Crack closure mechanisms in residual stress fields generated by laser shock peening: A combined experimental-numerical approach

•Identification of crack closure as important mechanism to retard FCP.•Interpretation of the FCP rate considering stress intensity factors and crack closure.•Numerical and experimental results of crack closure areas agree very well.•Crack closure does not necessarily cause a zero value stress intens...

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Veröffentlicht in:	Engineering fracture mechanics 2019-11, Vol.221, p.106630, Article 106630
Hauptverfasser:	Keller, S., Horstmann, M., Kashaev, N., Klusemann, B.
Format:	Artikel
Sprache:	eng
Schlagworte:	Compressive properties Computer simulation Contact stresses Crack closure Crack opening displacement Crack propagation Fatigue crack growth Fatigue cracks Fatigue failure Laser shock peening Laser shock processing Peening Residual stress Stress concentration Stress distribution Stress intensity factor Stress intensity factors
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