학술논문
Effect of yttrium additions to nickel on the volume and grain boundary diffusion of Ni in the scale formed on the alloy.
Document Type
Article
Author
Source
Subject
Language
ISSN
0030-770X
Abstract
NiO scales were formed on pure Ni and Ni-0.1 wt.% Y alloy by oxidation in pure O 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. [ABSTRACT FROM AUTHOR]