Distributions of Welding Residual Stresses in Various Welded Joints of Thick Plates(Welding Mechanics, Strength & Design)

概要

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It was ten and several years ago that the authors developed a theory and a method for theoretical analysis of welding transient and residual stresses produced in a multi-pass welded joint of a very thick plate. Several years later, they also proposed and established a general measuring theory for experimental measurement of three-dimensional residual stresses. Henceforth, using these methods, they have obtained transient and residual stresses produced in many kinds of welded joints. In this paper, these calculated and measured results being summarized, residual stresses of thick plates due to multi-pass welding are synthetically studied and discussed on the characteristics of distributions, the correlation with cold cracking, the mechanism of production, etc.
大阪大学の論文