... bias and excessive conservatism inherent in existing methods, this study provides a reliable tool for fatigue life prediction of welded structures under CCF loading spectra. Originality/value By effectively mitigating the non-conservative bias and excessive conservatism inherent in existing methods...

..., research by Wang et al. (2023) proposed an advanced method for fatigue life prediction of composite suspensions that considers residual stress and crack growth, which highlights the need for incorporating these factors in traditional fatigue models. Additionally, Liu and Ma (2023) reviewed...

... alloys and ensuring their safety that establishing a fatigue life prediction method induced by pores, resulting in a proposed fatigue life prediction framework for L-DED Ti-6Al-4V based on a physics-informed neural network (PINN) algorithm. Design/methodology/approach In this study, a novel fatigue...

... and ensuring the structural safety of the vehicle, numerous studies by academics have delved into the fatigue life prediction of bogies (Liu et al., 2017a , b ; Xiu et al., 2020 ; Seo et al., 2021). In welding fatigue assessment methodologies, the nominal stress approach is widely...

... © Emerald Publishing Limited 2023 Emerald Publishing Limited Licensed re-use rights only Small sample Fatigue reliability Weibull distribution Fatigue life prediction P–S–N curve Shaft parts are widely used in mechanical engineering, and most of them are subjected to complex...

..., a multiaxial fatigue life prediction model for notched shaft specimens is established based on the damage mechanics theory and closed solution method. Findings The stress gradient factor for notched specimens with higher stress concentration factors (V60-notch, V90-notch) varies to a certain extent when...

.... Originality/value The physical meaning of the new model is clear, convenient for practical engineering applications. Elastic modulus deterioration Metallic materials Loading path Additional hardening effect Fatigue life prediction Use the decay of the modulus to correct the additional...

..., which considers low stress cycle, material difference and other factors. The fatigue life prediction of EMU gear is carried out by corrected S–N curve and transient dynamic analysis. Moreover, the gear modification technology combined with intelligent optimization method is adopted...