微尺度化学
材料科学
弹性体
变形
形状记忆合金
张拉整体
液晶
复合数
复合材料
智能材料
纳米技术
计算机科学
结构工程
光电子学
工程类
数学教育
数学
计算机视觉
作者
Michael J. Ford,Cedric P. Ambulo,Teresa A. Kent,Eric J. Markvicka,Chengfeng Pan,Jonathan A. Malen,Taylor H. Ware
标识
DOI:10.1073/pnas.1911021116
摘要
Natural soft tissue achieves a rich variety of functionality through a hierarchy of molecular, microscale, and mesoscale structures and ordering. Inspired by such architectures, we introduce a soft, multifunctional composite capable of a unique combination of sensing, mechanically robust electronic connectivity, and active shape morphing. The material is composed of a compliant and deformable liquid crystal elastomer (LCE) matrix that can achieve macroscopic shape change through a liquid crystal phase transition. The matrix is dispersed with liquid metal (LM) microparticles that are used to tailor the thermal and electrical conductivity of the LCE without detrimentally altering its mechanical or shape-morphing properties. Demonstrations of this composite for sensing, actuation, circuitry, and soft robot locomotion suggest the potential for versatile, tissue-like multifunctionality.
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