Abstract
In this paper the fabrication of built–in rubber graphene and CNT based elastic composite samples under uniaxial compressive displacements is presented along with the investigation of their resistive and impedimetric properties. Thin layer structure of CNT-graphene-CNT was deposited on one side of a rectangular prism elastic rubber substrate through rubbing-in technology. The requirements of the resistance and impedances along the three orthogonal axis at the frequencies of 100Hz, 1kHz, 10kHz, 100 kHz and 200 kHz respectively were investigated from uniaxial compressive displacements that were applied in the longest axis directions of the sample. The anisotropy for the requirements of the resistance and impedances on the compressive displacements along the longest axis of the sample was also observed. The longitudinal resistance and impedance of the samples were decreased under the effect of both longitudinal compressive displacement and for the displacement in the direction perpendicular to the surface of graphene film. The longitudinal resistance and impedances increased with increase of the transverse displacement along the surface of graphene film. Influence of the uniaxial compressive displacements on the interatomic distances was investigated through XRD. Magnitude of resistance and impedances of the samples were decreased with increase of temperature and humidity.
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