Electrical & Mechanical Characteristics of Shape Memory Composite Material

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  • AOKI Teruko
    Department of Computer & Control Engineering, Oita National College of Technology
  • FUKUNAGA Keigo
    Department of Computer & Control Engineering, Oita National College of Technology
  • MAEDA Haruka
    (株)ザイナス

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  • 形状記憶複合材料の電気的・機械的特性
  • ケイジョウ キオク フクゴウ ザイリョウ ノ デンキテキ キカイテキ トクセイ

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Abstract

We clarified experimentally electrical and mechanical properties of SMA (Shape; Memory Alloy) in diameter 0.2mm and SMP (Shape Memory Polymer) in thickness 1.15mm. In addition, SMC (Shape Memory Composite) composed of these SMA and SMP, was also investigated to clarify the electrical and mechanical properties required to actuators. Main results obtained in this study are as follows; (1) When SMA was heated electrically over 0.4A, recovery time until the original figure was under 5 seconds. (2) When SMC was heated electrically over 0.3A, the surface temperature of SMC reached approximately T_g after 120 seconds. (3) We confirmed that application of 0.4A and 120 seconds to SMC was the most suitable condition as an actuator controlled electrically.

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