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Probabilistic Damage Tolerance Analysis Considering Shot Peening Effect
2009
50th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference
unpublished
Peening process is a widely used method to improve fatigue strength of metals. It has been shown that the increased fatigue performance is mainly due to compressive residual stress near specimen surface during peening processes. However, the damage tolerance analysis directly using the residual stress profile after manufacturing will have a very nonconservative prediction results. A detailed mechanism model is proposed to capture the physics of fatigue damage accumulation of shot peened
doi:10.2514/6.2009-2303
fatcat:ejzbxwmekvbklm5kpo2mer666a