Effect of grain size on corrosion of nanocrystalline copper in NaOH solution

被引：65
|
作者：
Luo, Wei [1 ]
Xu, Yimin [1 ]
Wang, Qiming [2 ]
Shi, Peizhen [1 ]
Yan, Mi [1 ]
机构：
[1] Zhejiang Univ, State Key Lab Silicon Mat, Dept Mat Sci & Engn, Hangzhou 310027, Peoples R China
[2] Hangzhou Hangyang Co Ltd, Petrochem Engn Co, Hangzhou 310004, Zhejiang, Peoples R China
来源：
CORROSION SCIENCE | 2010年 / 52卷 / 10期
基金：
中国国家自然科学基金;
关键词：
Copper; Polarization; Alkaline corrosion; Passive films; SODIUM-HYDROXIDE SOLUTION; ELECTROCHEMICAL CORROSION; HCL SOLUTION; INGOT IRON; BEHAVIOR; FILMS; BULK; COATINGS; ALLOYS; INHIBITION;
D O I：
10.1016/j.corsci.2010.06.029
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Effect of grain size on corrosion of bulk nanocrystalline copper was investigated using potentiodynamic polarization measurements in 0.1 M NaOH solution. Bulk nanocrystalline copper was prepared by inert gas condensation and in situ warm compress (IGCWC) method. The grain sizes of all bulk nanocrystalline samples were determined to be 48,68 and 92 nm using X-ray diffraction (XRD). Results showed that bulk coppers displayed an active-passive-transpassive behaviour with duplex passive films. From polycrystalline to nanocrystalline, grain size variation showed little effect on the overall corrosion resistance of copper samples. (C) 2010 Elsevier Ltd. All rights reserved.
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页码：3509 / 3513
页数：5
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