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Root humping in laser welding: an investigation based on high speed imaging
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.
Luleå University of Technology, Department of Engineering Sciences and Mathematics.
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Product and Production Development.ORCID iD: 0000-0002-3569-6795
2012 (English)In: Physics Procedia, ISSN 1875-3892, E-ISSN 1875-3892, Vol. 39, p. 27-32Article in journal (Refereed) Published
Abstract [en]

Regular drop formation (humping) along the weld root during laser welding was studied by high speed imaging of the melt pool underneath the workpiece. The formation of droplets towards the rear of this weld pool was seen to be primarily caused by the pumping of melt from the bottom of the keyhole and the influence of gravity drawing melt into a sagging hump. This is a different process from the one which creates humps on the top surface of welds.

Place, publisher, year, edition, pages
2012. Vol. 39, p. 27-32
National Category
Manufacturing, Surface and Joining Technology
Research subject
Manufacturing Systems Engineering
Identifiers
URN: urn:nbn:se:ltu:diva-32189DOI: 10.1016/j.phpro.2012.10.010ISI: 000314404000003Scopus ID: 2-s2.0-85014482318Local ID: 69aa8157-6535-4b1b-9576-dbd9bba56149OAI: oai:DiVA.org:ltu-32189DiVA, id: diva2:1005423
Conference
Laser Assisted Net Shape Engineering : 12/11/2012 - 15/11/2012
Note
Validerad; 2012; 20121112 (andbra); Konferensartikel i tidskriftAvailable from: 2016-09-30 Created: 2016-09-30 Last updated: 2018-07-10Bibliographically approved

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Ilar, TorbjörnEriksson, IngemarPowell, JohnKaplan, Alexander

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CiteExportLink to record
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  • apa
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