Residual Stress Engineering in Fatigue Resistant Welds

Abstract:

The developments in the field of residual stress determination during the last decades have contributed to a better understanding of the origins and sources of residual stresses in different engineering disciplines. The many investigations concerning the behavior of residual stresses under mechanical loading have also provided a solid foundation to clarify the important aspects of residual stresses and fatigue. The question that arises now is if this available body of knowledge is being used effectively in the field of welding technology to design and construct structures with better fatigue performances. In this paper the necessity of the development of the concept residual stress engineering for welds in which wanted residual stress states are tailored for specific cases by appropriate means will be discussed. The possibilities of the quantitative consideration of the benefits in the fatigue design codes will be presented in a practical example.

• Periodical: Materials Science Forum (Volumes 768-769)
• Pages: 613-619
• DOI: https://doi.org/10.4028/www.scientific.net/MSF.768-769.613
• Online since: September 2013
• Authors: Majid Farajian, Zuheir Barsoum, Arne Kromm
• Keywords: Fatigue, Fatigue Improvement, Residual Stress, Welding

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