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Experimentally determined deformations and stresses in narrow gap and single-U multi-pass butt-welded pipes
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Product and Production Development.ORCID iD: 0000-0001-5493-6873
1991 (English)In: Proceedings of the 10th International Conference on Offshore Mechanics and Arctic Engineering, 1991: presented at the 10th International Conference on Offshore Mechanics and Arctic Engineering, Stavanger, Norway, June 23-28, 1991 / [ed] Mamdouh M. Salama, New York: American Society of Mechanical Engineers , 1991, Vol. 3, p. 17-24Conference paper, Published paper (Refereed)
Abstract [en]

Multi-pass butt-welding of thick walled pipes is studied. Two different groove shapes are used, single-U and narrow gap groove. Strains have been measured on both the pipe outer and inner surfaces during and after welding. Residual stresses and radial deflections have been measured on the outer surface after welding. The measured quantities are compared and discussed for the two different groove shapes. Residual stresses at the weld center and radial deflections were somewhat larger for the narrow gap groove. Furthermore, the residual stress fields for both grooves were found to be rotationally nonsymmetric. The experimentally obtained residual stresses and radial deflections are compared with corresponding analytical and empirical results based on methods from the literature and with numerical results for the same pipe from a separate study. Deviations between the measurements (on OX524D) and the results from the literature are discussed.

Place, publisher, year, edition, pages
New York: American Society of Mechanical Engineers , 1991. Vol. 3, p. 17-24
National Category
Other Mechanical Engineering
Research subject
Computer Aided Design
Identifiers
URN: urn:nbn:se:ltu:diva-39285Local ID: df4f6d90-3013-11de-bd0f-000ea68e967bISBN: 0-7918-0719-3 (print)OAI: oai:DiVA.org:ltu-39285DiVA, id: diva2:1012795
Conference
International Conference on Offshore Mechanics and Arctic Engineering : 23/06/1991 - 28/06/1991
Note
Godkänd; 1991; 20090423 (andbra)Available from: 2016-10-03 Created: 2016-10-03 Last updated: 2018-05-09Bibliographically approved

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Jonsson, MikaelNäsström, Mats

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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
  • rtf