by Bian, Lichun; Taheri, Farid

In the present investigation, the G
_max criterion, which is based on the elastic strain energy principle, is extended to study the fatigue crack growth characteristics of mixed mode cracks. A modification has been made to this criterion to implement the plastic strain energy and, hence, a new elasto-plastic energy-based model is presented. Subsequently, the proposed model is employed to predict fatigue crack growth in rectangular steel plates under complex stress states. The results obtained using the elasto-plastic energy model proposed are compared with those obtained using the commonly used Paris law and our experimental data.

DOI: 10.1007/s10704-008-9301-8
Online Date: 12/25/2008
Print publication date: 10/1/2008
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