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Open AccessArticle

Effect of Hot-Wet Storage Aging on Mechanical Response of a Woven Thermoplastic Composite

1
Hellenic Aerospace Industry S.A., GR 32009 Schimatari, Greece
2
Element Materials Technology Seville, C/Wilbur y Orville Wright 1, Aerópolis, 41300 San José de la Rinconada, Seville, Spain
3
FIDAMC, Foundation for the Research, Development and Application of Composite Materials, Avda Rita Levi Montalcini 29, Tecnogetafe, 28906 Getafe, Madrid, Spain
*
Author to whom correspondence should be addressed.
These authors contributed equally to this work.
Aerospace 2020, 7(2), 18; https://doi.org/10.3390/aerospace7020018
Received: 27 November 2019 / Revised: 18 February 2020 / Accepted: 20 February 2020 / Published: 24 February 2020
(This article belongs to the Special Issue 9th EASN International Conference on Innovation in Aviation & Space)
The effect of hot-wet storage aging on the mechanical response of a carbon fiber polyether ether ketone (PEEK)-matrix woven composite has been studied. A wide range of static loads and selected cyclic load tests on the interlaminar fatigue strength were performed. Static tests were conducted in batch mode, including on- and off-axis tension, compression, flexure, interlaminar shear strength (ILSS) and fracture tests in Modes I, II and I/II. Respective mechanical properties have been determined, indicating a degrading effect of aging on strength-related properties. The measured response in general, as well as the variance quantified by batch-mode test execution, indicated the appropriateness of the applied standards on the material under consideration, especially in the case of fracture tests. The material properties presented in the current work may provide a useful basis towards preliminary design with PEEK-based woven thermoplastic composites during service in aerospace applications. View Full-Text
Keywords: carbon fibre thermoplastic composite; PEEK matrix; woven; aging; mechanical testing; static and fatigue carbon fibre thermoplastic composite; PEEK matrix; woven; aging; mechanical testing; static and fatigue
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MDPI and ACS Style

Plagianakos, T.S.; Muñoz, K.; Saenz-Castillo, D.; Mendias, M.M.; Jiménez, M.; Prentzias, V. Effect of Hot-Wet Storage Aging on Mechanical Response of a Woven Thermoplastic Composite. Aerospace 2020, 7, 18.

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