Microstructure and mechanical properties of aluminum-steel dissimilar metal welded using arc and friction stir hybrid welding

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dc.contributor.authorLiu, Ji
dc.contributor.authorWu, Bintao
dc.contributor.authorWang, Ziran
dc.contributor.authorLi, Chunwang
dc.contributor.authorChen, Guangyu
dc.contributor.authorMiao, Yugang
dc.date.accessioned2023-01-26T15:33:32Z
dc.date.available2023-01-26T15:33:32Z
dc.date.issued2022-12-21
dc.description.abstractIn this study, arc and friction stir hybrid welding (AFSHW) was proposed to weld aluminum-steel dissimilar metals in attempt to realize high quality joining. Firstly, an interlayer was produced on galvanized steel by using bypass current-metal inert gas welding (BC-MIG), and then an aluminium plate was jointed via Friction stir lap welding (FSLW). The effects of tool pin length and FSLW times on the microstructure and mechanical properties of dissimilar joints were fully investigated by means of Optical Microscopy (OM), Scanning Electron Microscope (SEM), Electron Backscatter Diffraction (EBSD), and mechanical testing. The results show that as pin length increased, joint strength tended to increase and then decrease, and the tensile failure partially occurred at aluminium base metal. However, with additional number of FSLW, joint strength would be reduced, which was attributed to attenuated dislocation density and strain concertation in dissimilar joint. The research outcomes will provide a new welding method to obtain sound Al-Fe dissimilar metal joint, and benefit to a better understanding of Al-Fe joining mechanism.en_UK
dc.identifier.citationLiu J, Wang Z, Li C, et al., (2023) Microstructure and mechanical properties of aluminum-steel dissimilar metal welded using arc and friction stir hybrid welding. Materials and Design, Volume 225, January 2023, Article number 111520en_UK
dc.identifier.issn0264-1275
dc.identifier.urihttps://doi.org/10.1016/j.matdes.2022.111520
dc.identifier.urihttps://dspace.lib.cranfield.ac.uk/handle/1826/19034
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.subjectAFSWen_UK
dc.subjectAluminum-steel jointen_UK
dc.subjectInterfacial microstructureen_UK
dc.subjectMechanical strengthen_UK
dc.titleMicrostructure and mechanical properties of aluminum-steel dissimilar metal welded using arc and friction stir hybrid weldingen_UK
dc.typeArticleen_UK

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