Abstract
NiO scales were formed on pure Ni and Ni-0.1 wt.% Y alloy by oxidation in pure O2 at 1200°C, and the grain boundary self-diffusion coefficients of Ni in the dense region of the scale were measured by the tracer-sectioning technique. The volume diffusion coefficient was also measured in the alloy scale. The grain boundary and volume diffusion coefficients and the grain boundary width were found to be the same for the two materials within the experimental uncertainty.
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Work supported by the Division of Basic Energy Sciences, U.S. Department of Energy.
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Moosa, A.A., Rothman, S.J. & Nowicki, L.J. Effect of yttrium additions to nickel on the volume and grain boundary diffusion of Ni in the scale formed on the alloy. Oxid Met 24, 115–132 (1985). https://doi.org/10.1007/BF00664228
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DOI: https://doi.org/10.1007/BF00664228