切り紙型伸縮配線の機械特性の評価

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  • Evaluation of mechanical characteristics of Kirigami stretchable wiring

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<p>We modeled a Kirigami structure and analyzed the parameters affecting the overall mechanical characteristics. Kirigami structure has non uniform deformation regions at both ends and uniform deformation region at the center when stretched. Therefore, we divided Kirigami structure into three regions and considered as a model in which a series connection spring with two different spring constants. Considering the balancing of the spring forces for the model, we derived a model formula on the pattern cycle number and overall mechanical characteristics. A tensile test was conducted to investigate whether the derived model formula can be applied to the Kirigami structure. Comparing measured values and model formulas, the result indicates that series connection spring model can be applied to the Kirigami structure. Overall mechanical characteristics of Kirigami structure was converge to uniform deformation region mechanical characteristics by increasing pattern cycle number.</p>

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