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Asymmetric carbon fibre reinforced aluminum alloy laminates was manufactured for the purpose with repeat tensile test,
which will be applied in composite pressure vessel. Ultrasonic C scan and A scan approach are used to evaluate the
damage of the asymmetric CFRP-Al (carbon fibre reinforced aluminum alloy) laminates. Nondestructive detection is
carried out for the CFRP-Al laminates before and after tensile test. Comparison results and pulse echo analysis show that
when subjected to repeat tensile test with 70% elastic limit strain load of the CFRP laminates, the interface debonding
between CFRP and Al will not occur but the delamination within CFRP laminates becomes the main damage of the
asymmetric CFRP-Al laminates. This investigation indicated that combined ultrasonic C scan and A scan is available for
damage evaluation of fibre metal laminates.
Junqing Zhao,Fan Yang, andRongguo Wang
"Ultrasonic monitoring of asymmetric carbon fibre reinforced aluminum laminates", Proc. SPIE 8793, Fourth International Conference on Smart Materials and Nanotechnology in Engineering, 87930Q (9 August 2013); https://doi.org/10.1117/12.2032208
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Junqing Zhao, Fan Yang, Rongguo Wang, "Ultrasonic monitoring of asymmetric carbon fibre reinforced aluminum laminates," Proc. SPIE 8793, Fourth International Conference on Smart Materials and Nanotechnology in Engineering, 87930Q (9 August 2013); https://doi.org/10.1117/12.2032208