Plane-strain deformations of ionic polymer-metal composites

Alain Boldini; Maurizio Porfiri

doi:10.1117/12.2514268

13 March 2019 Plane-strain deformations of ionic polymer-metal composites

Alain Boldini, Maurizio Porfiri

Proceedings Volume 10966, Electroactive Polymer Actuators and Devices (EAPAD) XXI; 109662V (2019) https://doi.org/10.1117/12.2514268
Event: SPIE Smart Structures + Nondestructive Evaluation, 2019, Denver, Colorado, United States

Abstract

The technology of ionic polymer-metal composites (IPMCs) has steadily seen remarkable advancements, but their underlying physics is still elusive. The hypothesis of rigid cross-section is often put forward in IPMC modeling, within structural beam- or plate-like theories. We assess the validity of this hypothesis through the two-dimensional study of multiaxial deformation, based on a thermodynamically-consistent model of IPMC actuation. Our analytical solution is validated through finite element simulations via user-defined elements in Abaqus. Our work demonstrates a rich and complex strain deformation pattern along with a counterintuitive dependence on the Poisson’s ratio.

Citation Download Citation

Alain Boldini and Maurizio Porfiri "Plane-strain deformations of ionic polymer-metal composites", Proc. SPIE 10966, Electroactive Polymer Actuators and Devices (EAPAD) XXI, 109662V (13 March 2019); https://doi.org/10.1117/12.2514268

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