A Finite Element Analysis Approach to Explain Sensitivity Degradation in Force Sensing Resistors Based on Conductive Polymer Composites

Table 1

Model invariant parameters configured in the COMSOL Multiphysics framework which have been taken from results acquired in [6, 7]. Some of them are default parameters in materials library within COMSOL Multiphysics®.

Parameter	Version in Figure 5(a)	Version in Figure 5(b)	Version in Figure 5(c)	Version in Figure 5(d)
Matrix width	160 nm	165 nm	160 nm	160 nm
Matrix height	95 nm	85 nm	155 nm	110 nm
Electrode width	5 nm
Electrode length	160 nm	165 nm	160 nm	160 nm
Particle radius	20 nm
Burgers model parameters	MPa·s,  MPa·s,  MPa
PDMS Young’s modulus	750 kPa
PDMS Poisson’s ratio	0.32
PDMS electrical conductivity	0.1 S/m
Silver Young’s modulus	83 GPa
Silver Poisson’s ratio	0.37
Silver electrical conductivity	61.6·10^10 S/m