期刊
PHYSICA B-CONDENSED MATTER
卷 358, 期 1-4, 页码 126-131出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.physb.2004.12.037
关键词
liquid Pb-Sn alloy; electrical resistivity; structure change
The patterns of electrical resistivity of lead tin (Pb-Sn) alloys with different compositions, along with pure liquid lead and tin, have been investigated as a function of temperature, using the DC four-probe technique. Evident turning points are observed on resistivity-temperature curves of the four liquid Pb-Sn alloys, and the resistivities increase linearly with rising temperature before the turning points. Moreover, the turning points are all at the temperature scope far above the liquidus. In case of both liquids pure lead and tin, however, the resistivity-temperature curves are linear within the measured temperature. Since resistivity is one of the physical properties sensitive to structures, it is suggested that there are temperature-induced structure changes in the liquid Pb-Sn alloys. (c) 2004 Elsevier B.V. All rights reserved.
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