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Correlation of change in electrical resistance with strain of carbon fiber-reinforced plastic in tension (1996)

Xu, Mei Xuan ; Liu, Wen Guang ; Gao, Zhen Xiang ; [weitere]

New York, NY [u.a.] : Wiley-Blackwell

Journal of Applied Polymer Science 60 (1996), S. 1595-1599

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Details

ISSN: 0021-8995

Schlagwort(e): Chemistry ; Polymer and Materials Science

Quelle: Wiley InterScience Backfile Collection 1832-2000

Thema: Chemie und Pharmazie , Maschinenbau , Physik

Notizen: 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 dependece, 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. © 1996 John Wiley & Sons, Inc.

Zusätzliches Material: 7 Ill.

Materialart: Digitale Medien

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