Analytical process model for wire + arc additive manufacturing

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dc.contributor.authorSergio, Rios
dc.contributor.authorColegrove, Paul A.
dc.contributor.authorMartina, Filomeno
dc.contributor.authorWilliams, Stewart W.
dc.date.accessioned2018-12-12T10:30:28Z
dc.date.available2018-12-12T10:30:28Z
dc.date.issued2018-04-03
dc.description.abstractAn analytical process model for predicting the layer height and wall width from the process parameters was developed for wire + arc additive manufacture of Ti-6Al-4V, which includes inter-pass temperature and material properties. Capillarity theory predicted that cylindrical deposits were produced where the wall width was less than 12 mm (radius <6 mm) due to the large value of the surface tension. Power was predicted with an accuracy of ±20% for a wide range of conditions for pulsed TIG and plasma deposition. Interesting differences in the power requirements were observed where a surface depression was produced with the plasma process due to differences in melting efficiency and/or convection effects. Finally, it was estimated the impact of controlling the workpiece temperature on the accuracy of the deposit geometry.en_UK
dc.identifier.citationSergio Ríos, Paul A. Colegrove, Filomeno Martina and Stewart W. Williams. Analytical process model for wire + arc additive manufacturing. Additive Manufacturing, Volume 21, May 2018, Pages 651-657en_UK
dc.identifier.issn2214-7810
dc.identifier.urihttps://doi.org/10.1016/j.addma.2018.04.003
dc.identifier.urihttps://dspace.lib.cranfield.ac.uk/handle/1826/13721
dc.language.isoenen_UK
dc.publisherElsevieren_UK
dc.rightsAttribution 4.0 International*
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/*
dc.subjectWire + arc additive manufactureen_UK
dc.subjectWelding capillarityen_UK
dc.subjectPoint source conductionen_UK
dc.titleAnalytical process model for wire + arc additive manufacturingen_UK
dc.typeArticleen_UK

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