... will be key for enabling future structural integrity assessment methodologies. residual stress uncertainty neutron diffraction finite element analysis round robin structural integrity Proceedings of the ASME 2022 Pressure Vessels & Piping Conference PVP2022 July 17-22, 2022, Las Vegas, Nevada...

... as the crack extends. These are compared with the SIF’s using a membrane stress of yield magnitude which ignores redistribution of residual stress with crack extension. crack residual stress neutron diffraction stress intensity factor 1 Copyright © 2010 by ASME Proceedings of the ASME 2010...

.... iii) Post weld heat treatment is very effective at reducing residual stresses. Neutron diffraction Synchrotron diffraction Residual stress Welding Beds-on-plate Post-weld heat treatment MA E W n ia e iii) resi Key Res trea 1 Res prim occ tem RS of e on per des Proceedings of PVP2007 2007...

... into an AISI Type 316H stainless steel beam (250mm × 50mm × 10mm) by welding along the 10mm edge have been measured using high energy synchrotron and neutron diffraction techniques. Mean values of measured residual stresses are compared with predicted stresses obtained from a two-dimensional finite element...

... 24 07 2009 In this research the neutron diffraction technique was used to investigate the residual stress distributions in carbon steel components with weld repairs. Two full penetration weld repairs were studied using a) the stringer bead and b) the temper bead weld techniques in 25...

... 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. residual stresses repair weld neutron diffraction deep hole ring core FEM RPV Proceedings of PVP2005 2005 ASME...

... with a standard welding procedure, while in the second case a different procedure was followed in order to obtain extended martensite formation in the heat affected zone. Residual stresses have been determined in both specimens by neutron diffraction at the High Flux Reactor of the Joint Research Centre in Petten...

... plate, and a 62° arc-length multi-pass repair weld in a 432 mm outer diameter, 19.6 mm thick stainless steel pipe girth weld. The residual stress measurements were made by employing the relatively new Contour method and by neutron diffraction using ENGIN-X, the engineering spectrometer at the ISIS...

... be important. In this paper, the neutron diffraction technique is used which while it is a very expensive technique, is capable of non-destructively measuring residual stresses at this scale up to a depth of 35mm. The investigation reported compares the residual stress characteristics due to various restraints...

... the constraint of a groove in order to validate finite element simulations of the welding process. Measurements were made over the cross section at the mid-bead length, utilising the relatively new Contour method and neutron diffraction. Non destructive neutron diffraction measurements were made using ENGIN-X...

... 21 07 2008 In this research the neutron diffraction technique was used to investigate and compare the residual stress characteristics in a several weld arrangements. This research has focused on the effects on residual stress of: • restraint condition applied during welding...

... by comparing stress intensity factors based on the measured and predicted distributions of stress. The results from these studies will be used to help establish accuracy targets and acceptance criteria for the welding benchmark. Residual stress measurement contour neutron diffraction deep hole finite...