Effect of Temperature on Pitting Corrosion Resistance of 316 Stainless Steel Coated by Cerium Oxide Film in 3.5% NaCl Solution

被引：0
|
作者：
H.Hasannejad [1 ]
T.Shahrabi [1 ]
A.Sabour Rouhaghdam [1 ]
M.Aliofkhazraei [1 ]
机构：
[1] Department of Materials Engineering,Faculty of Engineering,Tarbiat Modares University
来源：
JournalofMaterialsScience&Technology | 2008年 / 05期
关键词：
Cerium oxide nanocoating; Sol-gel; Pitting corrosion resistance; 316 stainless steel;
D O I：
暂无
中图分类号：
TG174.4 [金属表面防护技术];
学科分类号：
摘要：
One of the main problems of stainless steel is its poor pitting corrosion resistance in the aggressive environment containing Cl-,such as seawater.In this paper we investigated the corrosion behavior of the 316 stainless steel coated by cerium oxide nanocoating prepared by sol-gel process.Potentiodynamic polarization and electrochemical impedance spectroscopy(EIS)were used to study the corrosion behavior of cerium oxide nanocoatings in 3.5% NaCl solution.The microstructure of the cerium oxide was examined by scanning electron microscopy(SEM)and the formed phases was identified by X-ray diffraction(XRD).The pitting corrosion resistance of the cerium oxide nanocoating was found to be improved after heat treatment of the cerium oxide nanocoating at 300℃for 30 min.
引用
收藏
页码：715 / 717
页数：3
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