Highly responsive unimorph actuator of LaNi5 hydrogen storage alloy film deposited on polyimide sheet

Kenishi Numasaki; Takamitsu Honjoh; Haruhisa Uchida; Yoshihito Matsumura; Yoshitake Nishi

doi:10.1117/12.582327

16 February 2004 Highly responsive unimorph actuator of LaNi5 hydrogen storage alloy film deposited on polyimide sheet

Kenishi Numasaki, Takamitsu Honjoh, Haruhisa Uchida, Yoshihito Matsumura, Yoshitake Nishi

Proceedings Volume 5648, Smart Materials III; (2004) https://doi.org/10.1117/12.582327
Event: Smart Materials, Nano-, and Micro-Smart Systems, 2004, Sydney, Australia

Abstract

In this study, the effects of surface treatments were investigated on the mechanical response of the LaNi₅ thin film actuator deposited on polyimide substrates. Since controlling the hydrogen concentration in film by reversible pressure change drives this actuator, this film actuator can be expected as a sensor and/or a controller of hydrogen gas flux in various hydrogen-related devices. This significantly improved mechanical response was attributed to the switching of the reactions in the rate determining steps.

Citation Download Citation

Kenishi Numasaki, Takamitsu Honjoh, Haruhisa Uchida, Yoshihito Matsumura, and Yoshitake Nishi "Highly responsive unimorph actuator of LaNi5 hydrogen storage alloy film deposited on polyimide sheet", Proc. SPIE 5648, Smart Materials III, (16 February 2004); https://doi.org/10.1117/12.582327

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