| 锌对316L奥氏体不锈钢氧化膜影响的XPS分析 |
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| 引用本文： | 潘向烽,段振刚,张乐福,王力,徐雪莲,石秀强. 锌对316L奥氏体不锈钢氧化膜影响的XPS分析[J]. 上海交通大学学报, 2014, 48(3): 417-421 |
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| 作者姓名： | 潘向烽 段振刚 张乐福 王力 徐雪莲 石秀强 |
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| 作者单位： | (1.上海交通大学 机械与动力工程学院，上海 200240； 2.上海市核电工程重点实验室，上海 200233) |
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| 基金项目： | 大型先进压水堆核电站重大专项(2011ZX06004010) |
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| 摘 要： | 通过模拟压水堆-回路高温高压水化学环境,对316L奥氏体不锈钢进行了10、60和120μg/L锌浓度下的动水加锌实验,用X射线光电子能谱(XPS)对其表面氧化膜结构进行分析.结果表明,加锌能有效降低材料的腐蚀速率,在一定范围内加锌浓度(10~60μg/L)越高,腐蚀增重越小;锌对铁镍尖晶石结构中的Fe2+和Ni 2+有替换作用,形成稳定的ZnCr2O4.
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| 关 键 词： | 316 L奥氏体不锈钢 加锌 氧化膜 X射线光电子能谱 |
| 收稿时间： | 2013-06-08 |
XPS Analysis of Zinc Injection Effects on Oxide Film of 316 L Stainless Steel |
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| PAN Xiang-feng;DUAN Zhen-gang;ZHANG Le-fu;WANG Li;XU Xue-lian;SHI Xiu-qiang. XPS Analysis of Zinc Injection Effects on Oxide Film of 316 L Stainless Steel[J]. Journal of Shanghai Jiaotong University, 2014, 48(3): 417-421 |
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| Authors: | PAN Xiang-feng DUAN Zhen-gang ZHANG Le-fu WANG Li XU Xue-lian SHI Xiu-qiang |
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| Affiliation: | (1. School of Mechanical Engineering, Shanghai Jiaotong University, Shanghai 200240;2. Shanghai Municipal Key Laboratory of Nuclear Power Engineering, Shanghai 200233, China) |
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| 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： |
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| Keywords: | 316 L stainless steels Zn-addition oxide films X-ray photoelectron spectroscopy (XPS) |
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