Fig. 3

(a) Tensile behaviour of components, (b) electromechanical performance of the developed semi-auxetic piezoresistive sensor, (c) relationship between Poisson’s ratio and gauge factor, (d) response time analysis, (e) cyclic test under varying strain with a constant strain rate, (f) cyclic test under varying strain rates with constant strain, (g) stability test over 1000 cycles.