Microstructure of interpass rolled wire + arc additive manufacturing Ti-6Al-4V components

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dc.contributor.authorMartina, Filomeno
dc.contributor.authorColegrove, Paul A.
dc.contributor.authorWilliams, Stewart W.
dc.date.accessioned2015-11-26T15:36:58Z
dc.date.available2015-11-26T15:36:58Z
dc.date.issued2015-10-13
dc.description.abstractMechanical property anisotropy is one of the issues that are limiting the industrial adoption of additive manufacturing (AM) Ti-6Al-4V components. To improve the deposits’ microstructure, the effect of high-pressure interpass rolling was evaluated, and a flat and a profiled roller were compared. The microstructure was changed from large columnar prior beta grains that traversed the component to equiaxed grains that were between 56 and 139 μm in size. The repetitive variation in Widmanstätten alpha lamellae size was retained; however, with rolling, the overall size was reduced. A “fundamental study” was used to gain insight into the microstructural changes that occurred due to the combination of deformation and deposition. High-pressure interpass rolling can overcome many of the shortcomings of AM, potentially aiding industrial implementation of the process.en_UK
dc.description.sponsorshipEPSRC, AirBusen_UK
dc.identifier.citationMartina, F., Colegrove, P.A., Williams, S.W. and Meyer, J. 2015. Microstructure of interpass rolled wire + arc additive manufacturing Ti-6Al-4V components. Matallurgical and materials transactions A, 46(12), pages 6103-6118. DOI: 10.1007/s11661-015-3172-1en_UK
dc.identifier.cris2808625
dc.identifier.issn1073-5623
dc.identifier.urihttps://dspace.lib.cranfield.ac.uk/handle/1826/9596
dc.identifier.urihttps://doi:10.1007/s11661-015-3172-1en_UK
dc.language.isoenen_UK
dc.publisherSpringeren_UK
dc.rightsOpen Access This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://​creativecommons.​org/​licenses/​by/​4.​0/​), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. Attribution 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.en_UK
dc.subjectMetallic materialsen_UK
dc.subjectCharacterization and evaluation of materialsen_UK
dc.subjectStructural materialsen_UK
dc.subjectSurfaces and interfaces, thin filmsen_UK
dc.subjectnanotechnologyen_UK
dc.titleMicrostructure of interpass rolled wire + arc additive manufacturing Ti-6Al-4V componentsen_UK
dc.typeArticleen_UK

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