Abstract
The PyTiOx numerical tool was designed to model the high-temperature oxidation of titanium alloys by solving diffusion equations in a 1D finite size metal/oxide system with a moving metal|oxide interface. Input parameters were selected to investigate Ti6242s alloy oxidation. PyTiOx overcomes certain limitations compared with analytical models, which can study different quantitative effects on both oxide scaling kinetics and oxygen diffusion in the alloy, such as nominal O concentration, thin samples and non-isothermal conditions. It also gives life span estimates. Calculations with non-isothermal conditions revealed the possible existence of a transient, oxide scale reduction regime after a drop in temperature.
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