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Fatigue of Aircraft Structures

The Journal of Institute of Aviation

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Damage Detection and Size Quantification of FML with the Use of NDE

Krzysztof Dragan / Łukasz Kornas / Michał Kosmatka / Andrzej Leski / Michał Sałaciński / Piotr Synaszko / Jarosław Bieniaś
Published Online: 2013-04-30 | DOI: https://doi.org/10.2478/v10164-012-0051-8


Composite materials have been developed in recent years. A new generation of structural composite materials for advanced aircraft is Fibre Metal Laminates (FML). They are hybrid composites consisting of alternating thin layers of metal sheets and fiber-reinforced composite material. FMLs have both low weight and good mechanical properties (high damage tolerance: fatigue and impact characteristics, corrosion and fire resistance).

Quality control of materials and structures in aircraft is an important issue, also for Fibre Metal Laminates. For FML parts, a 100% non-destructive inspection for internal quality during the manufacturing process is required. In the case of FML composites, the most relevant defects that should be detected by non-destructive testing are porosity and delaminations.

In this paper, a number of different non-destructive methods for the inspection of Fibre Metal Laminates were studied. The possibility of quality control of manufactured FML laminates - detection of defects as well as the procedures and processes are presented and discussed

Keywords : fibre metal laminates; composites; non-destructive testing

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About the article

Published Online: 2013-04-30

Published in Print: 2012-12-01

Citation Information: Fatigue of Aircraft Structures, Volume 2012, Issue 4, Pages 5–9, ISSN (Online) 2300-7591, DOI: https://doi.org/10.2478/v10164-012-0051-8.

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