Residual stress distributions in ferritic steel T-plate weldments have been obtained using the neutron diffraction method. It is shown that the transverse residual stress distribution for two plates of different yield strength are of similar shape and magnitude when normalized appropriately and peak stresses are on the order of the material yield strength. The resultant linear elastic stress intensity factors for these stress distributions have been obtained using the finite element method. It has been shown that the use of the recommended residual stress distributions in UK structural integrity procedures leads to a conservative assessment. The stress intensity factors for the welded T-plate have been shown to be very similar to those obtained using a smooth edge cracked plate subjected to the same local stress field.
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November 2004
Research Papers
Stress Intensity Factors Due to Residual Stresses in T-Plate Welds
Noel P. O’Dowd,
e-mail: n.odowd@imperial.ac.uk
Noel P. O’Dowd
Department of Mechanical Engineering, Imperial College London, South Kensington Campus, London SW7 2AZ, United Kingdom
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Kamran M. Nikbin,
Kamran M. Nikbin
Department of Mechanical Engineering, Imperial College London, South Kensington Campus, London SW7 2AZ, United Kingdom
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Hyeong Y. Lee,
Hyeong Y. Lee
Korea Atomic Energy Research Institute, Dukjindong 150 Yuseong, 305-606, South Korea
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Robert C. Wimpory,
Robert C. Wimpory
JRC-European Commission Institute for Energy, Westerduinweg 3, 1755 LE, Petten, The Netherlands
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Farid R. Biglari
Farid R. Biglari
Department of Mechanical Engineering, Amirkabir University of Technology, Hafez Avenue, Tehran, Iran
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Noel P. O’Dowd
Department of Mechanical Engineering, Imperial College London, South Kensington Campus, London SW7 2AZ, United Kingdom
e-mail: n.odowd@imperial.ac.uk
Kamran M. Nikbin
Department of Mechanical Engineering, Imperial College London, South Kensington Campus, London SW7 2AZ, United Kingdom
Hyeong Y. Lee
Korea Atomic Energy Research Institute, Dukjindong 150 Yuseong, 305-606, South Korea
Robert C. Wimpory
JRC-European Commission Institute for Energy, Westerduinweg 3, 1755 LE, Petten, The Netherlands
Farid R. Biglari
Department of Mechanical Engineering, Amirkabir University of Technology, Hafez Avenue, Tehran, Iran
Contributed by the Pressure Vessels and Piping Division for publication in the JOURNAL OF PRESSURE VESSEL TECHNOLOGY. Manuscript received by the PVP Division May 11, 2004; revision received July 30, 2004. Editor: S. Y. Zamrik.
J. Pressure Vessel Technol. Nov 2004, 126(4): 432-437 (6 pages)
Published Online: December 1, 2004
Article history
Received:
May 11, 2004
Revised:
July 30, 2004
Online:
December 1, 2004
Citation
O’Dowd, N. P., Nikbin , K. M., Lee, H. Y., Wimpory, R. C., and Biglari, F. R. (December 1, 2004). "Stress Intensity Factors Due to Residual Stresses in T-Plate Welds ." ASME. J. Pressure Vessel Technol. November 2004; 126(4): 432–437. https://doi.org/10.1115/1.1804199
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