被覆剤より熔着金属への Si の還元に関する二三の冶金的考察(第 1 報)

概要

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About 20 kinds of Ilmenite and Rutile type electrodes were tentatively produced and, with them, the phenomenon of SiO_2 content of flux being reduced to Si and transferred to deposited metal was metallurgically studied. The results are summarized as follows : 1) The tendency of Si increase and Mn decrease differs depending on whether the slag is saturated with SiO_2 or not saturated. 2) Referring to F. Korber's Equilibrium Diagram for the point immediately above the solidifying point of iron, the boundary line between Field I and II seems to be shifted to upper level. 3) The relations between apparent equilibrium constants and SiO_2 content of slag and between basicity of slag and Si reduction were also studied. 4) Change of the mechanical properties of deposited metal with variation of SiO_2 and Fe-Mn content in flux and appearance of fractured surface were also investigated.
社団法人溶接学会の論文
1956-12-25