Dissimilar Metals LaserWelding between DP1000 Steel and Aluminum Alloy 1050

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dc.contributor.authorMarques, Pedro Carmona
dc.contributor.authorPereira, António
dc.contributor.authorCabrinha, Ana
dc.contributor.authorRocha, Fábio
dc.contributor.authorFernandes, Fábio A. O.
dc.contributor.authorSousa, Ricardo
dc.date.accessioned2019-07-29T09:49:32Z
dc.date.available2019-07-29T09:49:32Z
dc.date.issued2019
dc.descriptionMetals
dc.description.abstractThe welding of dissimilar metals was carried out using a pulsed Nd: YAG laser to join DP1000 steel and an aluminum alloy 1050 H111. Two sheets of each metal, with 30 14 1 mm3, were lap welded, since butt welding proved to be nearly impossible due to the huge thermal conductivity differences and melting temperature differences of these materials. The aim of this research was to find the optimal laser welding parameters based on the mechanical and microstructure investigations. Thus, the welded samples were then subjected to tensile testing to evaluate the quality of the joining operation. The best set of welding parameters was replicated, and the welding joint obtained using these proper parameters was carefully analyzed using optical and scanning electron microscopes. Despite the predicted difficulties of welding two distinct metals, good quality welded joints were achieved. Additionally, some samples performed satisfactorily well in the mechanical tests, reaching tensile strengths close to the original 1050 aluminum alloy.en
dc.formatapplication/pdf
dc.identifier.issn2075-4701
dc.identifier.urihttp://hdl.handle.net/10437/9706
dc.language.isoengpt
dc.publisherMDPI
dc.rightsopenAccess
dc.subjectSTEELen
dc.subjectALUMINUMen
dc.subjectELECTROTECHNICAL ENGINEERINGen
dc.subjectMECHANIC ENGINEERINGen
dc.subjectWELDINGen
dc.subjectLASERen
dc.subjectWELDING PROCESSESen
dc.subjectALUMINUM ALLOYen
dc.subjectLASERpt
dc.subjectENGENHARIA ELETROTÉCNICApt
dc.subjectENGENHARIA MECÂNICApt
dc.subjectSOLDADURApt
dc.subjectAÇOpt
dc.subjectALUMÍNIOpt
dc.subjectPROCESSOS DE SOLDADURApt
dc.subjectLIGAS DE ALUMÍNIOpt
dc.titleDissimilar Metals LaserWelding between DP1000 Steel and Aluminum Alloy 1050en
dc.typearticleen

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