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Analysis of Residual Stresses for the Multipass Welds of 316L Stainless Steel Pipe by Neutron Diffraction Method  

김석훈 (한국원자력연구소)
이재한 (한국원자력연구소)
Publication Information
Journal of Welding and Joining / v.21, no.6, 2003 , pp. 64-70 More about this Journal
Abstract
Multipass welds of the 316L stainless steel have been widely employed in the pipes of Liquid Metal Reactor. Owing to localized heating and subsequent rapid cooling by the welding process, the residual stress arises in the weld of the pipe. In this study, the residual stresses in the 316L stainless steel pipe welds were calculated by the finite element method using ANSYS code. Also, the residual stresses both on the surface and in the interior of the thickness were measured by HRPD(High Resolution Powder Diffractometer) instrumented in HANARO Reactor. The experimental data and the calculated results were compared and the characteristics of the distribution of the residual stress discussed.
Keywords
Residual stress; 316L Stainless steel; Neutron diffraction; SMAW; HRPD;
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Times Cited By KSCI : 1  (Citation Analysis)
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