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首页> 外文期刊>Journal of Applied Polymer Science >Mechanical responses of Ecoflex silicone rubber: Compressible and incompressible behaviors
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Mechanical responses of Ecoflex silicone rubber: Compressible and incompressible behaviors

机译：Ecoflex硅胶橡胶的机械响应：可压缩和不可压缩的行为

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摘要

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. (c) 2018 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2019, 136, 47025.
机译：硅橡胶广泛用于各种产品，从炊具和电子设备到医疗器械和植入物。最近，他们引发了软机器人研究人员的兴趣，因为它们可以很容易地形成各种形状并以相对快速和简单的方式致动。在本文中，我们在可压缩和不可压缩的约束下检查硅橡胶，Ecoflex的非线性弹性响应。对单轴张力的实验测试表明略有可压缩性，并且压缩性随着拉伸而增加。在可压缩和不可压缩条件下，认为五种不同的组成材料模型被认为是描述Ecoflex的非线性弹性响应。此外，提出了有限元（Fe）分析以分析在复杂的边界条件下由Ecoflex制成的结构或器件的多轴响应。本研究突出了在不同可压缩和不可压缩约束下的不同本构模型的大变形的结构多轴响应的变化。对于软机器人应用的高精度控制，需要了解硅橡胶的多轴响应，尤其是在大变形下。 （c）2018 Wiley期刊，Inc.J.Phill。聚合物。 SCI。 2019,136,47025。

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