The effect of machined topography and integrity on fatigue life

By D. Novovic, R. Dewes, D. Aspinwall, W. Voice, P. Bowen. 2004

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State-of-the-art of surface integrity in machining of metal matrix composites (2019, background): “39 As for other metallic materials, the residual stresses have a significant influence on the fatigue performance of the machined MMCs components where the compressive stress would favour the extension of fatigue life while the tensile stress have the opposite effect [107,108].”
Surface integrity in metal machining - Part II: Functional performance (2021, background): “[18], even in absence of other defects, influence of surface topography on fatigue is in general non-negligible from Ra>0.”
Cryogenic Machining-Induced Surface Integrity: A Review and Comparison with Dry, MQL, and Flood-Cooled Machining (2014, background): “It is well acknowledged that the functional performance of a manufactured component is heavily influenced by the quality and reliability of the surfaces produced both in terms of topography (DeVries et al., 1976; Novovic et al., 2004), as well as metallurgical and mechanical state of the subsurface ”
A review of surface integrity in machining and its impact on functional performance and life of machined products (2008, background): “…functional performance of a manufactured component is heavily influenced by the quality and reliability of the surface produced both in terms of topography (DeVries et al., 1976; Novovic et al., 2004) as well as metallurgical and mechanical state of the subsurface layers (Field and Kahles, 1964).”