Viscosity of Al-Ni and Al-Co melts in the Al-rich area

The temperature and concentration dependencies of viscosity (v) of liquid alloys of binary Al-Ni and Al-Co systems, with the Al content of more than 90 at.% have been studied (from here on the alloying element concentration is given in at.%). It has been found that the viscosity polytherms of the me...

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Bibliographic Details
Published in:Physics and chemistry of liquids 2014-01, Vol.52 (1), p.46-54
Main Authors: Lad'yanov, V.I., Bel'tyukov, A.L., Menshikova, S.G., Korepanov, A.U.
Format: Article
Language:English
Subjects:
Alloys
Aluminum
concentration dependence
energy of viscous flow activation
melt
polytherms
viscosity
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Summary:The temperature and concentration dependencies of viscosity (v) of liquid alloys of binary Al-Ni and Al-Co systems, with the Al content of more than 90 at.% have been studied (from here on the alloying element concentration is given in at.%). It has been found that the viscosity polytherms of the melts containing 2.7% to 5% of Ni and 0.01% to 1.5% of Co deviate from the Arrhenius dependence. The non-monotonic dependencies of viscosity and the energy of viscous flow activation of the Al-Ni melts and the liquid Al-Co melts in the vicinity of the liquidus line on the alloying element concentration have been obtained.
ISSN:0031-9104
1029-0451
DOI:10.1080/00319104.2013.793599