Measurement of solid-liquid interfacial energy for solid Zn in the Zn-Cd eutectic system

被引：25
作者：
Meydaneri, F.
Saatci, B. [1 ]
Gunduz, M.
Ozdemir, M.
机构：
[1] Erciyes Univ, Fac Arts & Sci, Dept Phys, Kayseri, Turkey
[2] Erciyes Univ, Fac Arts & Sci, Dept Chem, Kayseri, Turkey
来源：
SURFACE SCIENCE | 2007年 / 601卷 / 10期
关键词：
Zn-Cd alloy; Gibbs-Thomson coefficient; solid-liquid interface energy; grain boundary energy;
D O I：
10.1016/j.susc.2007.03.007
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The equilibrated grain boundary groove shapes for the Zn solid solution in Zn-Cd liquid solutions were directly observed. From the observed grain boundary groove shapes, the Gibbs-Thomson coefficient for solid Zn (Zn-15 wt.% Cd) in Zn-Cd liquid solutions has been determined to be (2.5 +/- 0.1) x 10(-8) Km by a direct method. The solid-liquid interfacial energy between solid Zn and Zn-Cd liquid solution has been obtained to be (165.5 +/- 19.0) mJ/m(2) from the Gibbs-Thomson equation. The grain boundary energy for the same alloy has been determined as (317.8 +/- 39.9) mJ/m(2). The thermal conductivities of the solid and liquid phases at the eutectic composition and temperature have also been measured. (c) 2007 Elsevier B.V. All, rights reserved.
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收藏
页码：2171 / 2177
页数：7
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