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Deformation Behavior of Capsule-Type Micro Actuator Using Palladium

[+] Author Affiliations
Kenta Goto, Takehiro Higuchi, Ohmi Fuchiwaki, Wataru Nakao

Yokohama National University, Yokohama, Japan

Paper No. SMASIS2015-9034, pp. V001T01A017; 4 pages
  • ASME 2015 Conference on Smart Materials, Adaptive Structures and Intelligent Systems
  • Volume 1: Development and Characterization of Multifunctional Materials; Mechanics and Behavior of Active Materials; Modeling, Simulation and Control of Adaptive Systems
  • Colorado Springs, Colorado, USA, September 21–23, 2015
  • Conference Sponsors: Aerospace Division
  • ISBN: 978-0-7918-5729-8
  • Copyright © 2015 by ASME


Deformation behavior of a capsule-type micro actuator using palladium as a hydrogen storage alloy was investigated. The capsule-type micro actuator using hydrogen storage alloys (HSA-CMA) drives by the volume change of the hydrogen storage alloy induced by the absorption and discharge of hydrogen gas. It was developed as a compact, lightweight and energy-saving actuator mounted on the super multi-link manipulator to capture space debris. In the present work, a palladium foil was used as the hydrogen storage alloy. It was confirmed that the actuator of 10 mm in diameter fabricated with palladium has deformed by the introduction and evacuation of hydrogen gas. The height change and deformation rate have increased with the cycle between hydrogen introduction and evacuation.

Copyright © 2015 by ASME



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