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首页> 外文期刊>Journal of Applied Polymer Science >CORRELATION OF CHANGE IN ELECTRICAL RESISTANCE WITH STRAIN OF CARBON FIBER-REINFORCED PLASTIC IN TENSION
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CORRELATION OF CHANGE IN ELECTRICAL RESISTANCE WITH STRAIN OF CARBON FIBER-REINFORCED PLASTIC IN TENSION

机译：电阻变化与碳纤维增强塑料应变的相关性

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摘要

A study was carried out on the variation in the electrical resistance of carbon fiber-reinforced unsaturated polyester/polyurethane (UP/PU) IPN composites during static tension, cyclical loading, and unloading in tension. The resistance was found to vary nonlinearly with strain and increase abruptly when the composite approached the fracture. Under a certain constant tension, the change in electrical resistance showed time dependence, and it is suggested that the creep of the IPN network imposed an impact on the variation of resistance. The resistance probing revealed that carbon fiber-reinforced plastic can function as a sensor that is capable of self-diagnosing the fatal fracture in composites. (C) 1996 John Wiley & Sons, Inc. [References: 9]
机译：研究了碳纤维增强的不饱和聚酯/聚氨酯（UP / PU）IPN复合材料在静态拉伸，循环加载和拉伸卸载过程中电阻的变化。发现复合材料接近断裂时，电阻随应变非线性变化，并突然增加。在一定的恒定张力下，电阻的变化表现出时间依赖性，这表明IPN网络的蠕变对电阻的变化产生了影响。电阻探测表明，碳纤维增强塑料可以用作能够自我诊断复合材料致命断裂的传感器。 （C）1996 John Wiley＆Sons，Inc. [参考：9]

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