Thermodynamic study of zinc-rich zinc-sodium alloys

被引：1
|
作者：
Yan, XY [1 ]
Langberg, DE
Rankin, WJ
机构：
[1] Tohoku Univ, Inst Adv Mat Proc, Res Ctr Met Proc Engn, Sendai, Miyagi 98077, Japan
[2] CSIRO Minerals, Clayton, Vic 3169, Australia
来源：
METALLURGICAL AND MATERIALS TRANSACTIONS B-PROCESS METALLURGY AND MATERIALS PROCESSING SCIENCE | 2000年 / 31卷 / 02期
关键词：
Financial support for this work was provided by the Australian Government Cooperative Research Centres Program through the G.K. Williams Cooperative Research Centre for Extractive Metallurgy; a joint venture between the CSIRO Division of Minerals and the Department of Chemical Engineering; The University of Melbourne;
D O I：
10.1007/s11663-000-0062-7
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The activity, activity coefficient and relative partial and excess partial molar Gibbs free energies of sodium in zinc-rich Zn-Na melts were derived from the titration curves at 703 and 738 K. The activities of sodium within the two-phase Zn(l)+NaZn13 (s) region were also determined at the range of 703 to 773 K. Sodium obeys Henry's law in zinc-rich Zn-Na melts at the concentrations up to the phase boundary of solid NaZn13 at 703 and 738 K. A zero value was obtained for the self-interaction coefficient of sodium and this indicates a random distribution for neighboring atoms in zinc-rich Zn-Na melts at 703 and 738 K. The liquidus points in the zinc-rich region of the Na-Zn phase diagram were also determined.
引用
收藏
页码：419 / 424
页数：6
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