Investigation of post-weld rolling methods to reduce residual stress and distortion

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dc.contributor.authorCozzolino, Luis D.
dc.contributor.authorCoules, Harry E.
dc.contributor.authorColegrove, Paul A.
dc.contributor.authorWen, Shuwen
dc.date.accessioned2017-05-17T11:24:38Z
dc.date.available2017-05-17T11:24:38Z
dc.date.issued2017-04-27
dc.description.abstractThe mechanisms of post-weld rolling and how it reduces and eliminates residual stress and distortion are poorly understood. Finite element analysis was applied to two different methods of rolling: rolling the weld bead directly with a single roller and rolling beside the weld bead with a dual flat roller. The models showed that both rolling techniques were able to induce compressive stress into the weld region, which increased with rolling load. The distribution of stress was sensitive to the coefficients of friction between the workpiece and the roller and the backing bar. High friction coefficients concentrated the plastic deformation and compressive stress within the centre of the weld bead. Distortion can be eliminated by rolling; however, the experiments indicated that this was only achieved when applied to the weld bead directly.en_UK
dc.identifier.citationLuis D. Cozzolino, Harry E. Coules, Paul A. Colegrove, Shuwen Wen, Investigation of post-weld rolling methods to reduce residual stress and distortion, Journal of Materials Processing Technology, Volume 247, September 2017, pp243-256en_UK
dc.identifier.issn0924-0136
dc.identifier.urihttp://dx.doi.org/10.1016/j.jmatprotec.2017.04.018
dc.identifier.urihttps://dspace.lib.cranfield.ac.uk/handle/1826/11907
dc.language.isoenen_UK
dc.publisherElsevieren_UK
dc.rightsAttribution 4.0 International (CC BY 4.0) You are free to: Share — copy and redistribute the material in any medium or format, Adapt — remix, transform, and build upon the material for any purpose, even commercially. The licensor cannot revoke these freedoms as long as you follow the license terms. Under the following terms: Attribution — You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use. Information: No additional restrictions — You may not apply legal terms or technological measures that legally restrict others from doing anything the license permits.
dc.subjectResidual stress managementen_UK
dc.subjectRollingen_UK
dc.subjectWeldingen_UK
dc.subjectModellingen_UK
dc.subjectFEAen_UK
dc.titleInvestigation of post-weld rolling methods to reduce residual stress and distortionen_UK
dc.typeArticleen_UK

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