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TECHNICAL PAPERS

Effects of Repair Weld Length on Residual Stress Distribution

[+] Author and Article Information
P. Dong, J. Zhang

Center for Welded Structures Research, Battelle Memorial Institute, Columbus, OH 43201-2693

P. J. Bouchard

British Energy, Gloucester, UK

J. Pressure Vessel Technol 124(1), 74-80 (Aug 31, 2001) (7 pages) doi:10.1115/1.1429230 History: Received February 15, 2001; Revised August 31, 2001
Copyright © 2002 by ASME
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References

Dunn, J., MacGuigan, J., McLean, R. J., Miles, L., and Stevens, R. A., 1998, “Investigation and Repair of a Leak at a High Temperature Stainless Steel Butt Weld,” Proc. Int. Conf. Integrity of High Temperature Welds, pp. 241–258, Prof. Eng. Pub, London, UK.
Dong,  P., Hong,  J. K., Zhang,  J., Roger,  P., Bynum,  J., and Shah,  S., 1998, “Effects of Repair Weld Residual Stresses on Wide-Panel Specimens Loaded in Tension,” ASME J. Pressure Vessel Technol., 120, pp. 122–128.
Edwards, L., Bouchard, P. J., Dutta, M., and Fitzpatrick, M. E., 1998, “Direct Measurement of Residual Stresses at a Repair Weld in an Austenitic Steel Tube,” Proc. Conf. on Integrity of High Temperature Welds, Proc. Inst. Mech. Eng., pp. 181–191.
George, D., Smith, D. J., and Bouchard, P. J., 1999, “Evaluation of Through Wall Residual Stresses in Stainless Steel Repair Welds,” Proc. Fifth European Conf. on Residual Stresses (ECRS5), Delft-Noordwijkerhout, The Netherlands.
Zhang, J., Dong, P., and Brust, F. W., 1997, “A 3-D Composite Shell Element Model for Residual Stress Analysis in Multi-Pass Welds,” Trans. 14th Int. Conf. on Structural Mechanics in Reactor Technology, SMiRT 14, Lyon, France, 1 , pp. 335–344.
ABAQUS/Standard User Manual (Version 5.8), Vol. I, II, III, Hibbit, Karlsson & Sorensen, Inc. 1998.
Brust, F. W., Dong, P., and Zhang, J., 1997, “A Constitutive Model for Welding Process Simulation using Finite Element Methods,” Advances in Computational Engineering Science, eds., S. N. Atluri and G. Yagawa, pp. 51–56.
Rosenthal, D., 1941, “Mathematical Theory of Heat Distribution During Welding and Cutting,” Welding Journal Research Supplement, pp. 220–234.
Kasuya,  T., and Yurioka,  N., 1993, “Prediction of Welding Thermal History by Comprehensive Solution,” Weld. J. (Miami), 72(3), pp. 107–115S.
Rykalin, N. N., and Nikolaev, A. V., 1971, “Welding Arc Heat Flow,” Welding in the World.
Cao,  Z., Dong,  P., and Brust,  F. W., 2000, “A Fast Thermal Solution Procedure for Analyzing 3D Multi-Pass Welded Structures,” Weld. Res. Counc. Bull., 455, pp. 12–21.
Dong,  P., and Brust,  F. W., 2000, “Welding Residual Stresses and Effects in Fracture in Pressure Vessel and Piping Components: A Millennium Review and Beyond,” ASME J. Pressure Vessel Technol., The Millennium Issue122, pp. 329–338.
Dong,  P., 2001, “Residual Stress Analyses of a Multi-Pass Girth Weld: 3-D Special Shell Versus Axisymmetric Models,” ASME J. Pressure Vessel Technol., 207, May, pp. 207–213.
Edwards, L., Bruno, G., Dutta, M., Bouchard, P. J., Abbott, K. L., and Peng, L., 2000, “Validation of Residual Stress Predictions for a 19mm Thick J-Preparation Stainless Steel Pipe Girth Weld using Neutron Diffraction,” Proc. Sixth Int. Conf. on Residual Stresses (ICRS6), July, Oxford, UK, pp. 1519–1526.
Dong,  P., and Zhang,  J., 1999, “Residual Stresses in Strength-Mismatched Welds and Implications on Fracture Behavior,” Eng. Fract. Mech., 64, pp. 485–505.
Zhang,  J., Dong,  P., Brust,  F. W., Shack,  W. J., Mayfield,  M. E., and McNeil,  M., 2000, “Modeling of Weld Residual Stresses in Core Shroud Structures,” Nucl. Eng. Des., 195, pp. 171–187.

Figures

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Illustration of the basic concept of a special 3-D composite shell model
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Mathematical structure of a weld material routine
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3-D composite shell element model for pipe repair welds
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Composite shell section definition for pipe repair welds
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Temperature distributions during pipe repair welding (medium repair length)
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Axial residual stress distributions on the pipe outer surface
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Circumferential variations in axial residual stresses
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Axial variations in axial residual stresses at repair center
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Comparison of axial residual stresses with and without original weld effects (medium repair length)—(a) with original residual stress, (b) without original residual stress
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3-D deformation characteristics of pipe repair welds
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Through-wall hoop residual stresses in the HAZ at midlength of a short (20 deg arc), centrally embedded, 75 percent thickness, weld repair to a 35-mm-thick stainless steel girth weld
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Through-wall axial residual stresses in the HAZ at midlength of a short (20 deg arc), centrally embedded, 75 percent thickness, weld repair to a 35-mm-thick stainless steel girth weld

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