Electrical Resistivity and Short-Range Order in Copper Melts with Yttrium

被引：0
|
作者：
Mikhail I. Ivanov
机构：
[1] Institute for Problems of Materials Science,National Academy of Sciences of Ukraine
来源：
Powder Metallurgy and Metal Ceramics | 2003年 / 42卷
关键词：
electrical resistivity; melt; copper; yttrium; percolation; associated solution; electrical conductivity; thermodynamics; short-range order;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The electrical resistivity of liquid Cu – Y alloys in the region of compositions 0-70 at.% yttrium at temperatures in the range 1200-1600 K is measured by means of a four-probe method. Intensive growth in the electrical resistivity of the melts is found with increasing yttrium concentration, with only weak temperature dependence of electrical resistivity. Percolation theory is applied to calculate the electrical conductivity of Cu – Y melts, taking into account thermodynamic data for ordered melts in an approximation to the associated solution model.
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页码：413 / 418
页数：5
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