Nondestructive evaluation of defects in carbon fiber reinforced polymer (CFRP) composites

Andrew C. Y. Ngo; Henry K. H. Goh; Karen K. Lin; W. H. Liew

doi:10.1117/12.2260331

19 April 2017 Nondestructive evaluation of defects in carbon fiber reinforced polymer (CFRP) composites

Andrew C. Y. Ngo, Henry K. H. Goh, Karen K. Lin, W. H. Liew

Proceedings Volume 10169, Nondestructive Characterization and Monitoring of Advanced Materials, Aerospace, and Civil Infrastructure 2017; 101691P (2017) https://doi.org/10.1117/12.2260331
Event: SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring, 2017, Portland, Oregon, United States

Abstract

Carbon fiber reinforced polymer (CFRP) composites are increasingly used in aerospace applications due to its superior mechanical properties and reduced weight. Adhesive bonding is commonly used to join the composite parts since it is capable of joining incompatible or dissimilar components. However, insufficient adhesive or contamination in the adhesive bonds might occur and pose as threats to the integrity of the plane during service. It is thus important to look for suitable nondestructive testing (NDT) techniques to detect and characterize the sub-surface defects within the CFRP composites. Some of the common NDT techniques include ultrasonic techniques and thermography. In this work, we report the use of the abovementioned techniques for improved interpretation of the results.

Citation Download Citation

Andrew C. Y. Ngo, Henry K. H. Goh, Karen K. Lin, and W. H. Liew "Nondestructive evaluation of defects in carbon fiber reinforced polymer (CFRP) composites", Proc. SPIE 10169, Nondestructive Characterization and Monitoring of Advanced Materials, Aerospace, and Civil Infrastructure 2017, 101691P (19 April 2017); https://doi.org/10.1117/12.2260331

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