Challenges of measuring residual stresses in large girth welded pipe spools by neutron diffraction

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dc.contributor.authorRen, Yen_AU
dc.contributor.authorParadowska, AMen_AU
dc.contributor.authorEren, SEen_AU
dc.contributor.authorWang, Ben_AU
dc.date.accessioned2021-01-13T01:15:09Zen_AU
dc.date.available2021-01-13T01:15:09Zen_AU
dc.date.issued2016-07-03en_AU
dc.date.statistics2021-07-05en_AU
dc.description.abstractIn this paper, welding induced residual stresses in a welded API 5L X65 girth pipe spools are discussed in as-welded and in local post weld heat treated conditions. Stress measurements were carried out non-destructively using the neutron diffraction technique. For such large-scale components residual stress measurements require significant preparation and planning. First of all, a choice of stress free lattice spacing value, discussed extensively, is of great importance for the evaluation of residual strains and stresses correctly. Besides, the use of a virtual instrument (SSCANSS software) can optimize measurements for distorted or undistorted large components with or without complex details. Moreover, the well-planned “window” cut through the thickness greatly reduced measurement time. A number of points were measured across the weld, HAZ and the parent material. Measurement results showed that residual stresses in the as-welded condition was lower than the yield strength of the material, and significant relaxation was also observed in the post weld heat treated samples. © The Authorsen_AU
dc.identifier.booktitleResidual stresses ICRS-10. Millersville, USA: Materials Research Forum LLCen_AU
dc.identifier.citationRen, Y., Paradowska, A., Eren, E., & Wang, B. (2016). Challenges of measuring residual stresses in large girth welded pipe spools by neutron diffraction. Paper presented to the 10th International Conference on Residual Stresses (ICRS 10), Sydney, Australia, 3-7 July, 2016. In T. M. Holden, T. M., O. Muránsky, & L. Edwards (Eds) (2017). Residual stresses ICRS-10. Millersville, USA: Materials Research Proceedings, Vol. 2, 575-580. doi:10.21741/9781945291173-97en_AU
dc.identifier.conferenceenddate7 July 2016en_AU
dc.identifier.conferencename10th International Conference on Residual Stresses (ICRS 10)en_AU
dc.identifier.conferenceplaceSydney, Australiaen_AU
dc.identifier.conferencestartdate3 July 2016en_AU
dc.identifier.editorsT. M. Holden, T. M., O. Muránsky, & L. Edwardsen_AU
dc.identifier.isbn978-1-94529117-3en_AU
dc.identifier.pagination575-580en_AU
dc.identifier.placeofpublicationMillersville, USAen_AU
dc.identifier.urihttp://dx.doi.org/10.21741/9781945291173-97en_AU
dc.identifier.urihttps://www.mrforum.com/product/residual-stresses-2016/en_AU
dc.identifier.urihttps://apo.ansto.gov.au/dspace/handle/10238/10239en_AU
dc.identifier.volume2en_AU
dc.language.isoenen_AU
dc.publisherMaterials Research Forum LLCen_AU
dc.subjectResidual stressesen_AU
dc.subjectNeutron diffractionen_AU
dc.subjectWeldingen_AU
dc.subjectPipesen_AU
dc.subjectMeasuring methodsen_AU
dc.subjectHeat treatmentsen_AU
dc.titleChallenges of measuring residual stresses in large girth welded pipe spools by neutron diffractionen_AU
dc.typeConference Paperen_AU
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