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アルミニウムとアルミニウム基合金の高温高圧下での水素化反応

Hydrogenation reaction of aluminum and aluminum-based alloys at high pressures and high temperatures

齋藤 寛之; 町田 晃彦; 片山 芳則; 青木 勝敏

Saito, Hiroyuki; Machida, Akihiko; Katayama, Yoshinori; Aoki, Katsutoshi

キュービック型マルチアンビルプレスによりアルミニウムの水素化反応を実現した。放射光X線回折によるその場観察により反応過程を調べた。得られた反応温度-圧力図は熱力学的な計算とよく一致した。得られた知識をもとにアルミニウム基合金の水素化反応の探索をすすめている。

Hydrogenation reaction of aluminum was achieved using cubic-type multi-anvils apparatus. The reaction was investigated by ${it in-situ}$ synchrotron radiation X-ray diffraction measurement. The reaction pressure-temperature diagram was obtained by the measurements and was confirmed to agree with thermodynamical calculation. Aluminum-based alloy hydrides have been explored using the technique because it allows hydrogenation reaction of the alloys with chemically stable surface oxide layer.

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