Nano-sized yttria dispersed ferritic stainless steels for SOFC interconnect applications

被引：1
|
作者：
Ahn, J. -H. [1 ]
Kim, H. J. [2 ]
Oh, I-H. [2 ]
Park, B. H. [1 ]
Jang, S. -H. [2 ]
机构：
[1] Andong Natl Univ, Dept Mat Engn, Andong 760749, Gyungbuk, South Korea
[2] Korea Inst Ind Technol, Incheon 406130, South Korea
来源：
NANOCOMPOSITES AND NANOPOROUS MATERIALS VIII | 2008年 / 135卷
关键词：
solid oxide fuel cells; interconnects; stainless steels; ferritic steels; nano-dispersion; high-temperature alloys; electrical conductivity;
D O I：
10.4028/www.scientific.net/SSP.135.69
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
In the present work, we have developed two ferritic stainless steels, Fe + 20%Cr + 0.8%Mn + 0.2%Ti + 0.5%Y2O3 and Fe + 17%Cr + 0.1%C + 1%Si + 1%Mn + 0.5%Y2O3 for oxide fuel cell (SOFC) interconnects. Nano-sized Y2O3 particles were dispersed in the metallic matrix by high-energy ball-milling. The alloys exhibited excellent electrical conductivity and thermal expansion coefficient suitable for SOFC applications. The finely dispersed nano-sized yttria is thought to be attributed to high conductivity.
引用
收藏
页码：69 / +
页数：2
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