Figure 3. Schematic of electrical impedance tomography and concept of multi-dimensional strain measurements.

(a) Schematic diagram of hardware configurations of electrical impedance tomography⁵³. (b) Schematic of adjacent method injecting electrical current and measuring voltage potentials via multiplexing⁵³. (c) Illustration of the isotropic status and strain induced anisotropic status. (d) Photograph of the test with two fingers and hemispherical shaped MWCNT-silicone elastomer nanocomposites. (e) Results of the test showing two normal resistivities and one shear resistivity.