岡島 由佳*; 米田 安宏; 町田 晃彦; 片山 芳則; 青木 勝敏

Saito, Hiroyuki; Okajima, Yuka*; Yoneda, Yasuhiro; Machida, Akihiko; Katayama, Yoshinori; Aoki, Katsutoshi

The hydrogenation process of aluminum, especially pulverization of aluminum prior to the hydrogenation reaction was investigated by ${it in situ}$ 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 AlH$$_{3}$$ with small X-ray scattering factors were detected using focused monochromatic X-rays as the incident beam. The ${it in situ}$ measurement system monitored the pulverization of aluminum at several pressure-temperature conditions where AlH$$_{3}$$ was thermodynamically stable.

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パーセンタイル:71.24

分野:Materials Science, Multidisciplinary

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