Abstract
between theoretical curves and experimental data validates the modified model developed in the present work. The estimations of the diffusivity, reactive rate constant, and adjustable parameter, together with the characteristic attenuation length are presented. The dependencies of those coefficients upon translational kinetic energy, flux, temperature, as well as the tangential flux of atomic-oxygen are explained. In addition, a procedure for evaluating time evolution of oxide-layer thickness by extending the curve fitting is proposed and demonstrated. The procedure would be a useful tool for predicting protective film thickness against the atomic-oxygen reacting with spacecraft surface materials in low Earth orbit.
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