444 CNF/ポリマー複合材料の繰り返し負荷に伴う電気抵抗変化(複合機能化材料・デバイスとその加工プロセス)

概要

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Carbon nanofiller (CNF) has good electrical conductivity. Addition of a few percentages of carbon nanofillers to polymer yields electrical conductivity but hardly affects the mechanical properties of polymer. This conductive polymer may be useful for sensing applications such as strain sensors and chem-resist sensors. Many researchers have reported on the electrical conductivity, but the electrical resistance change under strain of the carbon nanofiller composites is not fully investigated. In this study, the electrical resistance change under strain of CNF/flexible-epoxy composites was investigated experimentally. More than 100% of quasi-static strain can be measured by using CNF/flexible-epoxy composite. Unloading behavior is also measured and discussed.
2009-11-06