Abstract
Experimental evidences proved that the crack initiation is mainly caused by the damage accumulation, which can be described by means of macroscopic or microscopic cyclic plasticity, such as hysteresis loops, ratcheting and cyclic creep. Another important aspect is the one represented by the residual stress field generated during a welding process, since it can deeply influence the mechanical response under cyclic loading. In the present work an FE analyses is conducted to examine the welding residual stress relaxation at the weld bead toe of a non-load carrying fillet joint under cyclic loading condition.
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2015. International Society of Offshore and Polar Engineers
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