Reverse bending fatigue of shot peened 7075-T651 aluminium alloy: The role of residual stress relaxation
M Benedetti, V Fontanari, P Scardi, CLA Ricardo… - International Journal of …, 2009 - Elsevier
The effect of different shot peening treatments on the reverse bending fatigue behaviour of
Al-7075-T651 was studied. The fatigue improvements with respect to the unpeened
condition and the influence of the peening intensity on fatigue were discussed accounting
for the effects of surface modifications (roughness and strain hardening) and of residual
stresses. In particular the extent of the residual stress redistribution during loading was
investigated by means of X-ray diffraction (XRD) measurements. No significant residual …
Al-7075-T651 was studied. The fatigue improvements with respect to the unpeened
condition and the influence of the peening intensity on fatigue were discussed accounting
for the effects of surface modifications (roughness and strain hardening) and of residual
stresses. In particular the extent of the residual stress redistribution during loading was
investigated by means of X-ray diffraction (XRD) measurements. No significant residual …
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