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TECHNICAL PAPERS

A Simple Estimating Method for Reduction of Welding Residual Stresses in Thick Welded Joint From Stress-Relief Annealing—Part IV: Applicability of the Simple Estimating Method for Stress-Relief Annealing of Thick Welded Joint

[+] Author and Article Information
Keiji Nakacho

Joining and Welding Research Institute, Osaka University, Ibaraki, Osaka 567-0047, Japane-mail: nakacho@jwri.osaka-u.ac.jp

J. Pressure Vessel Technol 124(2), 207-214 (May 01, 2002) (8 pages) doi:10.1115/1.1398285 History: Received September 17, 1999; Revised June 13, 2001; Online May 01, 2002
Copyright © 2002 by ASME
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References

Figures

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Specimen of thick welded joint for analysis
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Restraint conditions of specimen—(a) restraint condition A, and (b) restraint condition B
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Longitudinal and transverse stresses in thick welded joint after welding and during SR (in the case of restraint condition A)—(a) at the middle cross section (Y=0), and (b) on the top surface (Z=100 mm)
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Longitudinal and transverse stresses in thick welded joint after welding and during SR (in the case of restraint condition B)—(a) at the middle crosssection (Y=0), and (b) on the top surface (Z=100 mm)
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Flow chart of calculation by simple estimating method
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Estimated results of change of welding residual stress during SR (in the case of restraint condition A)—(a) change of the largest welding residual stress σx, and (b) change of the welding residual stress σx at toe of weld
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Estimated results of change of welding residual stress during SR (in the case of restraint condition B)—(a) change of the largest welding residual stress σx, and (b) change of the welding residual stress σx at toe of weld

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