Journal
INTERNATIONAL JOURNAL OF FATIGUE
Volume 25, Issue 1, Pages 59-66Publisher
ELSEVIER SCI LTD
DOI: 10.1016/S0142-1123(02)00049-X
Keywords
Navarro-Rios model; notches; controlled shot peening; residual stresses; surface roughness; crack arrest; fatigue life; aluminium alloys
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The use of two micro-mechanical models for notch sensitivity and fatigue life allowed the development of boundary conditions that would evaluate potential life improvement after controlled shot peening (CSP) in high strength aluminium alloys. The boundary conditions describe the state of equal weight between surface roughening and residual stresses and the implication of material and loading parameters. From the boundary conditions, the performance of CSP on crack arrest and fatigue life can be investigated. (C) 2002 Elsevier Science Ltd. All rights reserved.
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