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High speed video analysis of melt flow inside fiber laser welding keyholes
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
2011 (English)In: Congress proceedings ICALEO: 30th International Congress on Applications of Lasers & Electro-Optics : October 23-27, 2011, Orlando, Fl., Laser institute of America , 2011, p. 221-226Conference paper, Published paper (Refereed)
Abstract [en]

A high speed video survey of melt flow within fiber laser welding keyholes has revealed a number of interesting observations about the mechanics of weld formation. Using Streak Images and FFT (Fast Fourier Transform) techniques to interpret the video results, quantitative values of fluid flow velocities down the keyhole front have been established. The results have lead to a phenomenological understanding of some of the quality problems which arise at high welding speeds -such as undercut and humping.

Place, publisher, year, edition, pages
Laser institute of America , 2011. p. 221-226
National Category
Manufacturing, Surface and Joining Technology
Research subject
Manufacturing Systems Engineering
Identifiers
URN: urn:nbn:se:ltu:diva-29285Local ID: 2b4d8274-1968-46b0-a344-c3f17d346ff7OAI: oai:DiVA.org:ltu-29285DiVA, id: diva2:1002508
Conference
International Congress on Applications of Lasers & Electro-Optics : 23/10/2011 - 27/10/2011
Note
Godkänd; 2011; Bibliografisk uppgift: 1 CD-ROM; 20111215 (andbra)Available from: 2016-09-30 Created: 2016-09-30 Last updated: 2017-11-25Bibliographically approved

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Eriksson, IngemarPowell, JohnKaplan, Alexander

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Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf