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Chemical compound formation and diffusion – as parallel processes in grain boundary

Material Science & Engineering International Journal
Petelin AL, Bokstein BS, Novikov AA, Novikova EA

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The new model of grain boundary diffusion is developed taking into account the simultaneous grain boundary diffusion (in Fisher-Gibbs approximation) and chemical interaction, which leads to the formation of the molecules MN type in binary system. The evaluation is made of “reaction” effect on the rate of the whole process.