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TECHNICAL PAPERS

Residual Stress Distribution Depending on Welding Sequence in Multi-Pass Welded Joints With X-Shaped Groove

[+] Author and Article Information
Masahito Mochizuki

Department of Manufacturing Science, Graduate School of Engineering, Osaka University, 2-1, Yamada-oka, Suita, Osaka 565-0871, Japan; formerly, Hitachi, Ltd. e-mail: mmochi@mapse.eng.osaka-u.ac.jp

Makoto Hayashi, Toshio Hattori

Hitachi, Ltd., Tsuchiura, Ibaraki 300-0013, Japan

J. Pressure Vessel Technol 122(1), 27-32 (Oct 11, 1999) (6 pages) doi:10.1115/1.556142 History: Received September 16, 1998; Revised October 11, 1999
Copyright © 2000 by ASME
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References

Figures

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Configuration of a large-diameter multi-pass butt-welded pipe joint and its cross section
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Welding sequences of a multi-pass welded pipe joint
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Comparison of circumferential residual stress on the inner surface in multi-pass welded pipe joints
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Comparison of circumferential residual stress on the outer surface in multi-pass welded pipe joints
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Comparison of circumferential residual stress across through-thickness along the heat-affected zone in multi-pass welded pipe joints
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Comparison of axial residual stress on the inner surface in multi-pass welded pipe joints
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Comparison of axial residual stress on the outer surface in multi-pass welded pipe joints
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Comparison of axial residual stress across through-thickness along the heat-affected zone in multi-pass welded pipe joints
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Production mechanism of axial residual stress by axial shrinkage of the welding deposit in a multi-pass welded pipe joint (Case 6 sequence in Fig. 2)
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Production mechanism of axial residual stress by bending deformation of the pipe in a multi-pass welded pipe joint (Case 6 sequence in Fig. 2)
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Production mechanism of axial residual stress as the results of axial shrinkage and bending deformation in a multi-pass welded pipe joint (Case 6 sequence in Fig. 2)
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Production mechanism of axial residual stress as the results of axial shrinkage and bending deformation in a multi-pass welded pipe joint (Case 1 sequence in Fig. 2)

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