A method is proposed for determining the fatigue limit of metallic material components based on measuring hardness, production residual stresses, surface roughness, and some other parameters. A dependence is given for fatigue limit on surface layer quality parameters. Application of the method is demonstrated on the example of steels 30KhGSNA, U8, titanium alloy VT3-1, and aluminum alloy D16 after different treatment.
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Shchipachev, A.M. Method for Determining Fatigue Limit Taking Into Account the Effect of a Surface Layer. Chem Petrol Eng 53, 340–346 (2017). https://doi.org/10.1007/s10556-017-0345-3
- fatigue limit
- residual stresses
- modified surface layers