Assessment of planar NDE methods for damage in open hole carbon fibre laminates

IF 4.1 2区材料科学 Q1 MATERIALS SCIENCE, CHARACTERIZATION & TESTING

Ndt & E International Pub Date : 2025-03-20 DOI:10.1016/j.ndteint.2025.103393

Ollie Helps , Paul Fromme , Adam Doherty , Christopher Thornton , Alan L. Clarke , Philip J. Withers , Neha Chandarana

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引用次数: 0

Abstract

This study evaluates the sensitivity of non-destructive imaging methods to characterise in-plane (delaminations) and out-of-plane (matrix cracking/splitting) damage in open-hole carbon fibre reinforced polymer (CFRP) angle-ply specimens as a function of tensile loading to 86% and 97% of the ultimate tensile stress (UTS). Ultrasound, X-ray radiography (with and without contrast agent), and X-ray phase contrast imaging (XPCi) are compared against X-ray computed tomography (XCT). XPCi shows good sensitivity to out-of-plane (transverse) matrix cracks without the need for a contrast agent but has limited ability to assess in-plane delaminations. Conversely, ultrasonic C-scan demonstrated good accuracy for the quantification and depth estimation of in-plane delaminations, being comparable to segmented XCT data. A combination of ultrasound and XPCi could potentially allow planar NDE of delamination and matrix cracking without the access, throughput, and size limitations inherent in computed tomography or the need for invasive and expensive contrast agents required for radiographic imaging.

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来源期刊

Ndt & E International 工程技术-材料科学：表征与测试

CiteScore

7.20

自引率

9.50%

发文量

121

审稿时长

55 days

期刊介绍： NDT&E international publishes peer-reviewed results of original research and development in all categories of the fields of nondestructive testing and evaluation including ultrasonics, electromagnetics, radiography, optical and thermal methods. In addition to traditional NDE topics, the emerging technology area of inspection of civil structures and materials is also emphasized. The journal publishes original papers on research and development of new inspection techniques and methods, as well as on novel and innovative applications of established methods. Papers on NDE sensors and their applications both for inspection and process control, as well as papers describing novel NDE systems for structural health monitoring and their performance in industrial settings are also considered. Other regular features include international news, new equipment and a calendar of forthcoming worldwide meetings. This journal is listed in Current Contents.