Thermoelectric Properties of Tin-Filled Skutterudites Prepared by Mechanical Alloying Process

被引：1
|
作者：
Ur, Soon-Chul [1 ]
Kwon, Joon-Chul
Kim, Il-Ho [1 ]
机构：
[1] Chungju Natl Univ, Dept Mat Sci & Engn, RIC ReSEM, Chungju Si 380702, Chungbuk, South Korea
来源：
METALS AND MATERIALS INTERNATIONAL | 2008年 / 14卷 / 05期
关键词：
skutterudite; tin filling; mechanical alloying; CoSb3; thermoelectric;
D O I：
10.3365/met.mat.2008.10.625
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Sn-filled (Fe,Co)Sb-3 skutterudites of the form of SnyFe3Co5Sb24 (0 <= y <= 1.5) were synthesized by the mechanical alloying of elemental powders followed by vacuum hot pressing. The phase transformations that occur during both mechanical alloying and vacuum hot pressing were examined by X-ray diffraction. Single-phase Sn-filled skutterudite was successfully produced by vacuum hot pressing using as-milled powders without subsequent annealing. The thermoelectric properties of the hot-pressed specimens were evaluated as a function of temperature and tin content. The void filling of tin (up to y = 1.0) in Fe3Co5Sb24 appeared to increase the thermoelectric figure of merit.
引用
收藏
页码：625 / 629
页数：5
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