Hadrien O Michaud, Joan Teixidor, Stéphanie P Lacour
Compliant thin film model for stretchable rectangular gold thin films on elastic soft substrateWhen the gauge axis is aligned with the uniaxial strain direction, the change in resistance of the gold track of length L, width W and constant thickness t under tensile strain ε is given by:where ρ is the constant resistivity of the metal layer and υ the Poisson's ratio of PDMS. Hence :When the gauge is oriented longitudinally relative to the uniaxial strain direction, the change in resistance of the gold track of …
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