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dc.contributor.authorHamelin, CJ-
dc.contributor.authorMuránsky, O-
dc.contributor.authorSmith, MC-
dc.contributor.authorHolden, TM-
dc.contributor.authorLuzin, V-
dc.contributor.authorBendeich, PJ-
dc.contributor.authorEdwards, L-
dc.identifier.citationHamelin, C. J., Muránsky, O., Smith, M. C., Holden, T. M., Luzin, V., Bendeich, P. J., & Edwards, L. (2014). Validation of a numerical model used to predict phase distribution and residual stress in ferritic steel weldments. Acta Materialia, 75, 1-19. doi:10.1016/j.actamat.2014.04.045en_AU
dc.description.abstractNumerical finite element analyses were combined with experimental observation of a single-pass autogenous beam weld in SA508 Gr.3 Cl.1 ferritic steel. Two weldment sets were prepared using different weld heat inputs, resulting in different post-weld residual stress and ferritic phase distributions. Neutron diffraction was employed to measure the residual stress distribution while microhardness measurements were used to measure the post-weld phase distribution in each weldment. In both cases, the numerical model accurately predicts the ferritic phase distribution and residual stress field. Model predictions illustrate how the higher cooling rates associated with a faster torch speed result in an increased martensite volume fraction within the weldment. Consideration of both the transformation kinetics and transformation plasticity are proven to significantly improve model accuracy when comparing measured and predicted residual stress profiles. © 2014, Acta Materialia Inc.en_AU
dc.subjectNeutron diffractionen_AU
dc.subjectFerritic steelsen_AU
dc.subjectPhase transformationsen_AU
dc.titleValidation of a numerical model used to predict phase distribution and residual stress in ferritic steel weldmentsen_AU
dc.typeJournal Articleen_AU
Appears in Collections:Journal Articles

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