Microstructure and mechanical properties of wire + arc additively manufactured 2024 aluminum alloy components: As-deposited and post heat-treated

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dc.contributor.authorQi, Zewu
dc.contributor.authorQi, Bojin
dc.contributor.authorCong, Baoqiang
dc.contributor.authorSun, Hongye
dc.contributor.authorZhao, Gang
dc.contributor.authorDing, Jialuo
dc.date.accessioned2020-01-28T15:13:44Z
dc.date.available2020-01-28T15:13:44Z
dc.date.issued2019-03-09
dc.description.abstractRestricted by the type of commercial aluminum wire, 2024 aluminum alloy cannot be built through conventional single wire + arc additive manufacturing technology. By simultaneously feeding two wires (ER2319 and ER5087) and adjusting the wire feed speed, 2024 aluminum alloy deposits can be achieved with double - wire + arc additive manufacturing process. Heat treatment procedures (solution + natural/artificial aging) were conducted for further improving the properties. The microstructure and mechanical properties of as-deposited and heat-treated 2024 aluminum alloy deposits were tested and analyzed. The microstructure differed in different conditions. Obvious dendrite morphology in as-deposited condition disappeared after heat treatment, and the phases turned to be α-Al + Al2Cu from α-Al + Al2Cu + Al2CuMg. After heat treatment, layer distributing characteristics of the phases became obvious. Post-deposition heat treatment can improve the micro hardness, strength and horizontal elongation of WAAM 2024 aluminum alloy deposits. The elongation along vertical direction decreased.en_UK
dc.identifier.citationQi Z, Qi B, Cong B, et al., (2019) Microstructure and mechanical properties of wire + arc additively manufactured 2024 aluminum alloy components: As-deposited and post heat-treated. Journal of Manufacturing Processes, Volume 40, April 2019, pp. 27-36en_UK
dc.identifier.issn1526-6125
dc.identifier.urihttps://doi.org/10.1016/j.jmapro.2019.03.003
dc.identifier.urihttps://dspace.lib.cranfield.ac.uk/handle/1826/15028
dc.language.isoenen_UK
dc.publisherElsevieren_UK
dc.rightsAttribution-NonCommercial-NoDerivatives 4.0 International*
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/*
dc.subjectMicrostructureen_UK
dc.subjectWire + arc additive manufacturingen_UK
dc.subjectHeat treatmenten_UK
dc.subjectMechanical propertyen_UK
dc.subject2024 Aluminum alloyen_UK
dc.subjectAs-depositeden_UK
dc.titleMicrostructure and mechanical properties of wire + arc additively manufactured 2024 aluminum alloy components: As-deposited and post heat-treateden_UK
dc.typeArticleen_UK

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