Residual stress and texture control in Ti-6Al-4V wire + arc additively manufactured intersections by stress relief and rolling

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dc.contributor.authorHonnige, Jan Roman
dc.contributor.authorColegrove, Paul A.
dc.contributor.authorAhmad, B.
dc.contributor.authorFitzpatrick, M. E.
dc.contributor.authorGanguly, Supriyo
dc.contributor.authorLee, T.
dc.contributor.authorWilliams, Stewart W.
dc.date.accessioned2018-08-06T10:18:42Z
dc.date.available2018-08-06T10:18:42Z
dc.date.issued2018-04-08
dc.description.abstractAdditively manufactured intersections have the theoretical risk to contain hydrostatic tensile residual stresses, which eventually cannot be thermally stress relieved. The stresses in Ti-6Al-4V wire + arc additively manufactured (WAAM) intersections are lower compared to single pass walls and stresses in continuous walls are larger compared to discontinuous walls with otherwise identical geometry. Thermal stress relief was found to virtually eliminate them. Inter-pass rolling can yield the desired grain refinement, without having any noteworthy influence on the development of residual stresses. The strain measurement itself by neutron diffraction is facilitated by the refined microstructure, because the otherwise textured microstructure produces anisotropic peak intensity, not allowing Pawley refinement. Without rolling, the {101¯1} and {101¯3} family of hcp planes are the only ones that diffract consistently in the three principal directions.en_UK
dc.identifier.citationJ.R. Hönnige, P.A. Colegrove, B. Ahmad, et al., Residual stress and texture control in Ti-6Al-4V wire + arc additively manufactured intersections by stress relief and rolling. Materials and Design, Volume 150, 15 July 2018, Pages 193-205en_UK
dc.identifier.issn0264-1275
dc.identifier.urihttps://doi.org/10.1016/j.matdes.2018.03.065
dc.identifier.urihttps://dspace.lib.cranfield.ac.uk/handle/1826/13379
dc.language.isoenen_UK
dc.publisherElsevieren_UK
dc.rightsAttribution-NonCommercial-NoDerivatives 4.0 International*
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/*
dc.subjectWire + arc additive manufacturingen_UK
dc.subjectIntersectionsen_UK
dc.subjectRollingen_UK
dc.subjectStress relievingen_UK
dc.subjectTi-6Al-4Ven_UK
dc.subjectMicrosten_UK
dc.titleResidual stress and texture control in Ti-6Al-4V wire + arc additively manufactured intersections by stress relief and rollingen_UK
dc.typeArticleen_UK

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