A simple fatigue methodology for filled natural rubbers under positive and negative R ratios

This paper suggests a simple methodology to optimize the uniaxial fatigue predictions for filled natural rubbers. In this study, the stress ratio R effect on rubber fatigue life is investigated numerically. For this purpose, a Finite Element model is developed to determine both amplitude and mean st...

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Bibliographic Details
Published in:Materials research express 2024-05, Vol.11 (5), p.55307
Main Authors: Belkhiria, Salma, Abroug, Anis, Fathallah, Raouf
Format: Article
Language:English
Subjects:
Amplitudes
fatigue
Fatigue life
fatigue life prediction
finite element analysis
Finite element method
Natural rubber
rubber
Stress ratio
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Summary:This paper suggests a simple methodology to optimize the uniaxial fatigue predictions for filled natural rubbers. In this study, the stress ratio R effect on rubber fatigue life is investigated numerically. For this purpose, a Finite Element model is developed to determine both amplitude and mean stress values in the critical zone of the considered specimen. The suggested model incorporates the R ratio effect using an equivalent stress amplitude. It is proven that the new model can efficiently describe the fatigue life for a large R -value interval with higher accuracy.
ISSN:2053-1591
2053-1591
DOI:10.1088/2053-1591/ad45ba