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  4. Modeling the constant amplitude fatigue behavior of adhesively bonded pultruded GFRP joints
 
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research article

Modeling the constant amplitude fatigue behavior of adhesively bonded pultruded GFRP joints

Sarfaraz, Roohollah  
•
Vassilopoulos, Anastasios P.  
•
Keller, Thomas  
2013
Journal of Adhesion Science and Technology

The constant amplitude fatigue behavior of adhesively bonded pultruded glass fiber reinforced polymer double-lap joints were modeled by a number of conceptually different phenomenological SN (cyclic stress vs. number of cycle) formulations. An extended database containing constant amplitude fatigue data under tension (R=0.1), compression (R=10), and reversed loading (R=1) were analyzed in order to investigate whether or not there exists an appropriate fatigue formulation for accurate modeling of the behavior of the examined joints throughout their lifetime, from the very low-cycle fatigue to the high-cycle fatigue regions. Based on an extensive review, appropriate fatigue formulations that take into account the probabilistic nature of lifetime measurements were selected and their fundamental assumptions were examined. The validity of the statistical assumptions of these models was found to be influenced by the applied loading conditions. The modeling results were similar for all selected fatigue formulations with the derived SN curves exhibiting differences mainly in the low- and high-cycle fatigue regimes. The formulations insensitive to the scatter in the experimental data were found to be the most appropriate models.

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Type
research article
DOI
10.1080/01694243.2012.727158
Web of Science ID

WOS:000317754000003

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

2013

Publisher

Brill Academic Publishers

Published in
Journal of Adhesion Science and Technology
Volume

27

Issue

8

Start page

855

End page

878

Subjects

bonded joints

•

fatigue strength

•

pultruded laminates

•

SN curves

Peer reviewed

REVIEWED

Written at

EPFL

EPFL units
CCLAB  
Available on Infoscience
October 1, 2013
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/95126
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