Fatigue of composite materials: damage mechanisms and fatigue-life diagrams

Author:

Abstract

The basic fatigue damage mechanisms in composite laminates are reviewed. Based on these mechanisms a pattern in the fatigue-life diagrams is proposed. Several experimental data are shown to agree with this basic pattern. Fatigue ratio is defined in terms of strains, and fatigue limit is shown to exist for unidirectional, cross-plied and angle-plied laminates. The limitations to the fatigue performance of composite laminates are pointed out and suggestions for improving the fatigue resistance are made.

Publisher

The Royal Society

Subject

Pharmacology (medical)

Reference11 articles.

1. Awerbuch J. & Hahn H. T. 1977 In Fatigue of filamentary composite materials (A .S.T.M . S . T . P .no. 636) pp. 248-266. Philadelphia: American Society for Testing and Materials.

2. Broutman L. & Sahu S. 1969 In Proceedings of the 24th Conference of the Society of the Plastics Industry pp. 1-12.

3. Dew-Hughes D. & Way J. L. 1973 Composites pp. 167-173.

4. Dharan C. K. H. 1975 In Fatigue of composite materials S .T .P . no. 569) pp. 171-188. Philadelphia: American Society for Testing and Materials.

5. In Composite Materials: Testing and Design (Fourth Conference) (A .S.T.M . S .T .P . no. 617), pp. 106-119. Philadelphia: American Society for Testing and Materials. Hahn, H. T. & Kim, R. Y. 1976 Hashin, Z. & Rotem, A. 1973 J.Compos;Grimes G. C.;Mater.,1977

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