A Material Model for Prediction of Fatigue Damage and Degradation of CFRP Materials

Jörg Hohe; Monika Gall; Hannes Gauch; Sascha Fliegener; Zalkha Murni binti Abdul Hamid

doi:10.4028/www.scientific.net/KEM.742.740

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HomeKey Engineering MaterialsKey Engineering Materials Vol. 742A Material Model for Prediction of Fatigue Damage...

A Material Model for Prediction of Fatigue Damage and Degradation of CFRP Materials

Abstract:

Objective of the present study is the definition of a material model accounting for fatigue damage and degradation. The model is formulated as a brittle damage model in the otherwise linear elastic framework. A stress driven damage evolution equation is derived from microplasticity considerations. The model is implemented as a user-defined material model into a commercial finite element program. In a comparison with experimental data in the low cycle fatigue regime, a good agreement with the numerical prediction is obtained.

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Periodical:

Key Engineering Materials (Volume 742)

Pages:

740-744

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.742.740

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Online since:

July 2017

Authors:

Jörg Hohe*, Monika Gall, Hannes Gauch, Sascha Fliegener, Zalkha Murni binti Abdul Hamid

Keywords:

Carbon Fiber Reinforced Plastic (CFRP), Fatigue, Finite Element Implementation, Material Model

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