Nanostructured Y2O3 plasma coating for high temperature oxidation protection

被引：0
作者：
Ghosh, D. [1 ]
Roy, H. [1 ]
Mitra, S. K. [2 ]
机构：
[1] CMERI, NDT & Met Grp, Durgapur 713209, India
[2] Natl Inst Technol, Met & Mat Engn Dept, Durgapur 713209, India
来源：
JOURNAL OF ADHESION SCIENCE AND TECHNOLOGY | 2015年 / 29卷 / 10期
关键词：
nanostructure; yttria (Y2O3); coating; Cr-Mo steel; oxidation; SOL-GEL COATINGS; CR-1 MO STEEL; CORROSION BEHAVIOR; CEO2;
D O I：
10.1080/01694243.2015.1011366
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
This paper investigates the effect of nano-size and micron-size Y2O3 powder-coated specimen on high-temperature oxidation resistance of low-alloy Cr-Mo steel (2.25 Cr-1 Mo steel). Both are powder coated by plasma spray coating method. The oxidation rate and reaction kinetics are studied and the post-corroded scales are characterized in Field Emission Scanning Electron Microscope and X-ray Diffraction. The results clearly indicate that nanosize Y2O3-coated (nanostructured) specimen improves the high-temperature oxidation resistance in comparison to the micron-size Y2O3-coated specimen. The detail mechanism of the oxidation of both the coated specimen is discussed in detail in this paper.
引用
收藏
页码：954 / 964
页数：11
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