Thermodynamic modelling application for prediction of diffusion formation of supersaturation solution
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Alexey Rodin
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Bright Mween
Abstract
In this paper the effect of diffusion formation of supersaturated solid solution in the Al–Ge system is discussed. It was shown that at relatively low temperatures of diffusion annealing, Ge concentration in Al-based solid solution became higher than the solubility limit at given temperatures. The maximal concentration of Ge was determined by extrapolation of the diffusion profile on the Ge/Al interface. Analysis of diffusivity of Al in Ge allowed to suggest that slow diffusion in Ge restricts the formation of Ge-based solid solution. Qualitative approach confirmed this suggestion.
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Research ethics: Not applicable.
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Author contributions: Alexey Rodin – general concept, writing and editing text, main calculation, Bright Mween – main thermodynamic modelling, comparison with different data, Alexandra Khvan – formulation of thermodynamic approach, analysis of thermodynamic results, Tatiana Lepkova and Natali Goreslavetz – diffusion experimentes and mathematical treatment of the diffusion results. The authors have accepted responsibility for the entire content of this manuscript and approved its submission.
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Competing interests: The authors state no conflict of interest.
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Research funding: None declared.
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Data availability: Not applicable.
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Articles in the same Issue
- Frontmatter
- Editorial
- Special issue in memory of Prof. Wolfgang Gust
- Review
- Atomic-level mechanisms of short-circuit diffusion in materials
- Original Papers
- Grain boundary diffusion and grain boundary phase transition in tungsten in the temperature range of activated sintering
- Intrinsic heterogeneity of grain boundary phase transitions in the Cu–Bi system: insights from grain boundary diffusion measurements
- Dewetting upside-down: two-sided solid state dewetting of thin gold film on soft KBr substrate
- Magnetic properties of NdFeB-based alloy under high-pressure torsion
- Thermodynamic modelling application for prediction of diffusion formation of supersaturation solution
- News
- DGM – Deutsche Gesellschaft für Materialkunde
Articles in the same Issue
- Frontmatter
- Editorial
- Special issue in memory of Prof. Wolfgang Gust
- Review
- Atomic-level mechanisms of short-circuit diffusion in materials
- Original Papers
- Grain boundary diffusion and grain boundary phase transition in tungsten in the temperature range of activated sintering
- Intrinsic heterogeneity of grain boundary phase transitions in the Cu–Bi system: insights from grain boundary diffusion measurements
- Dewetting upside-down: two-sided solid state dewetting of thin gold film on soft KBr substrate
- Magnetic properties of NdFeB-based alloy under high-pressure torsion
- Thermodynamic modelling application for prediction of diffusion formation of supersaturation solution
- News
- DGM – Deutsche Gesellschaft für Materialkunde
