Dear Colleagues,

In the context of the industrial design process, reliable assessment of fatigue behavior is still a major concern for engineers, since the fatigue phenomenon tends to cause sudden and unexpected failures in engineering structures. These concerns especially apply to welded joints, where the presence of residual stresses and local severe stress/strain concentrations significantly affects material behavior under cyclic loading. In spite of these challenges, most structural applications require the introduction of welded joints. Furthermore, same as other manufacturing technologies, welding processes are constantly advancing to meet industrial needs and expectations. In this context, fatigue design concepts are widely investigated, allowing them to continue to evolve and improve alongside welding processes and engineering structures.

The aim of this Special Issue is to provide an update to the state of the art on approaches for the fatigue assessment of metal welded joints. The topics which deserve particular interest for this Special Issue are applications to hybrid joints or joints between dissimilar materials; applications to full-scale structures and industrial details; criteria for fatigue assessment of welded joints under complex loading conditions, such as multiaxial constant, as well as variable/random fatigue loadings; the effect of residual stresses; and post-weld treatments to enhance the fatigue strength of joints.

Prof. Dr. Roberto Tovo
Prof. Dr. Alberto Campagnolo
Guest Editors

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• multiaxial loading
• variable amplitude loading
• hybrid joint
• dissimilar materials
• full-scale structure
• industrial detail
• FE analysis
• residual stresses
• post-weld treatment