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The Residual Tensile Properties after Impact of CFRP with Different Porosities

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Abstract:

The effects of voids on the residual tensile strength after impact of CFRP laminates were discussed in this paper. Impact tests on the CFRP laminates with two porosity levels were conducted at five impact energy levels of 3J, 6J, 9J, 12J and 15J at the room temperature. The tensile strength and the tensile modulus of non-impacted specimens decreased 0.67% and 0.086% with the porosity increasing from 0.33% to 0.71%. Compared to non-impact specimens, the residual tensile strength after impact (TAI) and tensile modulus after impact significantly decrease with increasing impact energy. The void contents had the negative effects on the residual tensile strength after impact and tensile modulus after impact of the specimens at the same impact energy.

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Periodical:

Advanced Materials Research (Volumes 634-638)

Pages:

2085-2088

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.634-638.2085

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Cite this paper

Online since:

January 2013

Authors:

A Ying Zhang, Dong Xing Zhang

Keywords:

Carbon Fiber (CF), Impact, Laminates, Porosity, Tensile Strength

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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