上海交通大学学报

上海交通大学学报（自然版） ›› 2014, Vol. 48 ›› Issue (03): 417-421.

• 金属学与金属工艺 • 上一篇    下一篇

锌对316L奥氏体不锈钢氧化膜影响的XPS分析

潘向烽1，段振刚1，张乐福1，王力1，徐雪莲2，石秀强2
  

  1. (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)
     
     
     
  • 收稿日期:2013-06-08
  • 基金资助:

    大型先进压水堆核电站重大专项（2011ZX06004010）

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

PAN Xiangfeng1,DUAN Zhengang1,ZHANG Lefu1,WANG Li1, XU Xuelian2,SHI Xiuqiang2
  

  1. (1. School of Mechanical Engineering, Shanghai Jiaotong University, Shanghai 200240;2. Shanghai Municipal Key Laboratory of Nuclear Power Engineering, Shanghai 200233, China)
  • Received:2013-06-08

摘要：

通过模拟压水堆-回路高温高压水化学环境，对316 L奥氏体不锈钢进行了10、60和120 μg/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（10~60 μg/L）越高，腐蚀增重越小；锌对铁镍尖晶石结构中的Fe2+和Ni2+有替换作用，形成稳定的ZnCr2O4.
 
 

关键词: 316 L奥氏体不锈钢, 加锌, 氧化膜, X射线光电子能谱

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)

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