Crack sensor, preparation method therefor, and application thereof in micro-force measurement

Abstract

A crack sensor, comprising a flexible film, wherein a first side of the flexible film is provided with a plurality of linear protrusions, and an opposite second side of the flexible film is configured with a linear structure; the linear structure comprises, in order from bottom to top, a silver layer, a chromium layer, and a CNT-PDMS layer, wherein the CNT-PDMS layer is composed of polydimethylsiloxane doped with carbon nanotubes; the silver layer is configured with a crack structure, the crack structure being a crack that changes in response to the deformation of the silver layer. The crack sensor effectively resists crack propagation, significantly improving the stability of the crack sensor while also exhibiting high sensitivity. Further provided is a preparation method for the crack sensor.

Dependencies are inferred from the claim text.