Mechanical responses of Ecoflex silicone rubber: Compressible and incompressible behaviors

D. Steck, J. Qu, S. B. Kordmahale, D. Tscharnuter, A. Muliana*, J. Kameoka

*この研究の対応する著者

研究成果: Article査読

81 被引用数 (Scopus)

抄録

Silicon rubbers are widely used in a variety of products ranging from cooking utensils and electronics to medical devices and implants. Recently, they have sparked an interest among soft robotics researchers as they can be easily formed into various shapes and actuated in a relatively fast and easy way. In this article, we examine the nonlinear elastic response of a silicon rubber, Ecoflex, under both compressible and incompressible constraints. An experimental test on a uniaxial tension indicates a slight compressibility, and the compressibility increases with stretching. Five different constitutive material models are considered to describe the nonlinear elastic responses of Ecoflex under both compressible and incompressible conditions. In addition, finite element (FE) analysis is presented to analyze multiaxial response of structures or devices made of Ecoflex under complex boundary conditions. This study highlights the variations in the multiaxial response of structures at large deformations from different constitutive models under different compressible and incompressible constraints. For a high precision control in soft robotics applications, there is a need to understand the multiaxial response of silicon rubbers, especially under large deformations.

本文言語English
論文番号47025
ジャーナルJournal of Applied Polymer Science
136
5
DOI
出版ステータスPublished - 2019 2月 5
外部発表はい

ASJC Scopus subject areas

  • 化学一般
  • 表面、皮膜および薄膜
  • ポリマーおよびプラスチック
  • 材料化学

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