The H diffusion coefficient in short-range ordered binary alloys and disordered ternary alloys was predicted. A set of equations was developed that gave the H diffusion coefficient in terms of the H coefficients in the pure metal constituents.

Hydrogen Diffusion Coefficient in Binary and Ternary Alloys. A.N.Voloshinskii, V.V.Kondratev, A.G.Obukhov, N.I.Timofeev: Physics of Metals and Metallography, 1998, 85[3], 336-41