Laser offset welding of AZ31B magnesium alloy to 316 stainless steel

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dc.contributor.author Casalino, G.
dc.contributor.author Guglielmi, P.
dc.contributor.author Lorusso, V. D.
dc.contributor.author Mortello, Michelangelo
dc.contributor.author Peyre, P.
dc.contributor.author Sorgente, D.
dc.date.accessioned 2017-01-03T09:52:59Z
dc.date.available 2017-01-03T09:52:59Z
dc.date.issued 2016-11-18
dc.identifier.citation Casalino G, Guglielmi P, Lorusso VD, Mortello M, Peyre P, Sorgente D, Laser offset welding of AZ31B magnesium alloy to 316 stainless steel, Journal of Materials Processing Technology, Volume 242, April 2017, Pages 49–59 en_UK
dc.identifier.issn 0924-0136
dc.identifier.uri http://dx.doi.org/10.1016/j.jmatprotec.2016.11.020
dc.identifier.uri http://dspace.lib.cranfield.ac.uk/handle/1826/11194
dc.description.abstract In this paper, the feasibility of using a fiber laser to perform a dissimilar metal joining was explored. AZ31B magnesium and 316 stainless steel were autogenously joined in butt configuration. The weldability between different materials is often compromised by a large difference in thermal properties and poor metallurgical compatibility. Thus, the beam was focused onto the top surface of the magnesium plate, at a certain distance from the interfaces (offset), and without using any interlayer or groove preparation. Such a method was called laser offset welding (LOW). Results proved a very good capability. The ultimate tensile strength exceeded the value of 100 MPa, since a resistant and thin layer of hard intermetallic compounds is formed within the fusion zone. The rupture was observed within the magnesium side, far from the centerline. The metallurgy of fusion zone indicated the effectiveness of phases coalescence, without mixing at liquid states. LOW was demonstrated to be a promising technique to join dissimilar metal welds, being capable to produce an effective bonding with good tensile strength. en_UK
dc.language.iso en en_UK
dc.publisher Elsevier en_UK
dc.rights Attribution-NonCommercial-NoDerivatives 4.0 International
dc.rights.uri http://creativecommons.org/licenses/by-nc-nd/4.0/
dc.subject Laser offset welding en_UK
dc.subject Magnesium alloy en_UK
dc.subject Titanium alloy en_UK
dc.subject Dissimilar butt weld en_UK
dc.title Laser offset welding of AZ31B magnesium alloy to 316 stainless steel en_UK
dc.type Article en_UK


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