Oxidation and corrosion protection of ZG12Cr9Mo1Co1NiVNbNB (CB2) ferritic stainless steel by inorganic composite coatings at 650 °C

被引：14
作者：
Chen, Yiwen [1 ]
Lou, Xia [1 ]
Yang, Lanlan [3 ]
Wang, Cheng [2 ]
Zhou, Ke [1 ]
Chen, Minghui [4 ,5 ]
Wang, Qunchang [4 ]
Zhu, Shenglong [2 ,4 ,5 ]
Wang, Fuihui [4 ,5 ]
机构：
[1] Dong Fang Turbine Co Ltd, State Key Lab Long life High Temp Mat, Deyang 61800, Peoples R China
[2] Chinese Acad Sci, Inst Met Res, Shi Changxu Innovat Ctr Adv Mat, Shenyang 110016, Peoples R China
[3] Jiangsu Univ Sci & Technol, Sch Mat Sci & Engn, Zhenjiang 212003, Jiangsu, Peoples R China
[4] Northeastern Univ, Sch Mat Sci & Engn, Shenyang 110189, Peoples R China
[5] Shenyang Natl Lab Mat Sci, Shenyang 110016, Peoples R China
来源：
CORROSION SCIENCE | 2020年 / 177卷
基金：
国家重点研发计划;
关键词：
Stainless steel; SEM; XRD; High temperature corrosion; Oxidation;
D O I：
10.1016/j.corsci.2020.109000
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Inorganic silicate composite coatings were developed to inhibit the oxidation and corrosion of ZG12Cr9Mo1Co1NiVNbNB (CB2) stainless steel in air and water vapor containing environment at 650 degrees C. The results indicated that water vapor accelerates greatly the oxidation and corrosion of CB2 steel by transforming the protective Cr2O3 scales into non-protective multilayered scales. The excellent inhibition action of the coatings was attributed to barrier effect accompanying with the consumption of O-2 and water by NiCrAlY powders. The Cr-rich oxide layer grew at the interface of the coatings and substrate steel retards the outwards diffusion of Fe and Cr.
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页数：10
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