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Fibre laser welding for lightweight design
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Product and Production Development.
2009 (English)In: Congress proceedings: ICALEO, 28th International Congress on Applications of Lasers & Electro-Optics : November 2 - 5, 2009 - Orlando, FL : Laser Materials Processing Conference, Laser Microprocessing Conference, Nanomanufacturing Conference, poster presentation, gallery, Orlando, Fla.: Laser institute of America , 2009, Vol. 102, 1548-1557 p.Conference paper (Refereed)
Abstract [en]

Two different high strength steel grades have been welded by a fibre laser as a fillet corner joint. The purpose of the experiments is to use thinner materials of higher strength as a weight reduction strategy. The sensitivity of the welding process to the beam inclination angle, the beam positioning and the focal plane position were studied. High-speed imaging, process emission monitoring, measurement of the weld surface topography, mechanical testing and FE-analysis have been used to analyze the process and the resulting weld. The combined study by these methods gives a more comprehensive picture for studying the weld quality. The Bifurcation Flow Chart (BFC) as a new method has been applied to standardize and generalize the findings.

Place, publisher, year, edition, pages
Orlando, Fla.: Laser institute of America , 2009. Vol. 102, 1548-1557 p.
Research subject
Manufacturing Systems Engineering
URN: urn:nbn:se:ltu:diva-31325Local ID: 57956360-c923-11de-b769-000ea68e967bISBN: 978-0-912035-59-8 (PDF)OAI: diva2:1004558
International Congress on Applications of Lasers & Electro-Optics : 02/11/2009 - 05/11/2009
Godkänd; 2009; Bibliografisk uppgift: 1 CD-ROM; 20091104 (ysko)Available from: 2016-09-30 Created: 2016-09-30Bibliographically approved

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