Mechanical modeling of interpenetrating polymer network reinforced acrylic elastomer

Arne Schmidt; Andrea Bergamini; Gabor Kovacs; Edoardo Mazza

doi:10.1117/12.847505

9 April 2010 Mechanical modeling of interpenetrating polymer network reinforced acrylic elastomer

Arne Schmidt, Andrea Bergamini, Gabor Kovacs, Edoardo Mazza

Proceedings Volume 7642, Electroactive Polymer Actuators and Devices (EAPAD) 2010; 76421O (2010) https://doi.org/10.1117/12.847505
Event: SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring, 2010, San Diego, California, United States

Abstract

Interpenetrating polymer network reinforced acrylic elastomers (IPN) offer outstanding performance in free-standing contractile dielectric elastomer actuators. This work presents the verification of a recently proposed material model for a VHB 4910 based IPN [1]. The 3D large strain material model was determined from extensive data of multiaxial mechanical experiments and allows to account for the variations in material composition of IPN-membranes. We employed inflation tests to membranes of different material composition to study the materials response in a stress state different from the one that was used to extract the material parameters. By applying the material model to finite element models we successfully validated the material model in a range of material compositions typically used for dielectric elastomer actuator applications. In combination with a characterization of electro-mechanical coupling, this 3D large strain model can be used to model IPN-based dielectric elastomer actuators.

Citation Download Citation

Arne Schmidt, Andrea Bergamini, Gabor Kovacs, and Edoardo Mazza "Mechanical modeling of interpenetrating polymer network reinforced acrylic elastomer", Proc. SPIE 7642, Electroactive Polymer Actuators and Devices (EAPAD) 2010, 76421O (9 April 2010); https://doi.org/10.1117/12.847505

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