DOE OSTI · 2584937
Structural metamaterials with innate capacitive and resistive sensing
Abstract
Interpenetrating lattices consist of two or more interwoven but physically separate sub-lattices with unique behaviors derived from their multi-body construction. If the sublattices are constructed or coated with an electrically conducting material, the close proximity and high surface area of the electrically isolated conductors allow the two lattices to interact electromagnetically either across the initial dielectric filled gap or through physical contact. Furthermore, changes in the size of the dielectric gap between the sub-lattices induced by deformation can be measured via capacitance or resistance, allowing a structurally competent lattice to operate as a force or deformation sensor. In addition to resistive and capacitive deformation sensing, this work explores capacitance as a fundamental metamaterial property and the environmental sensing behaviors of interpenetrating lattices.
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Fitzgerald, Kaitlynn Melissa, Smith, Ryan G., Johnson, Kyle L., Niederhaus, John Henry Judah, Dye, Josh Allen, Boyce, Brad Lee, Strong, Kevin T., White, Benjamin C.. 2024-08-18. Structural metamaterials with innate capacitive and resistive sensing. https://doi.org/10.1007/s10853-024-10097-6
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