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A fatigue life prediction model for Chopped Strand Mat GRP at elevated temperatures

journal contribution
posted on 17.08.2018, 00:00 by Jung-Hoon Sul, BG Prusty, JW Pan
Experimental and analytical investigations for the low cycle-fatigue life prediction of Glass-Reinforced Polymer (GRP) in Chopped Strand Mat (CSM) form are studied. Based on the theories of modulus degradation and residual strength degradation, a novel model is proposed for the prediction of progressive stiffness loss in terms of tension–tension fatigue load and the number of cycles. The proposed model involves various loadings and environmental variables, which makes the reliable predictions suitable for structural analysts. Experiments were carried out at room and elevated temperatures to evaluate the validity of the proposed prediction model for the characterisation of temperature-dependent behaviour in fatigue. Predictions using the proposed model are in good agreement with the experiments that justify the use of the model to determine the extent of low-cycle fatigue damage accumulation in GRP–CSM at room and elevated temperatures.

History

Volume

33

Issue

8

Start Page

513

End Page

521

Number of Pages

9

eISSN

1460-2695

ISSN

8756-758X

Publisher

Wiley-Blackwell Publishing Ltd.

Peer Reviewed

Yes

Open Access

No

External Author Affiliations

University of New South Wales; Virginia Polytechnic Institute and State University

Era Eligible

Yes

Journal

Fatigue & Fracture of Engineering Materials & Structures

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