| Auteur | Rechercher : Khan, M.1; Rechercher : Yanishevsky, M.1; Rechercher : Fahr, A.1 |
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| Affiliation | - Conseil national de recherches du Canada. Institut de recherche aérospatiale du CNRC
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| Format | Texte, Article |
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| Conférence | The 12th International Conference on Fracture (ICF 12), July 12-17, 2009, Ottawa, Ontario, Canada |
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| Sujet | inspection reliability; probability of detection; NDI/NDE reliability; eddy current; damage tolerance |
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| Résumé | Nondestructive testing (NDT) plays a critical role in Damage Tolerance (DT) life cycle management of aircraft structures. The DT approach relies on periodic inspections of critical components and the ability of NDT to detect cracks before reaching a critical size. The NDT detection sensitivity and reliability are typically characterized by establishing Probability of Detection (POD) as a function of discontinuity size. Under a contract from the Canadian Department of National Defence (DND), a study was carried out to determine the POD of an eddy current procedure for detecting cracks in the bolt holes of typical CC130 Hercules and CP140 Aurora aircraft wing box lap joint structures. The goal of the project was to generate the POD data for aircraft life-management purposes and to establish the validity of the currently assumed detectable discontinuity sizes. This paper describes the design and manufacture of the specimens used as well as the eddy current inspections and analysis carried out to obtain POD. Finally, the ability of the bolt-hole eddy current method in detecting cracks in different lap joint configurations is discussed in terms of the detectable crack size at 90% POD with 95% confidence. In the second part of the paper, which is presented separately, the use of numerical modeling to estimate POD and its performance as compared to the experimental POD results is described. |
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| Date de publication | 2009 |
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| Maison d’édition | Curran Associates |
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| Condition d’accès | - available
- unclassified
- unlimited
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| Dans | |
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| Langue | anglais |
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| Publications évaluées par des pairs | Oui |
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| Numéro du CNRC | SMPL-2008-0106 |
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| Numéro NPARC | 8931311 |
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| Exporter la notice | Exporter en format RIS |
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| Signaler une correction | Signaler une correction (s'ouvre dans un nouvel onglet) |
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| Identificateur de l’enregistrement | 92d7a726-b956-4e94-839c-7ae34bcfd736 |
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| Enregistrement créé | 2009-04-23 |
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| Enregistrement modifié | 2023-04-19 |
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