Prediction of residual stress within linear friction welds using a computationally efficient modelling approach

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dc.contributor.authorBuhr, Clement
dc.contributor.authorAhmad, Bilal
dc.contributor.authorColegrove, Paul A.
dc.contributor.authorMcAndrew, Anthony R.
dc.contributor.authorGuo, Hua
dc.contributor.authorZhang, Xiang
dc.date.accessioned2017-12-22T12:36:56Z
dc.date.available2017-12-22T12:36:56Z
dc.date.issued2017-11-08
dc.description.abstractModelling the mechanical mixing occurring at the interface of a linear friction weld (LFW) is complex, making it difficult to study the development of residual stresses within real engineering workpieces. To address this, a sequentially-coupled numerical model of a Ti-6Al-4V LFW was developed, bypassing the modelling of the oscillations by applying the heat at the weld interface and sequentially removing rows of elements to account for the burn-off. Increasing the rubbing velocity was found to numerically increase the peak of residual stress while narrowing the distribution. Only small changes arose from increasing the applied pressure or changing the oscillation direction. Predictions suggested a strong correlation between the phase 3 temperature profile and the residual stress field subsequently created. Validation against neutron diffraction and contour method are also presented. This approach provides a computationally efficient technique to study the residual stress development within large 3D structures.en_UK
dc.identifier.citationClément Bühr, Bilal Ahmad, Paul A. Colegrove, et. al., Prediction of residual stress within linear friction welds using a computationally efficient modelling approach. Materials & Design, Volume 139, 2018, Pages 222-233en_UK
dc.identifier.issn0264-1275
dc.identifier.urihttps://doi.org/10.1016/j.matdes.2017.11.013
dc.identifier.urihttps://dspace.lib.cranfield.ac.uk/handle/1826/12834
dc.language.isoenen_UK
dc.publisherElsevieren_UK
dc.rightsAttribution 4.0 International*
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/*
dc.subjectLinear friction weldingen_UK
dc.subjectTitaniumen_UK
dc.subjectResidual stressen_UK
dc.subjectModellingen_UK
dc.subjectExperimentsen_UK
dc.titlePrediction of residual stress within linear friction welds using a computationally efficient modelling approachen_UK
dc.typeArticleen_UK

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