Correlation of Self and Solute Diffusion Data with Cohesive Energy

Abstract

The paper discusses the correlation of the diffusion data with cohesive energy. The free energy for self diffusion of metals at the melting point is shown to be a linear function of their cohesive energies. In the case of solute diffusion, it is shown that the excess free energy for impurity-diffusion at the melting point is similarly related to the partical molar free energy of the solute atom as determined on the basis of the Hildebrand’s regular solution model.