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The influence of the joint gap on the strength of hybrid Nd:YAG laser-MIG welds
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Product and Production Development.ORCID iD: 0000-0002-3569-6795
Luleå University of Technology, Department of Engineering Sciences and Mathematics.
2006 (English)In: Peer reviewed conference proceedings: PICALO 2006, 2nd Pacific International Conference on Applications of Lasers and Optics : April 3 - 5, 2006, Grand Hyatt Melbourne, Melbourne, Australia / [ed] Milan Brandt, Orlando, Fla.: Laser institute of America , 2006, p. 169-173Conference paper, Published paper (Refereed)
Abstract [en]

This paper presents the results of an experimental and theoretical analysis of the effect of joint gap on the strength of hybrid laser-MIG welds. The welds were of the partial penetration butt type with various joint gaps but identical weld penetration. Impact testing established that a zero gap gave a weak weld because the weld geometry contained the equivalent of a sharp crack where the unwelded parts met each other. A small gap between the workpieces improved the weld impact strength as the sharp crack effect became dissipated. Further increases in gap width resulted in a weakening of the joint and this is the subject of a discussion on joint gap optimization

Place, publisher, year, edition, pages
Orlando, Fla.: Laser institute of America , 2006. p. 169-173
National Category
Manufacturing, Surface and Joining Technology
Research subject
Manufacturing Systems Engineering
Identifiers
URN: urn:nbn:se:ltu:diva-32723Local ID: 74bf8890-dd16-11db-9cae-000ea68e967bISBN: 0-912035-84-6 (electronic)OAI: oai:DiVA.org:ltu-32723DiVA, id: diva2:1005957
Conference
Pacific International Conference on Applications of Lasers and Optics : 03/04/2006 - 05/04/2006
Note
Godkänd; 2006; 20070328 (cira)Available from: 2016-09-30 Created: 2016-09-30 Last updated: 2017-11-25Bibliographically approved

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Wouters, MarcKaplan, AlexanderPowell, John

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CiteExportLink to record
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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
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