XPS Analysis of Zinc Injection Effects on Oxide Film of 316 L Stainless Steel

Abstract

Abstract:

In this paper, the Zn-addition experiments with concentrations of 10 μg/L, 60 μg/L and 120 μg/L respectively were reported on 316 L stainless steels (SSs) in flowing simulated PWR water. The structures of surface oxide films were analyzed by X-ray photoelectron spectroscopy (XPS). The results show that the corrosion rate of 316 L SSs could be significantly reduced by adding Zn2+, and in the concentration range of 10 μg/L to 60 μg/L, the corrosion weight gain decreases as Zn concentration increases; it is also indicated that Zn2+ is likely to replace Fe2+ and Ni2+ in FeNi spinel, thus forming a stable ZnCr2O4.

Key words：

Key words: 316 L stainless steels, Zn-addition, oxide films, X-ray photoelectron spectroscopy (XPS)

CLC Number:

TG 172.82

Cite this article

PAN Xiangfeng1,DUAN Zhengang1,ZHANG Lefu1,WANG Li1, XU Xuelian2,SHI Xiuqiang2. XPS Analysis of Zinc Injection Effects on Oxide Film of 316 L Stainless Steel[J]. Journal of Shanghai Jiaotong University, 2014, 48(03): 417-421.

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References

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