High Temperature Oxidation Behavior of New Martensitic Heat-Resistant Steel

被引：2
作者：
Bao, Ziming [1 ]
Han, Renheng [1 ]
Zhu, Yanqing [1 ]
Li, Hong [1 ]
Li, Ning [1 ]
Tang, Ming [1 ]
Zhang, Hexin [1 ,2 ]
Zhao, Chengzhi [1 ,2 ]
机构：
[1] Harbin Engn Univ, Coll Mat Sci & Chem Engn, 145 Nantong Ave, Harbin 150001, Heilongjiang, Peoples R China
[2] Harbin Engn Univ, Key Lab Superlight Mat & Surface Technol, Minist Educ, 145 Nantong Ave, Harbin 150001, Heilongjiang, Peoples R China
来源：
MATERIALS SCIENCE-MEDZIAGOTYRA | 2022年 / 28卷 / 02期
关键词：
heat-resistant steel; high temperature oxidation; morphology of oxide film; element distribution; OXIDE SCALE; MECHANICAL-PROPERTIES; ALLOY; EVOLUTION; MICROSTRUCTURE; CORROSION; SILICON; METALS; PHASE; WATER;
D O I：
10.5755/j02.ms.27438
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The research focuses on the high temperature oxidation resistance of martensitic heat-resistant steel. A new type of martensitic heat-resistant steel was developed with the addition of Al and Cu, and the oxidation behavior of the new martensitic heat-resistant steel at 650 degrees C and 700 degrees C was analyzed. The high temperature oxidation kinetics curves of new martensitic heat-resistant steel at 650 degrees C and 700 degrees C were determined and plotted by cyclic oxidation experiment and discontinuous weighing method. XRD technique was applied to qualitatively analyze the surface oxide of the material after oxidation. The surface and cross-section morphology of the material were observed by field emission scanning electron microscope (SEM) and energy dispersive spectrometer (EDS), and the oxidation mechanism at high temperature was analyzed. The results show that the oxide film can be divided into two layers after oxidation at 650 degrees C for 200 h. The outer oxide film is mainly composed of Fe and Cu oxides, and the inner oxide film is mainly composed of Al2O3, SiO2 and Cr2O3. After oxidation at 700 degrees C for 200 h, the outer layer is mainly composed of Fe, Cu, Mn oxides, and the inner layer is mainly composed of Cr, Al and Si oxides. The addition of a small amount of Cu promotes the diffusion of Al and Si elements, facilitates the formation of Al2O3 and SiO2, and improves the high-temperature oxidation resistance of martensitic heat-resistant steel.
引用
收藏
页码：164 / 170
页数：7
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