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Initiation and termination phenomena in laser welding of aluminum
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Product and Production Development.ORCID iD: 0000-0002-3569-6795
Luleå University of Technology, Department of Engineering Sciences and Mathematics.
2000 (English)In: Journal of laser applications, ISSN 1042-346X, E-ISSN 1938-1387, Vol. 12, no 2, p. 81-84Article in journal (Refereed) Published
Abstract [en]

This article investigates a defect problem related to laser welding of tailored aluminum blanks. During the initial few millimeters of welding the weld was intermittent. By applying an analytical line source model the weld was shown to experience overheating close to the starting edge. This overheating was reduced by ramping the power during the initial 100 mm and this made the defects disappear. Al sheets of 0.1mm thickness with milled edges were butt welded and bead-on-plate welded in the present investigation.

Place, publisher, year, edition, pages
2000. Vol. 12, no 2, p. 81-84
National Category
Manufacturing, Surface and Joining Technology
Research subject
Manufacturing Systems Engineering
Identifiers
URN: urn:nbn:se:ltu:diva-12897Local ID: c0c46ca0-9cdf-11db-8975-000ea68e967bOAI: oai:DiVA.org:ltu-12897DiVA, id: diva2:985848
Note
Validerad; 2000; 20070105 (ysko)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2017-11-24Bibliographically approved

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Kaplan, AlexanderPowell, JohnMagnusson, Claes

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