Strain controlled fatigue behaviour of a wire + arc additive manufactured Ti-6Al-4V

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dc.contributor.authorSyed, Abdul Khadar
dc.contributor.authorPlaskitt, Rob
dc.contributor.authorHill, Michelle
dc.contributor.authorPinter, Zsolt
dc.contributor.authorDing, Jialuo
dc.contributor.authorZboray, Robert
dc.contributor.authorWilliams, Stewart
dc.contributor.authorZhang, Xiang
dc.date.accessioned2023-03-24T12:17:11Z
dc.date.available2023-03-24T12:17:11Z
dc.date.issued2023-02-24
dc.description.abstractThis paper presents the cyclic deformation behaviour and fatigue properties of a wire + arc additive manufactured Ti-6Al-4V alloy in the as built condition under strain-controlled test condition. Higher local energy input used to build the material has resulted in a coarser primary columnar β grain structure along with a coarser α microstructure compared to Ti-6Al-4V alloys produced by other additive manufacture processes. Test specimens were manufactured in horizontal and vertical orientations with respect to the deposited layers. Isotropic fatigue property was observed at lower applied strain values. When the strain amplitude was above 0.6%, the vertical samples, where the loading axis was parallel with the primary columnar β grains, showed marginally higher fatigue life owing to the material being more ductile in this direction. Moreover, higher cyclic softening rate by a factor of two was measured in the vertical samples. No porosity defects were found in the material. Cracks were initiated from either the α laths or α/β interface due to cyclic slip localisation.en_UK
dc.identifier.citationSyed AK, Plaskitt R, Hill M, et al., (2023) Strain controlled fatigue behaviour of a wire + arc additive manufactured Ti-6Al-4V. International Journal of Fatigue, Volume 171, June 2023, Article number 107579en_UK
dc.identifier.issn0142-1123
dc.identifier.urihttps://doi.org/10.1016/j.ijfatigue.2023.107579
dc.identifier.urihttps://dspace.lib.cranfield.ac.uk/handle/1826/19349
dc.language.isoenen_UK
dc.publisherElsevieren_UK
dc.rightsAttribution 4.0 International*
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/*
dc.subjectCyclic deformationen_UK
dc.subjectLow cycle fatigueen_UK
dc.subjectStrain controlled fatigue testen_UK
dc.subjectTitanium alloysen_UK
dc.subjectWAAMen_UK
dc.titleStrain controlled fatigue behaviour of a wire + arc additive manufactured Ti-6Al-4Ven_UK
dc.typeArticleen_UK

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