Computational methods in eddy current crack detection at fastener sites in multi-layer structures

Jeremy S. Knopp; John C. Aldrin; Kumar V. Jata

doi:10.1080/10589750802195519

journal article·2009-03

Computational methods in eddy current crack detection at fastener sites in multi-layer structures

Jeremy S. Knopp, John C. Aldrin, Kumar V. Jata

Nondestructive Testing and Evaluation· Volume 24· Issue 1-2

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Source abstract

Abstract

Reliable detection of both surface and subsurface cracks around fastener sites continues to be a need for maintaining ageing aircraft structures. In this work, a comprehensive overview of both experimental and modelling work addressing eddy current crack detection around fastener holes in multi-layer structures is presented. This overview consists of a strategy for the application of computational methods along with case studies that demonstrate the role of modelling for this particular class of problems. The state-of-the-art on eddy current modelling applicable to low-frequency eddy current problems is reviewed. The role of modelling in feature extraction algorithm development, crack characterisation, and probability of detection evaluation is highlighted.

Source: openalex_inverted_index · Quality: baseline

Research context

OpenAlex topics: Non-Destructive Testing Techniques · Geophysical Methods and Applications · Welding Techniques and Residual Stresses

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

a a Metals, Ceramics, and NDE Division, Air Force Research Laboratory (AFRL/RXLP) , Wright-Patterson AFB , Dayton, OH , 45433 , USA

b Computational Tools , Gurnee, IL , 60031 , USA

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