Fatigue Strength of High Manganese Non-magnetic Steel and Carbon Steel Welded Butt Joints : Investigation for Applying Dissimilar Materials to Steel Structures (Report II)(Mechanics, Strength & Structure Design)

概要

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The fatigue strength of a dissimilar material welded butt joints of high manganese non-magnetic steel and SS400 carbon steel (hereafter referred to as DMW joints) was almost the same with that of a welded butt joints of similar SS400 carbon steel. The fatigue strength of the DMW joints exceeded the fatigue design standard curve of JSSC (Japanese Society of Steel Construction) for SS400 carbon steel welded butt joints. From the viewpoint of the fatigue design, the DMW joints could be treated the same as welded butt joints of similar SS400 carbon steel in which the strength was lower than that of high manganese non-magnetic steel, Significant hardening or softening was not found in the heat affected zone.
大阪大学の論文