Corrosion tests of nickel coatings prepared from a Watts-type bath

被引：34
|
作者：
Rusu, D. E. [1 ,2 ]
Ispas, A. [3 ]
Bund, A. [3 ]
Gheorghies, C. [1 ,2 ]
Carac, G. [1 ,2 ]
机构：
[1] Dunarea de Jos Univ Galati, Dept Phys, Galati 800008, Romania
[2] Dunarea de Jos Univ Galati, Dept Chem, Galati 800008, Romania
[3] Tech Univ Ilmenau, Fak Elektrotech & Informat Tech, D-98693 Ilmenau, Germany
来源：
JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH | 2012年 / 9卷 / 01期
关键词：
Nickel; Electrodeposition; Surface morphology; Microhardness; Corrosion; ELECTRODEPOSITED NICKEL; CURRENT-DENSITY; IMPEDANCE SPECTROSCOPY; NANOCRYSTALLINE NICKEL; GRAIN-SIZE; BEHAVIOR; ELECTROCRYSTALLIZATION; MICROSTRUCTURE; MAGNETIZATION; HARDNESS;
D O I：
10.1007/s11998-011-9343-0
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
This paper deals with the preparation and characterization of thin Ni layers. The electrodeposition was carried out galvanostatically from a Watts bath at different current densities in the range from 1 to 10 A dm(-2) and for deposition times between 900 and 7200 s. The structure and the morphology of the nickel coatings were investigated by SEM and XRD techniques. The microhardness of deposited layers, the electrochemical behavior and the corrosion properties of the deposits were investigated by means of Vickers microhardness, polarization measurements, and electrochemical impedance spectroscopy (EIS). The uniform deposits showed fine grains and good protection against corrosion.
引用
收藏
页码：87 / 95
页数：9
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