Electrodeposition of nanocrystalline Ni-Cu alloy from environmentally friendly lactate bath

被引：13
|
作者：
Kamel, M. M. [1 ]
Anwer, Z. M. [1 ]
Abdel-Salam, I. T. [1 ]
Ibrahim, I. S. [2 ]
机构：
[1] Suez Canal Univ, Fac Sci, Dept Chem, Ismailia 41522, Egypt
[2] Gen Org Exports & Imports Control, RIIL, Sokhna Port, Suez, Egypt
来源：
SURFACE AND INTERFACE ANALYSIS | 2014年 / 46卷 / 07期
关键词：
electrodeposition; nanocrystalline; Ni-Cu alloy; lactate bath; COPPER-NICKEL ALLOY; GLUCONATE BATHS; GLYCINATE BATHS; CORROSION; MULTILAYERS; FILMS; STABILITY; COATINGS;
D O I：
10.1002/sia.5525
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：
A new environmentally friendly electroplating bath for Ni-Cu alloy deposition was developed. Lactic acid was used as a complexing agent. The influence of bath composition, current density, pH and temperature on cathodic polarization, cathodic current efficiency and alloy composition was studied. Different proportions of the two metals were obtained by using different deposition parameters, but at all [Ni2+] / [Cu2+] ratios studied, preferential deposition of Cu occurred and regular co-deposition took place. The Ni content of the deposit increased with Ni2+ content and current density and decreased with temperature. The surface morphology of the deposited Ni-Cu alloy was investigated using scanning electron microscopy. The crystal structure was examined using the X-ray diffraction technique. The results showed that the deposits consisted of a single solid solution phase with a face-centered cubic structure. The crystallite size lies in the range of 12 to 25nm for as-plated alloys. Copyright (c) 2014 John Wiley & Sons, Ltd.
引用
收藏
页码：442 / 448
页数：7
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