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Dependences of (a) the conductivity and (b) the dielectric constant of the MWNT/VMQ composites on the MWNT volume fraction measured at room temperature and , and the inset (a) shows the best fits of the conductivity to Eq. (1). (c) Morphology of fractured surface of the MWNT/VMQ composite at .
(a) Dependence of relative resistance of the MWNT/VMQ composites with different concentrations of MWNT on pressure. (b) Dependence of on the MWNT volume fraction at a pressure of . Schematic diagrams for formation and breakdown of conductive pathways after applying external pressure: (c) carbon black filled composite and (b) MWNT filled composite.
Dependence of relative resistance of the original MWNT/VMQ composite and the treated one under for at on pressure.
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