MATERIALS TRANSACTIONS
Online ISSN : 1347-5320
Print ISSN : 1345-9678
ISSN-L : 1345-9678

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In Situ X-ray Diffraction Measurements of Aluminum Pulverization prior to the Hydrogenation Reaction
Hiroyuki SaitohYuka OkajimaYasuhiro YonedaAkihiko MachidaYoshinori KatayamaKatsutoshi Aoki
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JOURNAL RESTRICTED ACCESS Advance online publication

Article ID: MA201011

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Abstract
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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© 2011 The Japan Institute of Metals and Materials
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