The current paper presents a finite element analysis of an eight-pass groove weld in a 316L austenitic stainless steel plate. A dedicated welding heat source modelling tool was employed to produce volumetric body power density data for each weld pass, thus simulating weld-induced thermal loads. Thermocouple measurements and cross-weld macrographs taken from a weld specimen were used for heat source calibration. A mechanical finite element analysis was then conducted, using the calibrated thermal loads and a Lemaitre-Chaboche mixed work-hardening model. The predicted post-weld residual stresses were validated using contour method measurements: good agreement between measured and simulated residual stress fields was observed. A sensitivity analysis was also conducted to identify the boundary conditions that best represent a tack-welded I-beam support, which was present on the specimen back-face during the welding.
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ASME 2014 Pressure Vessels and Piping Conference
July 20–24, 2014
Anaheim, California, USA
Conference Sponsors:
- Pressure Vessels and Piping Division
ISBN:
978-0-7918-4604-9
PROCEEDINGS PAPER
Finite Element Modelling of Welded Austenitic Stainless Steel Plate With 8-Passes
C. J. Hamelin,
C. J. Hamelin
ANSTO, Sydney, NSW, Australia
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M. D. Olson,
M. D. Olson
University of California, Davis, CA
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M. R. Hill,
M. R. Hill
University of California, Davis, CA
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L. Edwards
L. Edwards
ANSTO, Sydney, NSW, Australia
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V. I. Patel
ANSTO, Sydney, NSW, Australia
O. Muránsky
ANSTO, Sydney, NSW, Australia
C. J. Hamelin
ANSTO, Sydney, NSW, Australia
M. D. Olson
University of California, Davis, CA
M. R. Hill
University of California, Davis, CA
L. Edwards
ANSTO, Sydney, NSW, Australia
Paper No:
PVP2014-28163, V06BT06A054; 6 pages
Published Online:
November 18, 2014
Citation
Patel, VI, Muránsky, O, Hamelin, CJ, Olson, MD, Hill, MR, & Edwards, L. "Finite Element Modelling of Welded Austenitic Stainless Steel Plate With 8-Passes." Proceedings of the ASME 2014 Pressure Vessels and Piping Conference. Volume 6B: Materials and Fabrication. Anaheim, California, USA. July 20–24, 2014. V06BT06A054. ASME. https://doi.org/10.1115/PVP2014-28163
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