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The effect of fit-up geometry on melt flow and weld quality in laser hybrid welding
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Product and Production Development. Centro Tecnolóxico do Naval Galego, Ferrol.
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Product and Production Development.ORCID iD: 0000-0003-4265-1541
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Product and Production Development.
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Product and Production Development.
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2013 (English)In: Journal of laser applications, ISSN 1042-346X, E-ISSN 1938-1387, Vol. 25, no 3Article in journal (Refereed) Published
Abstract [en]

Hybrid laser-arc welding has a good tolerance to poor fit up as compared to simple laser welding. For a butt joint, the joint fit-up variations can be reduced to two local properties: the gap width and the vertical edge mismatch. The impact of these two properties on the resulting weld quality has been studied systematically in this paper. The original edges as well as the resulting weld surface topography have been scanned in three dimensions in order to study trends. During hybrid welding, the melt flow and the electric arc were observed at the top surface by high speed imaging to analyze the complex fluid flow phenomena.

Place, publisher, year, edition, pages
2013. Vol. 25, no 3
National Category
Manufacturing, Surface and Joining Technology
Research subject
Manufacturing Systems Engineering
Identifiers
URN: urn:nbn:se:ltu:diva-2585DOI: 10.2351/1.4799556ISI: 000322535700011Scopus ID: 2-s2.0-84877256245Local ID: 03841559-c98c-462c-b616-2729658b2a4bOAI: oai:DiVA.org:ltu-2585DiVA, id: diva2:975438
Note

Validerad; 2013; Bibliografisk uppgift: Article no 032010 ; 20130417 (ysko)

Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2018-08-23Bibliographically approved

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Lamas, JavierKarlsson, Jan ErikNorman, PeterPowell, JohnKaplan, Alexander

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