The computer simulation of the boost diffusion oxidation process for the deep-case hardening of titanium alloys

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Abstract

A one-dimensional finite difference diffusion model for simulating the Boost Diffusion Oxidation (BDO) process of titanium alloys is developed and implemented as a window-based program. The program can simulate the BDO process for both constant diffusion coefficient and concentration-dependent diffusion coefficient. It is found that to simulate the BDO process accurately, the concentration dependence of oxygen diffusion has to be taken into account. If the concentration dependence is taken as Shamblen and Redden’s equation, the simulation results agree well with the experimental results.
Original languageEnglish
JournalLe Journal de Physique IV
DOIs
Publication statusPublished - Dec 2004

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