Welding residual stresses as needed for the prediction of fatigue crack propagation and fatigue strength

Journal
Engineering fracture mechanics  
Volume
198
Start Page
123
End Page
141
Citation
Engineering Fracture Mechanics (198): 123-141 (2018-07)
Publisher DOI
10.1016/j.engfracmech.2017.10.024
Scopus ID
2-s2.0-85034950685
Welding residual stresses have an impact on the performance of welded structures, on their fracture resistance, their resistance against fatigue crack propagation and, most important, their fatigue strength and fatigue lifetime. The present paper provides an overview on the issue mainly from the point of view of the application of fracture mechanics to the determination of the fatigue strength as the topic of this Special issue. Besides own experimental and theoretical data a comprehensive discussion is provided in that context which includes the definition and interaction of short- and long-range (or reaction) residual stresses, the effect of cyclic mechanical loading and its treatment in fracture and fatigue analyses.
More Funding Information
This work was part of the DFG/AiF-Cluster project IBESS. TP G1 and TP G2 have been funded by the DFG (Deutsche Forschungsgemeinschaft). TP A3 and TP A4 have been funded by the AiF within the program for sponsorship by Industrial Joint Research (IGF) of the German Federal Ministry of Economic Affairs and Energy based on an enactment of the German Parliament.