Ultrasonic monitoring of asymmetric carbon fibre reinforced aluminum laminates

Junqing Zhao; Fan Yang; Rongguo Wang

doi:10.1117/12.2032208

9 August 2013 Ultrasonic monitoring of asymmetric carbon fibre reinforced aluminum laminates

Junqing Zhao, Fan Yang, Rongguo Wang

Proceedings Volume 8793, Fourth International Conference on Smart Materials and Nanotechnology in Engineering; 87930Q (2013) https://doi.org/10.1117/12.2032208
Event: Fourth International Conference on Smart Materials and Nanotechnology in Engineering, 2013, Gold Coast, Australia

Abstract

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.

Citation Download Citation

Junqing Zhao, Fan Yang, and 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

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