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Proceedings Paper

2004 developments of actuator materials
Author(s): Yoshitake Nishi
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Paper Abstract

This paper describes recent developments of moving materials operated by changes in temperature, hydrogen gas pressure and magnetic field. In order to obtain moving functions with high irradiation resistance for metallic glass, high transparency for high heat resistant glassy ceramics and extremely large motion for lightweight polymer, unimorph structural device driven by glass transition have been developed. To get high responsiveness operated by magnetic field, new movable devices of unimorph magnetostrictive alloy films were developed. High susceptibility with high resistance to noise was also found for the giant magnetostrictive Fe-Pd stainless alloy. To obtain high power, a movable unimorph devise of hydrogen storage LaNi5 film deposited on substrate was developed. In order to get large motion, unimorph structural composite sheets constructed by the silicon polymer with and without hydrogen storage LaNi5 fine powder dispersion.

Paper Details

Date Published: 16 February 2004
PDF: 6 pages
Proc. SPIE 5648, Smart Materials III, (16 February 2004); doi: 10.1117/12.582262
Show Author Affiliations
Yoshitake Nishi, Tokai Univ. (Japan)

Published in SPIE Proceedings Vol. 5648:
Smart Materials III
Alan R. Wilson, Editor(s)

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