论文标题
构建的弹性体网络，以实现最佳机电响应
Architected Elastomer Networks for Optimal Electromechanical Response
论文作者
论文摘要
介质弹性体（DES），夫妇变形和静电学具有在软传感器和执行器中的使用，其应用范围从机器人，生物医学，能源，航空航天和汽车技术等。但是，目前可用的DES受到弱机电耦合的限制，需要大型电场才能进行大量驱动。在这项工作中，采用基于统计力学的DE链模型来阐明聚合物网络体系结构在批量材料的性能中的作用。给定一个由交联的链组成的聚合物网络，该论文研究了交联密度，链的定向密度以及其他网络参数在确定感兴趣的材料特性（包括弹性模敏性，电敏感性和电力力学耦合）中的作用。从该分析中，提出了一种实用策略，以增加（各向异性）介电弹性体执行器的变形和可用工作，高达$ 75-100 \％\％$。
Dielectric elastomers (DEs) that couple deformation and electrostatics have the potential for use in soft sensors and actuators with applications ranging from robotic, biomedical, energy, aerospace and automotive technologies. However, currently available DEs are limited by weak electromechanical coupling and require large electric fields for significant actuation. In this work, a statistical mechanics-based model of DE chains is applied to elucidate the role of a polymer network architecture in the performance of the bulk material. Given a polymer network composed of chains that are cross-linked, the paper examines the role of cross-link density, orientational density of chains, and other network parameters in determining the material properties of interest including elastic modulus, electrical susceptibility, and the electromechanical coupling. From this analysis, a practical strategy is presented to increase the deformation and usable work derived from (anisotropic) dielectric elastomer actuators by as much as $75-100\%$.
