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Effects of edge oxides from laser cutting in laser-arc hybrid welding
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Product and Production Development.ORCID iD: 0000-0003-4265-1541
Joining and Welding Research Institute, Osaka University.
Joining and Welding Research Institute, Osaka University.
Joining and Welding Research Institute, Osaka University.
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2018 (English)In: Journal of laser applications, ISSN 1042-346X, E-ISSN 1938-1387, Vol. 30, no 1, article id 012014Article in journal (Refereed) Published
Abstract [en]

Laser-arc hybrid welding (LAHW) is a promising technique for joining sheets due to fast processing speeds and small gap bridgeability. Prior to welding, the edges are often prepared using laser cutting. However, this often leaves small striations with a thin oxide layer that may affect the weld quality. Compared to milled edges, these striations produces a quasigap in a butt joint configuration. The effects of these cutting oxides upon welding are yet unknown. Here, the effects of these oxides in combination with CO2 in the shielding gas are investigated for the LAHW process, using a cold metal transfer arc process.

Place, publisher, year, edition, pages
Laser Institute of America , 2018. Vol. 30, no 1, article id 012014
National Category
Manufacturing, Surface and Joining Technology
Research subject
Manufacturing Systems Engineering
Identifiers
URN: urn:nbn:se:ltu:diva-67736DOI: 10.2351/1.5009792ISI: 000426582100015Scopus ID: 2-s2.0-85042614039OAI: oai:DiVA.org:ltu-67736DiVA, id: diva2:1185018
Note

Validerad;2018;Nivå 2;2018-02-23 (andbra)

Available from: 2018-02-23 Created: 2018-02-23 Last updated: 2018-03-27Bibliographically approved

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