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Effect of misalignments and welding penetration on the fatigue strength of a common welded detail: SED method predictions and comparisons with codes
International Journal of Fatigue ( IF 5.7 ) Pub Date : 2022-07-13 , DOI: 10.1016/j.ijfatigue.2022.107135
Pietro Foti , Davide Crisafulli , Dario Santonocito , Giacomo Risitano , Filippo Berto

This work exploits the SED method to investigate the effects of the main geometrical parameters and geometrical imperfections - uncomplete penetration, axial and angular misalignment - on the fatigue strength of cruciform welded joints. The predictions by the SED method have been compared with those of the most known codes. The volume-free procedure for an easy application of the SED method has been used. The SED method has been proved to be consistent with the codes; however, the codes estimations result to be always more conservative than the SED method predictions. The SED method has been proved to be a valid tool to investigate different loading and boundary conditions and to provide useful information to evaluate the most critical point in the component.



中文翻译:

未对准和焊接熔深对常见焊接细节疲劳强度的影响:SED 方法预测和与规范的比较

这项工作利用 SED 方法来研究主要几何参数和几何缺陷(未完全熔透、轴向和角度未对准)对十字形焊接接头疲劳强度的影响。SED 方法的预测已与大多数已知代码的预测进行了比较。已使用无体积程序,以便轻松应用 SED 方法。SED方法已被证明与规范一致;然而,代码估计结果总是比 SED 方法预测更保守。SED 方法已被证明是研究不同载荷和边界条件并提供有用信息来评估组件中最关键点的有效工具。

更新日期:2022-07-17
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