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Proceedings Paper

Response improvement of a mover device using hydrogen storage alloy powder by addition of catalyst
Author(s): Akira Sato; Kaoru Akazawa; Takashi Ogasawara; Haru-Hisa Uchida; Yoshitake Nishi
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Paper Abstract

Recently we proposed a mechanical mover device in a unimorph structure with powder hydrogen storage alloy dispersed. A silicone rubber sheet with the alloy was piled up on another pure silicone rubber sheet, then mechanical movement was generated by hydrogen gas absorption and desorption. Because the response of the movement was slow, therefore, in this research we tested the additive effect of catalyst of Pd-Al2O3 powder into the hydrogen storage alloy powder before mixing with rubber. The mover device with the catalyst indicated drastically modified responses, such as higher initial moving rate and also larger displacement. The results suggested the possibility of the device for medical purpose such as catheter because of a powerful but tender characteristic of the device.

Paper Details

Date Published: 8 January 2007
PDF: 6 pages
Proc. SPIE 6414, Smart Structures, Devices, and Systems III, 64141A (8 January 2007); doi: 10.1117/12.695771
Show Author Affiliations
Akira Sato, Tokai Univ. (Japan)
Kaoru Akazawa, Tokai Univ. (Japan)
Takashi Ogasawara, Tokai Univ. (Japan)
Haru-Hisa Uchida, Tokai Univ. (Japan)
Yoshitake Nishi, Tokai Univ. (Japan)


Published in SPIE Proceedings Vol. 6414:
Smart Structures, Devices, and Systems III
Said F. Al-Sarawi, Editor(s)

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