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Temperature and Strain History Measurement During an Arc Welding Process

[+] Author Affiliations
Mohammad S. Davoud

Georgia Southern University

Paper No. IMECE2005-80477, pp. 435-443; 9 pages
  • ASME 2005 International Mechanical Engineering Congress and Exposition
  • Innovations in Engineering Education: Mechanical Engineering Education, Mechanical Engineering/Mechanical Engineering Technology Department Heads
  • Orlando, Florida, USA, November 5 – 11, 2005
  • Conference Sponsors: Mechanical Engineering Education
  • ISBN: 0-7918-4232-0 | eISBN: 0-7918-3769-6
  • Copyright © 2005 by ASME


Evaluation of weld temperature field history, strain field history, and residual stress distribution are essential in predicting the performance of weldment during service. During an arc welding process electromagnetic field, radiation, and high temperature gradient away from the centerline of weldment affects measurement of temperature and strain history. The important and critical issues regarding temperature history measurement using thermocouples and strain history measurement using strain gages during the Gas Metal Arc Welding (GMAW) process are explored and overviewed. Guidance is provided to properly select sensors and to reduce the measurement errors in such severe environments during GMAW. Results of experimental temperature and strain history during GMAW are presented.

Copyright © 2005 by ASME



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