"A mathematical model for internal oxidation" by K. M. Vedula, A. W. Funkenbusch et al.
 

A mathematical model for internal oxidation

Document Type

Article

Publication Date

12-1981

Department

Department of Materials Science and Engineering

Abstract

A mathematical model for internal oxidation kinetics was developed using numerical methods (finite difference) and computer techniques. The flexibility of the model permitted analysis of semi-infinite and finite situations with planar, cylindrical, and spherical geometries for systems with various amounts of local solute enrichment. Graphical results are presented for subscale thickness as a function of time and local enrichment as a function of position in the subscale. The model is also applied to internal oxidation with a discontinuous change in surface oxygen concentration; a graphical solution encompassing a wide range of possible experimental conditions is presented. The use of the model in analyzing nonisothermal internal oxidation problems is demonstrated.

Publication Title

Oxidation of Metals

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