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Internal oxidation of ternary alloys. Part II: Kinetics in the presence of an external scale

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Abstract

Classic kinetics equations of internal oxidation of binary alloys associated with the formation of an external oxide scale of the base metal have been simplified by applying mathematical asymptotical analysis. An analysis for the case of ternary alloys is also presented. The analysis involves simultaneous internal oxidation of the two solutes in the ternary alloys below the external oxide scale of the base metal. The kinetics equations derived are applied to calculate depths of internal oxidation zones of Ni-4 at.% Al-1 at.% Si alloys oxidized in 760 torr of oxygen at 800°C.

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Guan, S.W., Yi, H.C. & Smeltzer, W.W. Internal oxidation of ternary alloys. Part II: Kinetics in the presence of an external scale. Oxid Met 41, 389–400 (1994). https://doi.org/10.1007/BF01113373

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  • DOI: https://doi.org/10.1007/BF01113373

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