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TVT, 2016, Volume 54, Issue 5, Pages 707–715 (Mi tvt8395)  

Thermophysical Properties of Materials

Viscosity of liquid $ Al$–$\rm Co$ alloys with a cobalt content up to $15$ at $%$

A. L. Bel'tyukova, S. G. Men'shikovaa, V. I. Lad'yanova, A. Yu. Korepanovb

a Physical-Technical Institute of the Ural Branch of the Russian Academy of Sciences
b Udmurt State University, Izhevsk

Abstract: By means of the torsional vibrations method, the temperature dependences (from the liquidus up to $1200^{\circ}$C) of the kinematic viscosity of liquid aluminum and $ Al$–$\rm Co$ melts with a cobalt content up to $15$ at $%$ were obtained. For all the liquid alloys investigated, the temperature dependences of the viscosity obtained in the heating and cooling regimes coincide. The temperature dependences were approximated by the Arrhenius equation. For liquid aluminum and melts with a cobalt content below $1.4$ at $%$ inclusive, a viscosity polytherm deviation from the Arrhenius dependence was discovered. The viscosity dependences on the concentration at a fixed temperature and the activation energy of the viscous flow were plotted. An increase in the cobalt content in the melt results in an increase in the viscosity and the activation energy of the viscous flow values.

Funding Agency Grant Number
Russian Foundation for Basic Research 15-02-06288
Ural Branch of the Russian Academy of Sciences 15-17-2-9
This work was supported by the Russian Foundation for Basic Research (project no. 15-02-06288a) and Fundamental Research Project of Ural Branch of Russian Academy of Sciences (project no. 15-17-2-9).


DOI: https://doi.org/10.7868/S0040364416050070

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English version:
High Temperature, 2016, 54:5, 667–674

Bibliographic databases:

UDC: 532.13+546.6273
Received: 03.03.2015
Accepted:16.06.2015

Citation: A. L. Bel'tyukov, S. G. Men'shikova, V. I. Lad'yanov, A. Yu. Korepanov, “Viscosity of liquid $ Al$–$\rm Co$ alloys with a cobalt content up to $15$ at $%$”, TVT, 54:5 (2016), 707–715; High Temperature, 54:5 (2016), 667–674

Citation in format AMSBIB
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\paper Viscosity of liquid $\rm Al$--$\rm Co$ alloys with a cobalt content up to $15$ at $\%$
\jour TVT
\yr 2016
\vol 54
\issue 5
\pages 707--715
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\crossref{https://doi.org/10.7868/S0040364416050070}
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\jour High Temperature
\yr 2016
\vol 54
\issue 5
\pages 667--674
\crossref{https://doi.org/10.1134/S0018151X16050072}
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