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Acta Aeronautica et Astronautica Sinica ›› 2024, Vol. 45 ›› Issue (5): 529697-529697.doi: 10.7527/S1000-6893.2023.29697

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Review of nondestructive testing methods for fiber⁃reinforced polymer composites

Lingcai HUANG()   

  1. School of Aeronautics,Northwestern Polytechnical University,Xi’an 710072,China
  • Received:2023-09-04 Revised:2023-09-22 Accepted:2023-12-19 Online:2024-03-15 Published:2023-12-26
  • Contact: Lingcai HUANG E-mail:huanglc003@avic.com

Abstract:

In recent years, Fiber-Reinforced Polymer (FRP) composites have seen a significant increase in their application scope due to their exceptional mechanical properties and remarkable weight advantages. However, due to their intricate damage modes, it is crucial to employ advanced damage characterization methods to mitigate potential catastrophic consequences. Currently, a wide range of Non-Destructive Testing and Evaluation (NDT&E) techniques have been extensively employed in the damage detection of FRP composite. These techniques have undergone continuous development and enhancement, enabling reliable structural examination, particularly in the aerospace industry. This article will initially provide a comprehensive overview of the latest advancements in non-destructive testing techniques within the FRP composite material damage diagnosis, providing intensive analysis and evaluation of ten NDT technologies, namely acoustic emission test, ultrasonic test, Infrared thermography test, shearography test, digital image correlation test, eddy current test, terahertz imaging test, microwave test, electrical tomography imaging test and X-ray test, assessing the advantages and limitations of each technique. Subsequently, based on specific criteria, these non-destructive testing techniques will be assessed. However, as single non-destructive testing techniques struggle to achieve unified functions such as defect identification, localization, classification, and evaluation, a combination of non-destructive testing is proposed as a solution to achieve enhanced outcomes in practical engineering applications.

Key words: fibre-reinforced polymer composites, damage detection, non-destructive testing, Analytic Hierarchy Process (AHP), hybrid non-destructive testing techniques

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