This paper is focused on the study of residual stress distribution at a dissimilar metal weld (DMW) of nuclear reactor nozzle. The paper extends some of the recent research on this subject by investigating the effect of weld sequence and nozzle length design on the residual stress distributions. It also investigates the effect of a partial excavation repair and a weld overlay on the residual stress distribution. As a result, some of the important residual stress features at DMW are revealed and these features are discussed and summarized in the paper.
- Pressure Vessels and Piping Division
Important Residual Stress Features in Reactor Nozzle Dissimilar Metal Welds
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Zhang, J, Song, S, & Dong, P. "Important Residual Stress Features in Reactor Nozzle Dissimilar Metal Welds." Proceedings of the ASME 2011 Pressure Vessels and Piping Conference. Volume 6: Materials and Fabrication, Parts A and B. Baltimore, Maryland, USA. July 17–21, 2011. pp. 663-671. ASME. https://doi.org/10.1115/PVP2011-57824
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