Dependence of the Structure of Segregations on the Excess Volume of Intergranular Boundaries

The work is devoted to the analysis of the nonlinear effects resulting from the influence of excess volumes of intergranular boundaries on the structure of segregations of impurity atoms in polycrystals. It is shown that the adsorption isotherm can describe the nonuniformities in the distribution of...

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Bibliographic Details
Published in:Colloid journal of the Russian Academy of Sciences 2024-04, Vol.86 (2), p.241-247
Main Authors: Lomaev, S. L., Vasil’ev, L. S.
Format: Article
Language:English
Subjects:
Adsorption
Boundaries
Chemistry
Chemistry and Materials Science
Impurities
Intergranular structure
Polycrystals
Polymer Sciences
Segregations
Surfaces and Interfaces
Thin Films
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Summary:The work is devoted to the analysis of the nonlinear effects resulting from the influence of excess volumes of intergranular boundaries on the structure of segregations of impurity atoms in polycrystals. It is shown that the adsorption isotherm can describe the nonuniformities in the distribution of impurity atoms in the plane of an intergranular boundary. This suggests the existence of adsorption sites at the internal boundaries of polycrystals. It is proven that an excess volume of intergranular boundaries is the main parameter determining the magnitude of impurity segregations at the boundaries.
ISSN:1061-933X
1608-3067
DOI:10.1134/S1061933X23601233