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Stress components and local effects in the fatigue strength assessment of fillet weld joints made of ultra-high-strength steels
(Lappeenranta-Lahti University of Technology LUT, 2020-12-04)
Ultra-high-strength steels (UHSSs) enable a significant reduction in material usage compared to mild steels and, thus, provide energy-efficient solutions for structural applications. In welded steel components, an increase ...
Assessment of weld root fatigue strength of load-carrying fillet welded joints using notch stress approaches and finite element analysis
(Lappeenranta-Lahti University of Technology LUT, 2023-11-21)
This thesis uses nominal and notch stress concepts to evaluate the fatigue strength of loadcarrying fillet welded joints (LCFWJs) made of high-strength steel. The study investigates the effect of different reference radii ...