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Fatigue performance of Kevlar/epoxy composites with filled matrix by cork powder |
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| Authors: | P N B Reis J A M Ferreira J D M Costa M J Santos |
| Institution: | 3. Department of Electromechanical Engineering, University of Beira Interior, Covilha, 6201-001, Portugal 1. CEMUC, Department of Mechanical Engineering, University of Coimbra, Coimbra, 3030-790, Portugal 2. CEMUC, Department of Electrical and Computers Engineering, University of Coimbra, Coimbra, 3030-790, Portugal |
| Abstract: | The objective of this study is to characterize the fatigue strength of a Kevlar/epoxy laminate composite as well as the benefits obtained by using an epoxy matrix filled by cork powder. Twelve ply laminates, all in the same direction, of woven bi-directional Kevlar 292, were prepared by hand lay-up, using an SR 1500 epoxy resin. The composite sheets were produced by a vacuum moulding process. The addition of cork powder reduces the static strength, however, in terms of fatigue strength a similar behavior was found for both laminates. |
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