# Theoretical description of slow non-monotonic relaxation processes in Al-Y melts

Source: [Theoretical description of slow non-monotonic relaxation processes in Al-Y melts](<https://www.sota2.com/research/paper/68fa32fd1e209131ce88c4ac>)

Collection index: [llms.txt](<https://www.sota2.com/research/llms.txt>)

Data updated: 2025-10-24T19:48:24.834Z

Authors: M. G. Vasin, S. G. Menshikova, M. D. Ivshin

Published: 2015-11-21T17:47:15.000Z

## Abstract

The slow non-monotonic relaxation processes, which have been recently fixed in Al-Y melts, are described theoretically. The theoretical description is based on the Cahn-Hilliard theory and functional methods of non-equilibrium dynamics. In terms of the suggested approach the reasons of this relaxation kinetics are non-linearity of the system near to the liquidus line, which sharply increases with Y concentration, and strong initial heterogeneity of the melt on the concentration of Y atoms. According to our analysis one can conclude that the non-monotonic temporal dependence of viscosity is caused by the Ostwald ripening processes in the rich in yttrium areas.

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## Original sources and implementation

[Original paper](<https://arxiv.org/abs/1511.06908>)

[PDF](<https://arxiv.org/pdf/1511.06908.pdf>)