Oxidation Behavior of Fe-15Cr-4Al Alloy at High Temperatures

被引：1
作者：
Lee, Sung-Eun [1 ,2 ]
Jung, Seungmoon [1 ]
Jang, Ok Jun [1 ]
Bae, Jee-Hwan [1 ]
Kim, Hyoungsub [1 ]
Shin, Keesam [3 ]
Lee, Je-Hyun [3 ]
Song, Jung-il [4 ]
Yang, Cheol-Woong [1 ]
机构：
[1] Sungkyunkwan Univ, Sch Adv Mat Sci & Engn, Suwon 440746, South Korea
[2] Giheung Res Ctr, Display Res Ctr, Samsung Mobile Display, Yongin 446711, South Korea
[3] Changwon Natl Univ, Sch Nano & Adv Mat Engn, Chang Won 641773, South Korea
[4] Changwon Natl Univ, Dept Mech Engn, Chang Won 641773, South Korea
来源：
SCIENCE OF ADVANCED MATERIALS | 2015年 / 7卷 / 08期
基金：
新加坡国家研究基金会;
关键词：
Fe-Cr-Al alloy; Al2O3; FeCr2O4; Fe2O3; High Temperature Oxidation; FAILURE; SCALES;
D O I：
10.1166/sam.2015.2358
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
The oxidation behavior of Fe-15Cr-4Al alloy was investigated with various analytical techniques. The oxidation of the Fe-15Cr-4Al alloy was achieved by heating samples to 1300 degrees C in a conventional tube furnace for various time periods. The microstructure of the samples was observed with transmission electron microscopy (TEM), and their chemical composition was determined with energy dispersive X-ray spectroscopy (EDS). In addition, X-ray photoelectron spectroscopy (XPS) was used to determine the electronic states of Cr, Al, and O after the samples were oxidized. TEM, EDS, and XPS analysis confirmed that three oxides were present in the oxide layers. The dominant phase of the oxide layer was Al2O3, with a small amount of Cr2O3. After prolonged periods of oxidation, it was found that Fe2O3 and FeCr2O4 had formed in the oxide layer in addition to Al2O3 and Cr2O3.
引用
收藏
页码：1475 / 1479
页数：5
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