Morphable 3D architectures enabled by shear-guided approach

doi:10.1016/j.mattod.2025.03.004

2025-07-01

PRE

Yonggang Huang (Yonggang Huang)

Renheng Bo

张

张一慧 (Yihui Zhang) *

DOI：10.1016/j.mattod.2025.03.004

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通过机械引导方法组装的3D结构和电子器件已在众多新兴领域展现出重要应用，包括医疗保健、生物医学工程、可穿戴设备、机器人技术等。为通过机械路径拓宽可实现的3D功能结构，本研究展示了一种剪切引导组装方法。一系列以带状、膜状和混合构型存在的结构被展示，其中包含此前难以实现的几何特征，例如可逆局部翻转和中心对称特征。通过有限元分析（FEA）表明，此类剪切诱导结构能够在不同模式下实现可逆的后组装形状转换。基于上述发现，引入了一种简便的设计方案，包含两个带状3D单元（双3D单元设计），并针对剪切传感进行了精细校准。值得注意的是，该设计能够将难以测量的剪切变形转化为易于获取的垂直位移，同时对有限的拉伸载荷不敏感。采用此类双3D单元设计制备了一种多功能阵列电子界面，显示出在人与机器交互方面的应用潜力。

Keyword:

3D architectures

Shear-guided assembly

Shear sensor

Human-machine interface

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Materials Today Advances

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Xi'an Jiaotong University

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huazhong univ sci technol

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