A comparative study of additively manufactured thin wall and block structure with Al-6.3% Cu alloy using cold metal transfer process

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dc.contributor.authorCong, Baoqiang
dc.contributor.authorQi, Zewu
dc.contributor.authorQi, Bojin
dc.contributor.authorSun, Hongye
dc.contributor.authorZhao, Gang
dc.contributor.authorDing, Jialuo
dc.date.accessioned2017-03-27T14:07:58Z
dc.date.available2017-03-27T14:07:58Z
dc.date.issued2017-03-10
dc.description.abstractIn order to build a better understanding of the relationship between depositing mode and porosity, microstructure, and properties in wire + arc additive manufacturing (WAAM) 2319-Al components, several Al-6.3%Cu deposits were produced by WAAM technique with cold metal transfer (CMT) variants, pulsed CMT (CMT-P) and advanced CMT (CMT-ADV). Thin walls and blocks were selected as the depositing paths to make WAAM samples. Porosity, microstructure and micro hardness of these WAAM samples were investigated. Compared with CMT-P and thin wall mode, CMT-ADV and block process can effectively reduce the pores in WAAM aluminum alloy. The microstructure varied with different depositing paths and CMT variants. The micro hardness value of thin wall samples was around 75 HV from the bottom to the middle, and gradually decreased toward the top. Meanwhile, the micro hardness value ranged around 72–77 HV, and varied periodically in block samples. The variation in micro hardness is consistent with standard microstructure characteristics.en_UK
dc.identifier.citationCong B, Qi Z, Qi B et al., A comparative study of additively manufactured thin wall and block structure with Al-6.3% Cu alloy using cold metal transfer process. Applied Sciences, Volume 7, Issue 3, March 2017, Article number 275en_UK
dc.identifier.issn2076-3417
dc.identifier.urihttp://dx.doi.org/10.3390/app7030275
dc.identifier.urihttps://dspace.lib.cranfield.ac.uk/handle/1826/11665
dc.language.isoenen_UK
dc.publisherMDPIen_UK
dc.rightsAttribution 4.0 International
dc.rights.uri
dc.subjectwire + arc additive manufacturingen_UK
dc.subjectaluminum alloyen_UK
dc.subjectcold metal transferen_UK
dc.subjectdepositing pathen_UK
dc.subjectporosityen_UK
dc.subjectmicrostructureen_UK
dc.subjectmicro hardnessen_UK
dc.titleA comparative study of additively manufactured thin wall and block structure with Al-6.3% Cu alloy using cold metal transfer processen_UK
dc.typeArticleen_UK

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