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Combination of laser keyhole and conduction welding: Dissimilar laser welding of niobium and Ti-6Al-4V
Department of Materials Engineering, Tarbiat Modares University, Department of Materials Science and Engineering,Tarbiat Modares University.
Department of Materials Engineering, Tarbiat Modares University, Department of Materials Science and Engineering,Tarbiat Modares University.
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Product and Production Development.ORCID iD: 0000-0002-3569-6795
2016 (English)In: Optics and lasers in engineering, ISSN 0143-8166, E-ISSN 1873-0302, Vol. 79, p. 9-15Article in journal (Refereed) Published
Abstract [en]

Pulsed Nd:YAG laser welding of pure niobium plate to titanium alloy Ti-6Al-4V sheet in butt joint is studied regarding the laser/metal interaction modes. To obtain the optimized process parameters in dissimilar welding of Ti-6Al-4V/Nb, the melting ratio of laser beam energy for each weld counterpart is evaluated experimentally. Different laser welding modes of keyhole and conduction are predicted regarding the absorbed energy from the similar laser pulses on each weld counterpart. Laser keyhole and conduction welding were observed simultaneously through direct visualization of laser interaction with dissimilar metals using High Speed Imaging (HSI) system.

Place, publisher, year, edition, pages
2016. Vol. 79, p. 9-15
National Category
Manufacturing, Surface and Joining Technology
Research subject
Manufacturing Systems Engineering
Identifiers
URN: urn:nbn:se:ltu:diva-6471DOI: 10.1016/j.optlaseng.2015.11.001ISI: 000369558900002Scopus ID: 2-s2.0-84949471144Local ID: 4b27abcd-4a41-4fde-a814-46a68f0a8cfeOAI: oai:DiVA.org:ltu-6471DiVA, id: diva2:979356
Note
Validerad; 2016; Nivå 2; 20151207 (andbra)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2018-07-10Bibliographically approved

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Kaplan, Alexander

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