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Through-Thickness Welding Residual Stress Profile in Dissimilar Metal Nozzle Butt Weld

[+] Author Affiliations
Tae-Kwang Song, Ji-Soo Kim, Chang-Young Oh, Hong-Yeol Bae, Jun-Young Jeon, Yun-Jae Kim

Korea University, Seoul, Korea

Young-Suck Chai

Yeungnam University, Gyongsan, Korea

Paper No. PVP2010-25259, pp. 1291-1298; 8 pages
doi:10.1115/PVP2010-25259
From:
  • ASME 2010 Pressure Vessels and Piping Division/K-PVP Conference
  • ASME 2010 Pressure Vessels and Piping Conference: Volume 6, Parts A and B
  • Bellevue, Washington, USA, July 18–22, 2010
  • Conference Sponsors: Pressure Vessels and Piping Division
  • ISBN: 978-0-7918-49255 | eISBN: 978-0-7918-3878-5
  • Copyright © 2010 by ASME

abstract

This paper provides the through-thickness welding residual stress profile in dissimilar metal nozzle butt welds of pressurized water reactors. For systematic investigations of the effects of geometric variables, i.e. the thickness and the radius of the nozzle and the length of the safe end, on welding residual stresses, idealized shape of nozzle is proposed and elastic-plastic thermo-mechanical finite element analyses are conducted. Through-wall welding residual stress profiles for dissimilar metal nozzle butt welds are proposed, which take a modified form of existing welding residual stress profiles developed for austenitic pipe butt weld in R6 code.

Copyright © 2010 by ASME

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