Electrotransport and deformation model of ion exchange membrane based actuators

被引：15

作者：

Enikov, ET ^{[1
]}

Nelson, BJ ^{[1
]}

机构：

[1] Univ Minnesota, Dept Engn Mech, Minneapolis, MN 55455 USA

来源：

SMART STRUCTURES AND MATERIALS 2000: ELECTROACTIVE POLYMER ACTUATORS AND DEVICES (EAPAD) | 2000年 / 3987卷

关键词：

Electroactive Polymers; ionic diffusion; Nernst-Planck Equations; Darcy's law;

D O I：

10.1117/12.387771

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

A continuum mechanical model of Nafion based metal-polymer actuators is presented. Global integral postulates are written for the conservation of mass, momentum: energy, and charge, Gauss' law, and the second law of thermodynamics. The global equations are then localized in the volume and on the material surfaces bounding the polymer. A finite element formulation is used to predict the evolution of the counter ion concentration, "free" water content, electric potential, and stress/strain during actuation. The model includes stress relaxation phenomena due to water how governed by Darcy's law.

引用

页码：129 / 139

页数：11

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