bending-mode piezoresistivity

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• Published Subscription Original Research 29 Sep 2026

  An Aggregate-Breakage Percolation Model and ANN-Based Internal Validation for Curvature-Dependent Electrical Conductivity of MWCNT/TPU Nanocomposites

  By Shashikant Prasad, Chetan Jadhav, Digvijay Kanase, Harshal Vidya, Yogesh Ikhe

  Abstract: Strain-dependent percolation models are mostly built and tested for uniaxial tension, yet many flexible sensors and stretchable devices work mainly in bending, where the outer fibre is stretched, the inner fibre is compressed and the strain changes with thickness. This study extends an aggregate-breakage percolation model, originally formulated for uniaxial strain, to through-thickness bending of a multi-walled carbon nanotube/thermoplastic polyurethane (MWCNT/TPU) nanocomposite. The local strain is taken as ε(y) = …

  Published in Journal of Polymer & Composites · Vol. 14, Issue 5, 2026 Read article →