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  4. A total fatigue life model for the prediction of the R-ratio effects on fatigue crack growth of adhesively-bonded pultruded GFRP DCB joints
 
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research article

A total fatigue life model for the prediction of the R-ratio effects on fatigue crack growth of adhesively-bonded pultruded GFRP DCB joints

Shahverdi, M.  
•
Vassilopoulos, A. P.  
•
Keller, T.  
2012
Composites Part A

A new phenomenological fatigue crack growth formulation for the modeling and the prediction of the Model fatigue behavior of adhesively-bonded pultruded glass fiber-reinforced polymer double cantilever beam joints under different R-ratios is introduced. The established formulation is based on the total fatigue life concept, considering however the model parameters as functions of the R-ratio by fitting the existing experimental data under two to three different R-ratios. This model can subsequently be used for the derivation of fatigue crack growth curves under any different R-ratio, thus assisting the development of methodologies for the fatigue life prediction of a joint comprising adherends with the same material under realistic loading conditions. An extensive fatigue/fracture database has been derived, containing results of 28 Model fatigue experiments, to assist the model development and to validate its predictions. Comparison of the model predictions and experimental results proved the model's validity. (C) 2012 Elsevier Ltd. All rights reserved.

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Type
research article
DOI
10.1016/j.compositesa.2012.05.004
Web of Science ID

WOS:000309152700017

Author(s)
Shahverdi, M.  
•
Vassilopoulos, A. P.  
•
Keller, T.  
Date Issued

2012

Publisher

Elsevier

Published in
Composites Part A
Volume

43

Issue

10

Start page

1783

End page

1790

Subjects

Fatigue

•

Fracture

•

Analytical modeling

•

Pultrusion

Peer reviewed

REVIEWED

Written at

EPFL

EPFL units
CCLAB  
Available on Infoscience
February 28, 2013
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/90001
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