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Process instability in laser welding of aluminum alloys at the boundary of complete penetration
Luleå tekniska universitet.
Luleå University of Technology, Department of Engineering Sciences and Mathematics.
2001 (English)In: Journal of laser applications, ISSN 1042-346X, E-ISSN 1938-1387, Vol. 13, no 5, p. 193-198Article in journal (Refereed) Published
Abstract [en]

Intrinsic instabilities in the depth of penetration achieved when laser welding aluminum alloys were investigated in this article. Four types of weld pool configuration, resulting in different welds, were identified, only two of which are associated with full penetration. A simple phenomenological explanation of the unstable welding process at the boundary of complete penetration was proposed. The nature and cause of the instabilities were discussed and suggestions were offered for process control. Materials used: AA6016 aluminum alloy.

Place, publisher, year, edition, pages
2001. Vol. 13, no 5, p. 193-198
National Category
Manufacturing, Surface and Joining Technology
Research subject
Manufacturing Systems Engineering
Identifiers
URN: urn:nbn:se:ltu:diva-12998Local ID: c2634740-9c29-11db-8975-000ea68e967bOAI: oai:DiVA.org:ltu-12998DiVA, id: diva2:985949
Note
Validerad; 2001; 20070104 (ysko)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2017-11-24Bibliographically approved

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Powell, JohnMagnusson, Claes

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