On the effect of heat input and interpass temperature on the performance of Inconel 625 alloy deposited using wire arc additive manufacturing–cold metal transfer process

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dc.contributor.authorZhang, CXen_AU
dc.contributor.authorQiu, ZJen_AU
dc.contributor.authorZhu, HLen_AU
dc.contributor.authorWang, ZYen_AU
dc.contributor.authorMuránsky, Oen_AU
dc.contributor.authorIonescu, Men_AU
dc.contributor.authorPan, ZXen_AU
dc.contributor.authorXi, JTen_AU
dc.contributor.authorLi, HJen_AU
dc.date.accessioned2023-04-06T02:32:38Zen_AU
dc.date.available2023-04-06T02:32:38Zen_AU
dc.date.issued2021-12-25en_AU
dc.date.statistics2022-12-22en_AU
dc.descriptionThis article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license.en_AU
dc.description.abstractRelatively high heat input and heat accumulation are treated as critical challenges to affect the qualities and performances of components fabricated by wire arc additive manufacturing (WAAM). In this study, various heat inputs, namely 276, 552 and 828 J/mm, were performed to fabricate three thin-wall Inconel 625 structures by cold metal transfer (CMT)-based WAAM, respectively, and active interpass cooling was conducted to limit heat accumulation. The macrostructure, microstructure and mechanical properties of the produced components by CMT were investigated. It was found that the increased heat input can deteriorate surface roughness, and the size of dendrite arm spacing increases with increasing heat input, thus leading to the deterioration of mechanical properties. Lower heat input and application of active interpass cooling can be an effective method to refine microstructure and reduce anisotropy. This study enhances the understanding of interpass temperature control and the effectiveness of heat inputs for Inconel 625 alloy by WAAM. It also provides a valuable in situ process for microstructure and mechanical properties’ refinement of WAAM-fabricated alloys and the control of heat accumulation for the fabrication of large-sized structures for future practical applications. © 2021 by the authors. Licensee MDPI, Basel, Switzerland.en_AU
dc.identifier.citationZhang, C., Qiu, Z., Zhu, H., Wang, Z., Muránsky, O., Ionescu, M., Pan, Z. X., Xi, J. T. & Li, H. (2021). On the effect of heat input and interpass temperature on the performance of Inconel 625 alloy deposited using wire arc additive manufacturing–cold metal transfer process. Metals, 12(1), 46. doi:10.3390/met12010046en_AU
dc.identifier.issn2075-4701en_AU
dc.identifier.issue1en_AU
dc.identifier.journaltitleMetalsen_AU
dc.identifier.pagination46en_AU
dc.identifier.urihttps://doi.org/10.3390/met12010046en_AU
dc.identifier.urihttps://apo.ansto.gov.au/dspace/handle/10238/14818en_AU
dc.identifier.volume12en_AU
dc.language.isoenen_AU
dc.publisherMDPIen_AU
dc.subjectHeat treatmentsen_AU
dc.subjectAlloysen_AU
dc.subjectArc weldingen_AU
dc.subjectAdditivesen_AU
dc.subjectInconel 625en_AU
dc.subjectSynchrotronsen_AU
dc.subjectCoolingen_AU
dc.subjectFabricationen_AU
dc.subjectMetalsen_AU
dc.titleOn the effect of heat input and interpass temperature on the performance of Inconel 625 alloy deposited using wire arc additive manufacturing–cold metal transfer processen_AU
dc.typeJournal Articleen_AU
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