Investigation of low current gas tungsten arc welding using split anode calorimetry

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dc.contributor.authorEgerland, Stephan
dc.contributor.authorColegrove, Paul A.
dc.contributor.authorWilliams, Stewart W.
dc.date.accessioned2016-07-05T07:26:25Z
dc.date.available2016-07-05T07:26:25Z
dc.date.issued2016-05-27
dc.description.abstractMost previous split anode calorimetry research has applied high weld currents which exhibit pseudo Gaussian distributions of arc current and power density. In this paper we investigate low current arcs and show that both the current and power distributions have minima in the centre – varying significantly from the expected Gaussian profile. This was postulated due to the formation of the arc with the copper anode and the tungsten cathode. Furthermore, a number of parameters were varied including the step size between measurements, anode thickness and anode surface condition as well as cathode type and tip geometry. The step size between measurements significantly influenced the distribution profile and the anode thickness needed to be above 7 mm to obtain consistent results.en_UK
dc.identifier.citationS. Egerland, P. Colegrove and S. Williams. Investigation of low current gas tungsten arc welding using split anode calorimetry. Science and Technology of Welding and Joining. Volume 22, 2017, Issue 1, pp71-78en_UK
dc.identifier.issn1362-1718
dc.identifier.urihttp://dx.doi.org/10.1080/13621718.2016.1189214
dc.identifier.urihttps://dspace.lib.cranfield.ac.uk/handle/1826/10077
dc.language.isoenen_UK
dc.publisherTaylor and Francisen_UK
dc.rightsAttribution-NonCommercial 4.0 International
dc.rights.urihttp://creativecommons.org/licenses/by-nc/4.0/
dc.subjectSplit anodeen_UK
dc.subjectWeld calorimetryen_UK
dc.subjectGTAWen_UK
dc.subjectArc energyen_UK
dc.subjectCurrent densityen_UK
dc.subjectPower densityen_UK
dc.subjectElectrodeen_UK
dc.titleInvestigation of low current gas tungsten arc welding using split anode calorimetryen_UK
dc.typeArticleen_UK

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