Title: ENPOWER - Repair Welds and Residual Stresses in Clad Plates
Authors: BROWN BruceLAWRJANIEC DidierOHMS CARSTENTRUMAN ChrisWIMPORY Robert
Other Contributors: HEIN Hieronymus
Citation: Proceedings of 2005 ASME Pressure Vessels and Piping Conference vol. ISBN 0-7918-3763-7 p. PVP2005-71772
Publisher: ASME
Publication Year: 2005
JRC N°: JRC32413
URI: http://publications.jrc.ec.europa.eu/repository/handle/JRC32413
Type: Contributions to Conferences
Abstract: One of the tasks of the European Commission sponsored project ENPOWER was to manufacture repair welds on clad plate specimens simulating the inner wall of a Reactor Pressure Vessel (RPV) and to establish their structural integrity. The paper summarizes the main results from the repair welds carried out on clad plates with an anticipated sub-clad defect including the results from various residual stress measurements and from numerical welding simulations as well as from some fracture mechanical calculations. The results are discussed with respect to support the repair weld optimization in particular by minimizing the residual stresses. Moreover, the application ranges and capabilities of numerical simulations for this kind of weld processes are discussed.
JRC Institute:Institute for Energy and Transport

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