Light-weight Mg/Al dissimilar structures welded by CW laser for weight saving applications

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dc.contributor.authorGao, Qiong
dc.contributor.authorMeco, Sonia
dc.contributor.authorWang, Kehong
dc.date.accessioned2019-11-15T11:41:17Z
dc.date.available2019-11-15T11:41:17Z
dc.date.issued2017-08-25
dc.description.abstractWith the increasing demand of light-weight alloys, such as magnesium (Mg) and aluminum (Al), the need for joining these two alloys is unavoidable. In this study, AZ31B Mg and 1060 Al alloys were joined by continuous wave laser micro-welding using a 0.05 mm thick Cu/Zn interlayer. The microstructure and phases constituent of the weld seam were examined by optical microscope, SEM and EDS. The formation and distribution of the intermetallic compounds (IMCs) and the relationship between these structures and the micro-hardness of the weld were discussed in detail. The effect of Cu/Zn interlayer on the performance of Mg/Al joint was also analyzed. The results showed that Mg/Al IMCs were formed in the weld, which indicates that the Cu/Zn foil could not prevent the reaction between Mg and Al. However, the addition of Cu and Zn into the weld pool refined the microstructure by improving the number of eutectic structures. The micro-hardness of Mg/Al IMCs in the middle of the weld was very high which can be detrimental to the toughness of the Mg/Al joints.en_UK
dc.identifier.citationGao Q, Meco S, Wang K, Guo SG. Light-weight Mg/Al dissimilar structures welded by CW laser for weight saving applications. In: Fei M., Ma S., Li X., Sun X., Jia L., Su Z. (eds) Advanced Computational Methods in Life System Modeling and Simulation. ICSEE 2017, LSMS 2017. Communications in Computer and Information Science, Volume 761, Springer, Singapore, pp. 349-357en_UK
dc.identifier.isbn9789811063695
dc.identifier.issn1865-0929
dc.identifier.urihttps://doi.org/10.1007/978-981-10-6370-1_35
dc.identifier.urihttps://dspace.lib.cranfield.ac.uk/handle/1826/14740
dc.language.isoenen_UK
dc.publisherSpringeren_UK
dc.rightsAttribution-NonCommercial 4.0 International*
dc.rights.urihttp://creativecommons.org/licenses/by-nc/4.0/*
dc.subjectMagnesiumen_UK
dc.subjectAluminumen_UK
dc.subjectLaseren_UK
dc.subjectMicro-weldingen_UK
dc.subjectMicrostructureen_UK
dc.subjectIntermetallic compoundsen_UK
dc.titleLight-weight Mg/Al dissimilar structures welded by CW laser for weight saving applicationsen_UK
dc.typeBook chapteren_UK

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