Gradient Modulus Strategy for Alleviating Stretchable Electronic Strain Concentration
Boning Sun,
Zemin Li,
Zhuoyu Song
et al.
Abstract:The island‐bridge structural design is a common strategy for imparting stretchability to flexible electronic devices. In this structure, the low modulus regions bear most of the deformation, while the rigid islands, which house the electronic components, undergo minimal deformation. However, due to the modulus differences that can be several times or even several orders of magnitude larger, severe strain concentration occur at the edges of the rigid islands in high modulus regions. This strain concentration ca… Show more
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