Abstract
This study investigated the effect of weld geometry on the fatigue strength of non-load- carrying fillet welded cruciform joints. The weld geometry of the cruciform specimens was intentionally varied. Fatigue tests were carried out on various weld geometry configurations. The configurations included weld flank angle, weld toe radius and weld throat thickness. Fatigue tests were conducted using a servo hydraulic controlled 250 kN capacity UTM with a frequency of 5 Hz under constant amplitude loading. From the experimental results, relationship between the weld geometry and the fatigue strength of non-load-carrying fillet welded cruciform joints was analyzed in detail.
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