The peculiarities of interdiffusion in ternary systems were analyzed. An algorithm was proposed for the choice of diffusion path in the case where several regimes were possible. A self-consistent model was suggested for determining phase diagrams and diffusion paths by using the same pair potentials.

Interdiffusion and Instabilities in Ternary Systems. Y.A.Lyashenko, S.V.Kornienko: Solid State Phenomena, 2000, 72, 135-40