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- W3108659743 abstract "Abstract Due to the complex multiaxial loading service conditions for welded structures, it is a fundamental step to accurately compute the fatigue damage under complex stress states. Multiaxial low cycle fatigue behaviors of notch specimens considering geometry variations and strength heterogeneity for 10CrNi3MoV high strength steel and weldments under proportional and non-proportional loading modes were investigated in our study. The experimental results show that the crack initiates from the notch tip. The characteristic states of normal stress, shear stress and energy are analyzed to express the notch gradient behaviors. Furthermore, a new simplified fatigue damage parameter is proposed to predict the multiaxial low cycle fatigue life of notch components. This damage parameter is combined with Smith-Watson-Topper (SWT) damage parameter and notch stress concentration factor in the proximity of the notch tip. Finally, the proposed model gives more satisfactory estimations than other notch energy damage models for low cycle multiaxial fatigue life." @default.
- W3108659743 created "2020-12-07" @default.
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- W3108659743 date "2020-01-01" @default.
- W3108659743 modified "2023-10-14" @default.
- W3108659743 title "Multiaxial low cycle fatigue assessment of notch specimens for 10CrNi3MoV steel and its welds" @default.
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- W3108659743 doi "https://doi.org/10.1016/j.prostr.2020.10.025" @default.
- W3108659743 hasPublicationYear "2020" @default.
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