Effects of hot pressing on electric performances of Bi0.5Sb1.5Te3

被引：1
|
作者：
XIAO Bo1)
机构：
来源：
RareMetals | 2006年 / S1期
关键词：
thermoelectric material; hot pressing; power factor; electric conductivity;
D O I：
暂无
中图分类号：
TG249.9 [其他特种铸造];
学科分类号：
080201 ; 080503 ;
摘要：
The effects of hot pressing on electric performance and mechanical strength of Bi0.5Sb1.5Te3 thermoelectric material prepared through vacuum melting and milling were studied. The phase constituent and microstructure were analyzed by X-ray Diffraction and cold field emission Scanning Electric Microscope. Aeolotropisms of the material on microstructure and electric performances are approved. With the rise of hot pressing temperature (from 300-500 ℃) and pressure (30-70 MPa), electric conductivity and power factor are improved. Moreover, Bi0.5Sb1.5Te3 material can gain ideal thermoelectric performances and increased mechanical strength by hot pressing.
引用
收藏
页码：320 / 323
页数：4
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