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research article

Variable amplitude fatigue of adhesively-bonded pultruded GFRP joints

Sarfaraz, Roohollah  
•
Vassilopoulos, Anastasios P.  
•
Keller, Thomas  
2013
International Journal of Fatigue

The fatigue behavior of adhesively-bonded pultruded GFRP joints subjected to variable amplitude loading patterns was experimentally investigated. The failure mode of the examined joints was found to be similar to that under constant amplitude loading. The acceleration or retardation of the crack propagation rate due to the load interaction effects was thoroughly investigated by monitoring crack propagation during the variable amplitude loading. The fatigue life of the joints was predicted using classic fatigue life prediction methodology. Existing models for characterizing the fatigue behavior of the examined joints were employed together with the linear Palmgren-Miner's rule for the prediction of fatigue life. A simple modification was incorporated into the applied methodology to take into account the load interaction effects introduced under the variable amplitude loading. Comparison of the life predictions to experimental data proved that the introduced modification can significantly improve the accuracy of the classic life prediction methodology. (c) 2013 Elsevier Ltd. All rights reserved.

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Type
research article
DOI
10.1016/j.ijfatigue.2013.04.024
Web of Science ID

WOS:000324283200003

Author(s)
Sarfaraz, Roohollah  
•
Vassilopoulos, Anastasios P.  
•
Keller, Thomas  
Date Issued

2013

Publisher

Elsevier Sci Ltd

Published in
International Journal of Fatigue
Volume

55

Start page

22

End page

32

Subjects

Bonded joints

•

Pultruded GFRP

•

Variable amplitude loading

•

Life prediction

Peer reviewed

REVIEWED

Written at

EPFL

EPFL units
CCLAB  
Available on Infoscience
November 4, 2013
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/96616
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