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http://dx.doi.org/10.5695/JKISE.2013.46.2.087

Viscosities of LaCl3-CsCl Binary Melts  

Kim, Kiho (Department of New Materials Eng., Chungbuk National University)
Publication Information
Journal of the Korean institute of surface engineering / v.46, no.2, 2013 , pp. 87-92 More about this Journal
Abstract
Viscosities of $LaCl_3$-CsCl binary melts were measured by the capillary method over the range of their liquidus temperatures to about 1200 K. The cell constant were determined by using pure water. The results obtained are summerized as follows: Viscosities of melted $LaCl_3$ were decreased with the content of CsCl for all over the composition range of binary melts. Composition versus viscosity relation for the binary melt showed a non-linear relationship from the additivity line and the deviations showed a maximum value at about 60 mol% CsCl. This suggest the existence of the complex ion of $LaCl_4{^-}$ in the melt. Activation energy for the viscous flow of the binary melts decreased monotonously with the increasing content of CsCl after a few increasement till 40 mol% CsCl. All of these results were the resemble with the viscosities of $LaCl_3$-NaCl binary melts.
Keywords
Viscosity; $LaCl_3$-CsCl binary melts; Capillary method; Complex ion of $LaCl_4{^-}$; Activation energy;
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