Insight into the corrosion resistance of Mo-added NiCrBSi coating in simulated waste incineration environment

被引：3

作者：

Li, Haiyan ^{[1
]}

Liu, Huan ^{[1
]}

Bai, Mingwen ^{[2
]}

Zhang, Xiuju ^{[1
]}

Chi, Hetian ^{[3
]}

Chen, Tongzhou ^{[4
]}

Yu, Yun ^{[1
]}

Yao, Hong ^{[1
]}

机构：

[1] Huazhong Univ Sci & Technol, Sch Energy & Power Engn, Wuhan 430074, Peoples R China

[2] Coventry Univ, Inst Clean Growth & Future Mobil, Coventry CV1 5FB, England

[3] State Grid Hubei Elect Power Co, Econ & Technol Res Inst, Wuhan 430077, Peoples R China

[4] Wuhan Res Inst Mat Protect, Wuhan 430030, Peoples R China

来源：

CORROSION SCIENCE | 2023年 / 216卷

基金：

中国博士后科学基金;

关键词：

Mo; NiCrBSi; HVOF; Molten salts; High -temperature corrosion; HIGH-TEMPERATURE CORROSION; THERMAL SPRAY COATINGS; ALLOYING ELEMENTS; STAINLESS-STEEL; HOT CORROSION; HVOF COATINGS; BOILER TUBES; CHLORINE; CR; BEHAVIOR;

D O I：

10.1016/j.corsci.2023.111085

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The corrosion resistance of Ni40AA and Ni40AA-Mo coatings on 304SS substrate was evaluated in molten NaClNa2SO4-KCl-K2SO4 salts at 600 degrees C. In the oxidizing-chloridizing environment, results showed that Cr or Cr-rich oxides would react with molten salts and generate chlorides or chromates (Na2Cr2O4; K2CrO4). After adding Mo, the dissolved Cr in soluble corrosion products was significantly reduced. Mo substituted Cr to react with molten salts and reduced the depletion of Cr, which benefited the accumulation of Cr-rich oxides. Therefore, adding Mo enhanced the corrosion resistance of Ni40AA, reducing the corrosion weight gain by approx. 50% and the thickness loss by 1/3.

引用

页数：11

共 57 条

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