The effect of passivated potential on the passive films formed on pure chromium in borate buffer solution

被引：3
|
作者：
Lv Jinlong [1 ,2 ]
Liang Tongxiang [1 ]
机构：
[1] Tsinghua Univ, Beijing Key Lab Fine Ceram, Inst Nucl & New Energy Technol, Zhongguancun St, Beijing 100084, Peoples R China
[2] Tsinghua Univ, State Key Lab New Ceram & Fine Proc, Beijing 100084, Peoples R China
来源：
SURFACE AND INTERFACE ANALYSIS | 2017年 / 49卷 / 06期
基金：
中国国家自然科学基金;
关键词：
chromium; EIS; XRD; passive films; Mott-Schottky analysis; 316L STAINLESS-STEEL; ELECTROCHEMICAL IMPEDANCE; CORROSION-RESISTANCE; PRE-DEFORMATION; BEHAVIOR; IRON; SURFACE; ALLOYS; TEMPERATURE; NICKEL;
D O I：
10.1002/sia.6190
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The effect of passivated potential on corrosion resistance of the chromium in borate buffer solution was investigated. The electrochemical results showed that corrosion resistance of the passive film on the chromium electrode decreased with the increasing of passivated potential. The Mott-Schottky analysis showed that more acceptor concentrations in passive film due to higher passivated potential deteriorated corrosion resistance of the chromium electrode. The results from XPS showed that more chromium hydroxides were formed in higher passivated potential, while less chromium oxides were formed. More acceptor concentrations in passive films reduced corrosion resistance of the chromium electrode in borate buffer solution. Copyright (C) 2016 John Wiley & Sons, Ltd.
引用
收藏
页码：533 / 537
页数：5
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