Facile chromaticity approach for the inspection of passive films on austenitic stainless steel

被引：34

作者：

Cheng, Cong Qian ^{[1
]}

Zhao, Jie ^{[1
]}

Cao, Tie Shan ^{[1
]}

Fu, Qin Qin ^{[1
]}

Lei, Ming Kai ^{[1
]}

Deng, De Wei ^{[1
]}

机构：

[1] Dalian Univ Technol, Sch Mat Sci & Engn, Dalian 116085, Peoples R China

来源：

CORROSION SCIENCE | 2013年 / 70卷

关键词：

Stainless steel; Cyclic voltammetry; XPS; Polarisation; Passive films; BORATE BUFFER; SEMICONDUCTING PROPERTIES; XPS; TEMPERATURE;

D O I：

10.1016/j.corsci.2013.01.035

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A chromaticity approach for the inspection of passive films on 304 stainless steel is explored by measuring the redness degree of the colouration reaction product of phenanthroline. The measurement exhibits good capability in evaluating film quality. The,measured values are dependent on the structural integrity of the passive films. Based on the electrochemical examination and XPS spectra, this approach is discussed from the view point of the inhibition of the passive films on the release of ferrous from the matrix during its reaction with phenanthroline. The preferential dissolution of Fe-rich oxides in the films can affect the measurement. (C) 2013 Elsevier Ltd. All rights reserved.

引用

页码：235 / 242

页数：8

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