An Analytical Model for Fatigue Crack Propagation Prediction with Overload Effect

<table>(a) Crack-tip plastic zone due to single tensile overload; (b) the mathematical derivation of <svg height="15.0375" id="M41" style="vertical-align:-5.03984pt" version="1.1" viewbox="0 0 22.525 15.0375" width="22.525" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
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</svg> based on crack closure model.</table>

Mathematical Problems in Engineering

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Figure 4

Figure 4: An Analytical Model for Fatigue Crack Propagation Prediction with Overload Effect 