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FEM Analysis of Plasticity-induced Error on Measurement of Welding Residual Stress by the Contour Method  

Shin, Shang-Hyon (Department of Marine Engineering System, Mokpo Maritime University)
Publication Information
Journal of Mechanical Science and Technology / v.19, no.10, 2005 , pp. 1885-1890 More about this Journal
Abstract
The contour method relies on deformations that occur when a residually stressed component is cut along a plane. The method is based on the elastic superposition principle. When plasticity is involved in the relaxation process, stress error in the resulting measurement of residual stress would be caused. During the cutting the specimen is constrained at a location along the cut so that deformations are restrained as much as possible during cutting. With proper selection of the constraining location the plasticity effect can also be minimized. Typical patterns of longitudinal welding residual stress state were taken to assess the plasticity effect along with constraining locations.
Keywords
Residual Stress; Contour Method; Plasticity Effect; Stress Error;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
Times Cited By Web Of Science : 4  (Related Records In Web of Science)
Times Cited By SCOPUS : 7
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