In situ neutron diffraction measurement of strain relaxation in welds during heat treatment

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dc.contributor.authorAlipooramirabad, Hen_AU
dc.contributor.authorParadowska, AMen_AU
dc.contributor.authorLavigne, Oen_AU
dc.contributor.authorGhomashchi, Ren_AU
dc.contributor.authorReid, Men_AU
dc.date.accessioned2021-02-15T19:51:56Zen_AU
dc.date.available2021-02-15T19:51:56Zen_AU
dc.date.issued2016-12-11en_AU
dc.date.statistics2021-02-15en_AU
dc.description.abstractNeutron diffraction (ND) is commonly used to investigate the stress redistribution before and after post-weld heat treatment (PWHT) in welded structures. However, there is a lack of information on the evaluations of strains during PWHT. The present work employed in situ ND to measure the relaxation of residual strains during conventional PWHT in multi-pass high-strength low-alloy steel welds. It was found that strain relaxation occurs principally during the heating stage of the heat treatment. The findings have important economic bearings and can be used to characterise comparable material combinations and optimise the PWHT process for high-strength low-alloy weld joints. This unique information also provides a valuable benchmark for the finite element modelling of this complex process. © 2021 Informa UK Limiteden_AU
dc.identifier.citationAlipooramirabad, H., Paradowska, A., Lavigne, O., Ghomashchi, R., & Reid, M. (2016). In situ neutron diffraction measurement of strain relaxation in welds during heat treatment. Science and Technology of Welding and Joining, 22(6), 484-495. doi:10.1080/13621718.2016.1263437en_AU
dc.identifier.issn1362-1718en_AU
dc.identifier.issue6en_AU
dc.identifier.journaltitleScience and Technology of Welding and Joiningen_AU
dc.identifier.pagination484-495en_AU
dc.identifier.urihttps://doi.org/10.1080/13621718.2016.1263437en_AU
dc.identifier.urihttps://apo.ansto.gov.au/dspace/handle/10238/10412en_AU
dc.identifier.volume22en_AU
dc.language.isoenen_AU
dc.publisherTaylor & Francis Onlineen_AU
dc.subjectNeutron diffractionen_AU
dc.subjectResidual stressesen_AU
dc.subjectIn-situ processingen_AU
dc.subjectHeat treatmentsen_AU
dc.subjectMicrostructureen_AU
dc.subjectLow alloy steelsen_AU
dc.subjectStrainsen_AU
dc.subjectStress relaxationen_AU
dc.subjectHardnessen_AU
dc.subjectScatteringen_AU
dc.titleIn situ neutron diffraction measurement of strain relaxation in welds during heat treatmenten_AU
dc.typeJournal Articleen_AU
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