Effect of inter layer cold work on 2024 aluminium alloy produced by wire directed energy deposition

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dc.contributor.authorEimer, Eloise
dc.contributor.authorGanguly, Supriyo
dc.contributor.authorCzink, Steffen
dc.contributor.authorDietrich, Stefan
dc.contributor.authorChehab, Bechir
dc.contributor.authorDing, Jialuo
dc.contributor.authorWilliams, Stewart
dc.date.accessioned2023-07-05T08:53:23Z
dc.date.available2023-07-05T08:53:23Z
dc.date.issued2023-06-23
dc.description.abstractAluminium copper magnesium alloys are widely used in the aerospace sector. Wire-based Directed Energy Deposition could replace conventional manufacturing routes to build large and semi-complex components for this industry if high mechanical performance can be achieved in the deposit. The scope of this study was to assess the effect of inter-pass rolling on a 2024 aluminium alloy wire-based DED built structure and to investigate the impact of cold work during the deposition process on the microstructure and mechanical performances. The 2024 aluminium alloy was deposited using two variants of gas metal arc process, and the effects of the deposition process, cold work and heat treatment were studied using macro and microstructural observations, hardness measurement and tensile tests. The material response to inter-pass rolling and the formation of rolling defects was found to depend on the deposition process variant and bead geometry. While a significant strengthening of the deposit was observed with one process, only a drastic reduction of defects was observed with the second. It was also found that the application of cold work and heat treatment led to lowering of anisotropy and higher ductility when compared with heat-treated deposit without any inter-pass rolling.en_UK
dc.identifier.citationEimer E, Ganguly S, Czink S, et al., (2023) Effect of inter layer cold work on 2024 aluminium alloy produced by wire directed energy deposition, Materials Science and Engineering A: Structural Materials: Properties. Microstructures and Processing, Volume 880, July 2023, Article number 145272en_UK
dc.identifier.issn0921-5093
dc.identifier.urihttps://doi.org/10.1016/j.msea.2023.145272
dc.identifier.urihttps://dspace.lib.cranfield.ac.uk/handle/1826/19926
dc.language.isoenen_UK
dc.publisherElsevieren_UK
dc.rightsAttribution 4.0 International*
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/*
dc.subjectWire-DEDen_UK
dc.subjectAdditive manufacturingen_UK
dc.subjectAluminium copperen_UK
dc.subjectCold worken_UK
dc.subjectHeat treatmenten_UK
dc.titleEffect of inter layer cold work on 2024 aluminium alloy produced by wire directed energy depositionen_UK
dc.typeArticleen_UK

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