Assessment of residual stress, hardness, and defect tolerance in a tee joint, as-welded and after post-weld heat treatment

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dc.contributor.authorLaw, Men_AU
dc.contributor.authorParadowska, AMen_AU
dc.contributor.authorHoye, Nen_AU
dc.contributor.authorGrace, Pen_AU
dc.date.accessioned2021-02-16T01:36:43Zen_AU
dc.date.available2021-02-16T01:36:43Zen_AU
dc.date.issued2017-03-01en_AU
dc.date.statistics2021-02-15en_AU
dc.description.abstractThe risk of hydrogen-assisted cold cracking (HACC) is often conflated with the risk of brittle fracture. However, if delayed non-destructive testing (NDT) shows there are no defects, or defects below the critical crack size, then brittle fracture is not possible. Post-weld heat treatment (PWHT) is known to reduce the risk of HACC but is not always possible to perform. To assess the effects of PWHT, the residual stresses and hardness values were measured before and after PWHT to assess the effects of PWHT on HACC susceptibility and on the critical defect sizes. The residual stresses were lower than code-based estimates. PWHT reduced the residual stress and hardness, and increased the critical crack size. Copyright Scientific Surveys Ltden_AU
dc.identifier.citationLaw, M., Paradowska, A., Hoye, N., & Grace, P. (2017). Assessment of residual stress, hardness, and defect tolerance in a tee joint, as-welded and after post-weld heat treatment. Journal of Pipeline Engineering, 16(1), 27-32.en_AU
dc.identifier.issn1753-2116en_AU
dc.identifier.issue1en_AU
dc.identifier.journaltitleJournal of Pipeline Engineeringen_AU
dc.identifier.pagination27-32en_AU
dc.identifier.urihttps://apo.ansto.gov.au/dspace/handle/10238/10418en_AU
dc.identifier.volume16en_AU
dc.language.isoenen_AU
dc.publisherScientific Surveys Ltden_AU
dc.subjectCracksen_AU
dc.subjectDefectsen_AU
dc.subjectFracturesen_AU
dc.subjectHardnessen_AU
dc.subjectHeat treatmentsen_AU
dc.subjectResidual stressesen_AU
dc.subjectRisk assessmenten_AU
dc.subjectWelded jointsen_AU
dc.titleAssessment of residual stress, hardness, and defect tolerance in a tee joint, as-welded and after post-weld heat treatmenten_AU
dc.typeJournal Articleen_AU
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