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中国腐蚀与防护学报  2010, Vol. 30 Issue (4): 288-294    
  研究报告 本期目录 | 过刊浏览 |
超级双相不锈铸钢电化学极化表面腐蚀产物的XPS分析
向红亮,何福善,刘东
福州大学机械工程及自动化学院 福州 350108
CORROSION COMPOSITIONS ON SURFACE AFTER ELECTROCHEMICAL POLARIZATION OF DUPLEX STAINLESS CAST STEEL BY XPS
XIANG Hongliang, HE Fushan,  LIU Dong
College of Mechanical Engineering, Fuzhou University, Fuzhou 350108
全文: PDF(598 KB)  
摘要: 

采用X射线光电子能谱(XPS)技术研究了超级双相不锈铸钢在人工海水中经电化学极化后表面腐蚀产物。结果表明:双相不锈钢在人工海水中极化后的钝化膜表层主要以CrO3、CrOOH、Cr(OH)3和Fe(OH)3等氢氧型化合物为主,内层主要以CrO3、Cr2O3、FeO和Ni2O3等氧化物为主,同时膜内层存在Fe、Cr、Ni和Mo单质。MoO42-和NH4+吸附在钝化膜表面,对钝化膜起到保护作用。

关键词 X射线光电子能谱超级双相不锈铸钢钝化膜人工海水    
Abstract

Corrosion deposites of super duplex stainless cast steel on surface after electrochemical polarization in arterial seawater were studied by X-ray photoelectron spectroscopy in this paper. The results indicate that the outside passive film of cast duplex stainless steel is mainly composed of CrO3 and hydroxide type compounds such as CrOOH, Cr(OH)3, Fe(OH)3. The inside film is mainly composed of oxide such as CrO3、Cr2O3, FeO, Ni2O3, and some elements of Fe, Cr, Ni, Mo as simple substance in it. MoO2-4$ and NM+4 ions exist between passive film and solution which act fairly protective effect.

Key wordsX-ray photoelectron spectroscopy    super duplex stainless cast steel    passive film    artificial seawater
收稿日期: 2009-06-18     
ZTFLH: 

TG174.3

 
基金资助:

科技部科技人员服务企业项目(SQ2009GJC40018), 福建省青年人才创新基金项目(2008F3061)和福州大学科技发展基金项目(2008-XQ-16)资助

通讯作者: 向红亮     E-mail: hlxianggg@sina.com
Corresponding author: XIANG Hongliang     E-mail: hlxianggg@sina.com
作者简介: 向红亮,1972年生,副教授,研究方向为特种金属材料

引用本文:

向红亮,何福善,刘东. 超级双相不锈铸钢电化学极化表面腐蚀产物的XPS分析[J]. 中国腐蚀与防护学报, 2010, 30(4): 288-294.
XIANG Hong-Liang, LIU Dong, HE Fu-Shan. CORROSION COMPOSITIONS ON SURFACE AFTER ELECTROCHEMICAL POLARIZATION OF DUPLEX STAINLESS CAST STEEL BY XPS. J Chin Soc Corr Pro, 2010, 30(4): 288-294.

链接本文:

https://www.jcscp.org/CN/      或      https://www.jcscp.org/CN/Y2010/V30/I4/288

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