Residual macrostresses in a multipass circumferentially butt-welded P91 ferritic steel pipe have been determined numerically and experimentally. The welded joint in a pipe with an outer diameter of 290 mm and a wall thickness of 55 mm is typical of power generation plant components. An axisymmetric thermomechanical finite element model has been used to predict the resulting residual hoop and axial stresses in the welded pipe. The effects of the austenite to martensite phase transformation have been incorporated into the simulation. Residual stresses have been measured using the X-ray diffraction technique along the outer surface of the pipe and using the deep-hole drilling technique through the wall thickness at the center of the weld. Good correlation has been demonstrated between the residual hoop and the axial stresses obtained numerically and experimentally. The paper demonstrates the importance of using a mixed experimental and numerical approach to determine accurately the residual macrostress distribution in welded components.
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February 2010
Research Papers
A Comparison Between Measured and Modeled Residual Stresses in a Circumferentially Butt-Welded P91 Steel Pipe
A. H. Yaghi,
A. H. Yaghi
Department of Mechanical, Materials and Manufacturing Engineering,
University of Nottingham
, Nottingham NG7 2RD, UK
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T. H. Hyde,
T. H. Hyde
Department of Mechanical, Materials and Manufacturing Engineering,
University of Nottingham
, Nottingham NG7 2RD, UK
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A. A. Becker,
A. A. Becker
Department of Mechanical, Materials and Manufacturing Engineering,
University of Nottingham
, Nottingham NG7 2RD, UK
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W. Sun,
W. Sun
Department of Mechanical, Materials and Manufacturing Engineering,
University of Nottingham
, Nottingham NG7 2RD, UK
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G. Hilson,
G. Hilson
Interface Analysis Centre,
University of Bristol
, Bristol BS2 8BS, UK
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S. Simandjuntak,
S. Simandjuntak
European Technology Development
, 6 Axis Centre, Cleeve Road, Leatherhead, Surrey KT22 7RD, UK
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P. E. J. Flewitt,
P. E. J. Flewitt
Interface Analysis Centre,
University of Bristol
, Bristol BS2 8BS, UK; Department of Physics, H. H. Wills Laboratory, University of Bristol
, Bristol BS2 1TN, UK
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M. J. Pavier,
M. J. Pavier
Department of Mechanical Engineering,
University of Bristol
, Bristol BS8 1TH, UK
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D. J. Smith
D. J. Smith
Department of Mechanical Engineering,
University of Bristol
, Bristol BS8 1TH, UK
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A. H. Yaghi
Department of Mechanical, Materials and Manufacturing Engineering,
University of Nottingham
, Nottingham NG7 2RD, UK
T. H. Hyde
Department of Mechanical, Materials and Manufacturing Engineering,
University of Nottingham
, Nottingham NG7 2RD, UK
A. A. Becker
Department of Mechanical, Materials and Manufacturing Engineering,
University of Nottingham
, Nottingham NG7 2RD, UK
W. Sun
Department of Mechanical, Materials and Manufacturing Engineering,
University of Nottingham
, Nottingham NG7 2RD, UK
G. Hilson
Interface Analysis Centre,
University of Bristol
, Bristol BS2 8BS, UK
S. Simandjuntak
European Technology Development
, 6 Axis Centre, Cleeve Road, Leatherhead, Surrey KT22 7RD, UK
P. E. J. Flewitt
Interface Analysis Centre,
University of Bristol
, Bristol BS2 8BS, UK; Department of Physics, H. H. Wills Laboratory, University of Bristol
, Bristol BS2 1TN, UK
M. J. Pavier
Department of Mechanical Engineering,
University of Bristol
, Bristol BS8 1TH, UK
D. J. Smith
Department of Mechanical Engineering,
University of Bristol
, Bristol BS8 1TH, UKJ. Pressure Vessel Technol. Feb 2010, 132(1): 011206 (10 pages)
Published Online: January 5, 2010
Article history
Received:
October 21, 2008
Revised:
August 11, 2009
Online:
January 5, 2010
Published:
January 5, 2010
Citation
Yaghi, A. H., Hyde, T. H., Becker, A. A., Sun, W., Hilson, G., Simandjuntak, S., Flewitt, P. E. J., Pavier, M. J., and Smith, D. J. (January 5, 2010). "A Comparison Between Measured and Modeled Residual Stresses in a Circumferentially Butt-Welded P91 Steel Pipe." ASME. J. Pressure Vessel Technol. February 2010; 132(1): 011206. https://doi.org/10.1115/1.4000347
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