Discovery of spontaneous deformation of Pd metal during hydrogen absorption/desorption cycles

Toshimitsu YAMAZAKI; Masaharu SATO; Satoshi ITOH

doi:10.2183/pjab.85.183

Proceedings of the Japan Academy, Series B

Online ISSN : 1349-2896
Print ISSN : 0386-2208
ISSN-L : 0386-2208

Original Paper

Discovery of spontaneous deformation of Pd metal during hydrogen absorption/desorption cycles

Toshimitsu YAMAZAKI, Masaharu SATO, Satoshi ITOH

Author information

Keywords: Pd metal, hydrogen in Pd, spontaneous deformation, hydrogen absorption, hydrogen desorption

JOURNAL FREE ACCESS

2009 Volume 85 Issue 5 Pages 183-186

DOI https://doi.org/10.2183/pjab.85.183

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Abstract

A drastic deformation was observed in Pd metal of various shapes after hydrogen absorption and desorption cycles at 150°C at a gas pressure of 1–5 MPa. All of the phenomena observed indicate that some strong internal force is induced spontaneously during hydrogen absorption/desorption cycles to produce a collective deformation so as to minimize the surface.

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