What is it about?
An energetic approach is proposed to evaluate accurately the crack propagation angle under a mixed mode loading.
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Why is it important?
It is common to propose that a crack propagates in a direction that is perpendicular with the maximum principal stress. However, there are local parameters that affect the direction of the crack propagation angle. The strain energy criteria takes in account this factor.
Perspectives
In engineering problems, it is important to evaluate the direction of crack propagation angle under mixed mode. The proposed solution can be used in numerical evaluations.
Dr Luis Héctor Hernandez-Gomez
Instituto Politecnico Nacional
Read the Original
This page is a summary of: Evaluation of crack initiation angle under mixed mode loading at diverse strain rates, Theoretical and Applied Fracture Mechanics, September 2004, Elsevier,
DOI: 10.1016/j.tafmec.2004.06.008.
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