Experimental analysis & modelling of fatigue behaviour of thick woven laminated composites

Experimental analysis & modelling of fatigue behaviour of thick woven laminated composites

Pongsak NimdumJacques Renard 

Department of Mechanical and Aerospace Engineering DMIE Center, King Mongkut’s University of Technology North Bangkok 1518 Pibulsongkram Rd., Bangsue, Bangkok 10800, Thailand

Centre des Matériaux P.M.Fourt Mines-Paris Tech, CNRS UMR 7633 BP87, F-91003 Evry cedex, France

Corresponding Author Email: 
30 April 2016
| Citation

The objective of this work was to analyse the fatigue behaviour and the damage development in unidirectional and angle-ply 2/2 twill weave T800 carbon/epoxy woven fabric composite laminates. Fatigue tensile-tensile tests were performed and internal damage has been observed by using camera and optical microscope during testing. The experimental results show that the damage evolution can be characterized by two or three stages according to the 0° ply and angle-ply laminates respectively. An original fatigue criterion for onset delamination during fatigue loading of angle-ply laminates has been proposed. Validation of fatigue model was made with tensile fatigue tests performed on angle-ply textile laminates with drilled circular hole. Further numerical predictions are in good agreement with experimental results.


carbon fibre, thick woven composite, fatigue model, damage mechanism, FEM

1. Introduction
2. Experimental procedure
3. Experimental analysis under fatigue loading
4. Experimental procedure
5. Prediction of delamination onset in circular-hole specimens
6. Conclusions

We gratefully acknowledge ADEME (Agence de l’Environnement et de la Maîtrise de l’Energie) for support from ARMINES Centre des Matériaux, in the project LICOS and ALSTOM.


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