Study on the corrosion mechanism of Zr-1Sn- x Fe-0.2Cr-0.02Ni alloy in 500 ° C super-heated steam with oxygen

被引：0
|
作者：
Xu, Shitong [1 ]
Xiao, Xiangyi [1 ]
Huang, Jiansong [1 ]
Li, Zhikang [1 ]
Yao, Meiyi [1 ]
Hu, Lijuan [1 ]
Xie, Yaoping [1 ]
Zhou, Bangxin [1 ]
机构：
[1] Shanghai Univ, Sch Mat Sci & Engn, Shanghai 200444, Peoples R China
来源：
CORROSION SCIENCE | 2024年 / 234卷
基金：
中国国家自然科学基金;
关键词：
A. Zirconium alloys; B; TEM; XPS; C. High temperature corrosion; DISSOLVED-OXYGEN; ZIRCONIUM; OXIDATION; RESISTANCE; BEHAVIOR; ZIRCALOY;
D O I：
10.1016/j.corsci.2024.112121
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Zr-1Sn- x Fe-0.2Cr-0.02Ni ( x =0.3, 0.45, wt%) alloys were exposed in 500 degrees C super-heated steam with oxygen to investigate the effect of oxygen concentrations in the corrosion environment and Fe contents in the alloys on the corrosion behavior. Results showed that increasing the Fe contents from 0.3 % to 0.45 % and the oxygen concentrations from deaeration to 1000 ppb can both accelerate the corrosion of the alloys, and the mechanism was explored from the perspective of Fe and oxygen affecting the oxidation of alloying elements and the microstructure evolution of the oxide film.
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页数：14
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