Abstract
Diffusion bonding is a solid state welding process useful for joining similar and dissimilar metals. In the present paper, the interdiffusion occurring during the diffusion bonding of Al to Zn, Al to Mg, and one Ni base alloy to another was investigated. The composition profiles across the interface, the thickness of the diffusion layer and the growth of phases at the interface were computed using the diffusion software Pandiffusion and the thermodynamic and kinetic databases of Pandat. The calculated results agreed well with existing experimental data. Thus, it was demonstrated that these software and databases can be useful for studying diffusion bonding and reducing the number of trial-and-error experiments.
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