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Fatigue Testing of Full-Scale All-Composite Aircraft Wings
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English
Abstract
A full scale fatigue test program has been established which will test a sailplane wing set to destruction. A flight loads data acquisition program using the instrumented high performance sailplane owned by the Royal Melbourne Institute of Technology has been conducted to determine the loading cases and spectrum. The aircraft structure is of glass fibre reinforced polymeric composite material construction. One wing was new at the commencement of the fatigue test, while the other is a repaired wing salvaged from a damaged sailplane. The test of the repaired wing will enable the fatigue performance of repair techniques to be evaluated. In parallel with the full scale fatigue test, tests on notched and plain glass fibre specimens will be used to establish material scatter factors which can be employed in safe fatigue life estimation. A comprehensive finite element model of the wing is being developed in support of the full scale tests.
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Citation
Mileshkin, N., Scott, M., Wood, L., and CoIIyer, D., "Fatigue Testing of Full-Scale All-Composite Aircraft Wings," SAE Technical Paper 872459, 1987, https://doi.org/10.4271/872459.Also In
References
- Payne A.O. The fatigue sensitivity of fibreglass gliders 20th OSTIV Congress Benalla, Australia January, 1987
- Payne A.O. Sue-Yek C. Coates P. Fibreglass glider fatigue substantiation for the Australian environment RMIT Department of Civil and Aeronautical Engineering Report 1987
- Scott H.L. The development of an HSC/NASTRAN finite element model of a sailplane fibre composite wing structure First Australasian MSC Users Conference Sydney, Australia June 1987
- Sue-Yek C. Strength of fibre reinforced composite construction Master of Engineering thesis RMIT Melbourne, Australia July 1987