High-Temperature Oxidation Behavior of Medium-Manganese Austenitic Steel

被引：2
作者：
Guo, Yu [1 ]
Zhao, Jianhua [1 ,2 ]
Wang, Chun [1 ]
Gu, Cheng [1 ]
Wang, Yajun [1 ]
机构：
[1] Chongqing Univ, Coll Mat Sci & Engn, Chongqing 400044, Peoples R China
[2] Chongqing Univ, Natl Engn Res Ctr Magnesium Alloys, Chongqing 400044, Peoples R China
来源：
STEEL RESEARCH INTERNATIONAL | 2023年 / 94卷 / 12期
基金：
中国博士后科学基金; 中国国家自然科学基金;
关键词：
austenitic steels; high temperatures; medium manganese; oxidations; SILICON ALLOY; MN; ADDITIONS; SCALE; NI; MICROSTRUCTURE; RESISTANCE; STABILITY; CHROMIUM; DESIGN;
D O I：
10.1002/srin.202300216
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
The high-temperature oxidation behavior of medium-manganese austenitic steel is investigated. The double-layered oxide scale is formed in the investigated samples. The outer oxide layer consists of (Fe,Mn)-rich oxides, while the inner oxide layer is mainly composed of AB2O4 spinel oxides. When the oxidation temperature is 800 degrees C, a region composed of oxide and ferrite is formed in the substrate surface layer. When the oxidation temperature is 900 and 1000 degrees C, there is no such region observed in the substrate surface layer. Although the content of Al in the Fe-Mn-Al sample and the content of Si in the Fe-Mn-Si sample are relatively lower than the content of Cr in the Fe-Mn-Cr sample, the oxidation resistance of the Fe-Mn-Al and Fe-Mn-Si samples is still better than that of the Fe-Mn-Cr sample. The oxidation resistance of the Fe-Mn-Cr-Al and Fe-Mn-Cr-Si samples is also better than that of the Fe-Mn-Cr sample. The addition of Al and Si can improve the oxidation resistance of the Fe-Mn-Cr sample. Besides, the oxidation resistance improvement effect of adding Si to the Fe-Mn-Cr sample is better than that of adding Al to the Fe-Mn-Cr sample. Herein, high-temperature oxidation behavior of medium-manganese austenitic steel (Fe-Mn-Cr, Fe-Mn-Al, Fe-Mn-Si, Fe-Mn-Cr-Al, and Fe-Mn-Cr-Si) is investigated. The double-layered oxide scale is formed in the investigated medium-manganese austenitic steel. The outer oxide layer consists of (Fe,Mn)-rich oxides, while the inner oxide layer is mainly composed of AB2O4 spinel oxides.image (c) 2023 WILEY-VCH GmbH
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页数：10
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