Shape memory properties of ionic polymer-metal composites

被引：18
|
作者：
Rossiter, Jonathan [1 ]
Takashima, Kazuto [2 ]
Mukai, Toshiharu [3 ]
机构：
[1] Univ Bristol, Dept Engn Math, Bristol BS8 1TR, Avon, England
[2] Kyushu Inst Technol, Grad Sch Life Sci & Syst Engn, Wakamatsu Ku, Kitakyushu, Fukuoka 8080196, Japan
[3] RIKEN, Adv Sci Inst, Moriyama Ku, Nagoya, Aichi 4630003, Japan
来源：
SMART MATERIALS AND STRUCTURES | 2012年 / 21卷 / 11期
基金：
英国工程与自然科学研究理事会;
关键词：
D O I：
10.1088/0964-1726/21/11/112002
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
The shape memory properties of hydrated Nafion ionic polymer-metal composite (IPMC) actuators under combined thermal cycling and electrical shape fixing are presented and experimentally demonstrated. By exploiting these new properties the utility of such ionic actuators can be greatly enhanced to include bistability, multi-modal operation and increased actuation range. Shape memory effects were shown when the IPMC was deformed during programming by either an external force or by voltage-induced actuation. Comparison is made to the shape memory effects in hydrated raw Nafion membrane. It was observed that shape memory effects undergo slow decay, with different programming methods and subsequent electrical excitation exhibiting different decay profiles.
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页数：7
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