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Correlation of Phased Array Inspection and Fatigue Performance of FSW Joints

[+] Author Affiliations
Delphine S. Caravaca, Colin R. Bird, Kathryn Beamish, Stephen Maddox

TWI Ltd., Great Abington, Cambridge, UK

Paper No. OMAE2007-29614, pp. 243-248; 6 pages
  • ASME 2007 26th International Conference on Offshore Mechanics and Arctic Engineering
  • Volume 4: Materials Technology; Ocean Engineering
  • San Diego, California, USA, June 10–15, 2007
  • Conference Sponsors: Ocean, Offshore and Arctic Engineering Division
  • ISBN: 0-7918-4270-3 | eISBN: 0-7918-3799-8
  • Copyright © 2007 by TWI Ltd.


Friction Stir Welding (FSW) of aluminium alloys is now an establish joining technique and there is increasing application of FSW to joining of critical components and structures. Much emphasis has been placed on optimising tool design and process parameters to ensure joint quality but flaws may still be created in the production environment if the limits of the “process window” are exceeded. There is a requirement to understand the type of flaws that may be generated, and their causes, when welding conditions deviate from the optimum. This paper has taken a step forward in NDT knowledge. This paper presents the result of an integrated project correlating NDT performance against fatigue performance for AL 2024 T3 butt welds.

Copyright © 2007 by TWI Ltd.
Topics: Fatigue , Inspection



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