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

页码：419 / 424

页数：6

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