dc.contributor.author |
Khusnutdinoff R. |
|
dc.contributor.author |
Mokshin A. |
|
dc.contributor.author |
Menshikova S. |
|
dc.contributor.author |
Beltyukov A. |
|
dc.contributor.author |
Ladyanov V. |
|
dc.date.accessioned |
2018-09-19T20:51:49Z |
|
dc.date.available |
2018-09-19T20:51:49Z |
|
dc.date.issued |
2016 |
|
dc.identifier.issn |
1063-7761 |
|
dc.identifier.uri |
https://dspace.kpfu.ru/xmlui/handle/net/143356 |
|
dc.description.abstract |
© 2016, Pleiades Publishing, Inc.The atomic dynamics of the binary Al100–xCux system is simulated at a temperature T = 973 K, a pressure p = 1.0 bar, and various copper concentrations x. These conditions (temperature, pressure) make it possible to cover the equilibrium liquid Al100–xCux phase at copper concentrations 0 ≤ x ≤ 40% and the supercooled melt in the concentration range 40% ≤ x ≤ 100%. The calculated spectral densities of the time correlation functions of the longitudinal (Formula Presented) (k, ω) and transverse (Formula Presented) (k, ω) currents in the Al100–xCux melt at a temperature T = 973 K reveal propagating collective excitations of longitudinal and transverse polarizations in a wide wavenumber range. It is shown that the maximum sound velocity in the vL(x) concentration dependence takes place for the equilibrium melt at an atomic copper concentration x = 10 ± 5%, whereas the supercooled Al100–xCux melt saturated with copper atoms (x ≥ 40%) is characterized by the minimum sound velocity. In the case of the supercooled melt, the concentration dependence of the kinematic viscosity ν(x) is found to be interpolated by a linear dependence, and a deviation from the linear dependence is observed in the case of equilibrium melt at x < 40%. An insignificant shoulder in the ν(x) dependence is observed at low copper concentrations (x < 20%), and it is supported by the experimental data. This shoulder is caused by the specific features in the concentration dependence of the density ρ(x). |
|
dc.relation.ispartofseries |
Journal of Experimental and Theoretical Physics |
|
dc.title |
Viscous and acoustic properties of AlCu melts |
|
dc.type |
Article |
|
dc.relation.ispartofseries-issue |
5 |
|
dc.relation.ispartofseries-volume |
122 |
|
dc.collection |
Публикации сотрудников КФУ |
|
dc.relation.startpage |
859 |
|
dc.source.id |
SCOPUS10637761-2016-122-5-SID84976620208 |
|