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High cycle fatigue assessment of steel load-carrying cruciform welded joints: an overview of recent results
In this paper, high cycle fatigue failure behavior of Load-carrying Cruciform Welded Joints (LCWJ) is assessed using Strain Energy Density (SED) approach. Different analytical solutions are proposed and applied to illustrate the effects of LCWJ geometry under cycle tension and bending according to Finite Element (FE) calculation. The Notch Stress Intensity Factors (NSIF) according to the proposed analytical solutions are validated by comparing finite element data from several simulations in terms of LCWJ models, resulting in a good agreement. A bulk of experimental data taken from tests and the literature is assessed by the proposed solutions as the forms of SED, NSIF and peak stress. The results show that the SED-based analytical solutions for steel LCWJ are effective for high cycle fatigue failure analyses.
High cycle fatigue assessment of steel load-carrying cruciform welded joints: an overview of recent results
In this paper, high cycle fatigue failure behavior of Load-carrying Cruciform Welded Joints (LCWJ) is assessed using Strain Energy Density (SED) approach. Different analytical solutions are proposed and applied to illustrate the effects of LCWJ geometry under cycle tension and bending according to Finite Element (FE) calculation. The Notch Stress Intensity Factors (NSIF) according to the proposed analytical solutions are validated by comparing finite element data from several simulations in terms of LCWJ models, resulting in a good agreement. A bulk of experimental data taken from tests and the literature is assessed by the proposed solutions as the forms of SED, NSIF and peak stress. The results show that the SED-based analytical solutions for steel LCWJ are effective for high cycle fatigue failure analyses.
High cycle fatigue assessment of steel load-carrying cruciform welded joints: an overview of recent results
wei, song (Autor:in) / Liu, Xuesong (Autor:in)
23.09.2018
Frattura ed Integrità Strutturale; Vol. 12 No. 46 (2018): October 2018; 94-101 ; Frattura ed Integrità Strutturale; V. 12 N. 46 (2018): October 2018; 94-101 ; 1971-8993
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
DDC:
690
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