Thermal Conductivity of Solid and Liquid Phases for Pb-Cd Alloys

被引：2
|
作者：
Meydaneri, Fatma [1 ]
Saatci, Buket [2 ]
机构：
[1] Karabuk Univ, TR-78050 Karabuk, Turkey
[2] Erciyes Univ, TR-38039 Kayseri, Turkey
来源：
JOURNAL OF THERMOPHYSICS AND HEAT TRANSFER | 2013年 / 27卷 / 04期
关键词：
SOLIDIFICATION PROCESSING PARAMETERS; ELECTRICAL CONDUCTIVITIES; INTERFACIAL ENERGY; HIGH-TEMPERATURES; SURFACE ENERGIES; BI-SN; AL-SI; DIFFUSIVITY; SPACINGS; METALS;
D O I：
10.2514/1.T4036
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
Thermal conductivities of solid phases for pure Pb and Pb-x weight % Cd (5, 12, 17.4, 50, and 95) binary alloys were measured with a radial heat flow apparatus. Thermal conductivity depending on temperature and composition for pure Pb and Pb-x weight % Cd (5, 12, 17.4, 50, and 95) binary alloys were obtained to be 32.4 +/- 2.2, 33.4 +/- 2.2, 41.2 +/- 2.8, 37.2 +/- 4.8, 49.2 +/- 3.3, and 84.6 +/- 5.7 W/Km. The thermal conductivity ratio of liquid phase to solid phase for the eutectic Pb-17.4 weight % Cd alloy at its melting temperature is found to be 1.31 with a Bridgman-type directional solidification apparatus. Thus, the thermal conductivity of the liquid phase for the eutectic alloy at its melting temperature was found to be 48.7 +/- 3.3 W/Km by using the values of solid phase thermal conductivity and the thermal conductivity ratio of liquid phase to solid phase.
引用
收藏
页码：767 / 776
页数：10
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