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An investigation on stability of laser hybrid arc welding
Faculty of Mechanical Engineering, K.N. Toosi University of Technology, Tehran.
Faculty of Mechanical Engineering, K.N. Toosi University of Technology, Tehran.
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Product and Production Development.ORCID iD: 0000-0003-4265-1541
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Product and Production Development.ORCID iD: 0000-0002-3569-6795
2013 (English)In: Optics and lasers in engineering, ISSN 0143-8166, E-ISSN 1873-0302, Vol. 51, no 4, p. 481-487Article in journal (Refereed) Published
Abstract [en]

The stability of the weld surface quality resulting from laser–arc hybrid welding of 4 mm thick steel was studied. The trends of stability in terms of top weld width variation were estimated by using design of experiments, where different types of unstable welds were distinguished. High speed imaging of the process supported the interpretation of the trends. High arc voltage and short distance laser–arc has destabilized the process. For a stable process the applied spray mode has caused a short arc and symmetric central drop transfer while for high voltage the arc became long and wide and the drops traveled sideward. The potential and limits of the design of experiments method for such kinds of applications were discussed.

Place, publisher, year, edition, pages
2013. Vol. 51, no 4, p. 481-487
National Category
Manufacturing, Surface and Joining Technology
Research subject
Manufacturing Systems Engineering
Identifiers
URN: urn:nbn:se:ltu:diva-3161DOI: 10.1016/j.optlaseng.2012.10.016ISI: 000314860500021Scopus ID: 2-s2.0-84872937232Local ID: 0f2dcc43-badd-410f-a77e-84146a1adcc5OAI: oai:DiVA.org:ltu-3161DiVA, id: diva2:976017
Note
Validerad; 2013; 20121122 (andbra)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2018-07-10Bibliographically approved

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Frostevarg, JanKaplan, Alexander

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