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The strain sensing property of carbon nanofiber/glass microballoon epoxy nanocomposite

机译:碳纳米纤维/玻璃微气球环氧纳米复合材料的应变传感特性

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This work reports the strain sensing property of a nanocomposite made from a free standing multi-scale structure that consisted of glass microballoons and carbon nanofibers. An epoxy system was infiltrated into the structure in order to fabricate a nanocomposite sensor. The electrical resistance of the sensor when subjected to a tensile strain was investigated. The change in electrical resistance of the sensor versus the applied strain was found to have linear and non-linear regions. In the linear region, the sensor exhibited a similar sensitivity to conventional resistance-type strain gages. A single equation that relates the change in electrical resistance to the applied strain for the linear and non-linear regions was developed.
机译:这项工作报告了由玻璃微气球和碳纳米纤维组成的自由站立的多尺度结构制成的纳米复合材料的应变传感特性。为了制造纳米复合传感器,将环氧体系渗透到该结构中。研究了传感器在受到拉伸应变时的电阻。发现传感器的电阻随施加的应变的变化具有线性和非线性区域。在线性区域,传感器表现出与常规电阻式应变计相似的灵敏度。建立了一个将电阻变化与线性和非线性区域的施加应变相关联的方程。

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