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Microsegregation in liquid Pb-based eutectics

机译:液态铅基共晶中的微偏析

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摘要

Temperature dependence of electrical conductivity, sigma(T), thermoelectric power, S(T), and viscosity, eta(T), of Pb-based eutectic systems was studied. Anomalous changes of thermophysical properties in liquid binary Pb26.1Sn73.9, Pb44Bi56, Pb83Mg17 and ternary Bi46Pb29Sn25 eutectics occurred well above the liquidus. The temperature range of anomalies reached hundreds of degrees. The obtained results are interpreted assuming that microsegregation areas exist in the eutectic systems. (C) 2008 Elsevier B.V. All rights reserved.
机译:研究了基于铅的共晶体系的电导率,σ(T),热电功率(S)和粘度η(T)的温度依赖性。液态二元Pb26.1Sn73.9,Pb44Bi56,Pb83Mg17和三元Bi46Pb29Sn25共晶中热物理性质的异常变化发生在液相线上方。异常温度范围达到数百度。假设共晶系统中存在微偏析区域,则解释获得的结果。 (C)2008 Elsevier B.V.保留所有权利。

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