Zn-Ni ALLOY COATINGS FROM ALKALINE BATH CONTAINING TRIETHANOLAMINE. INFLUENCE OF ADDITIVES

被引：0
|
作者：
Muresan, Liana Maria [1 ]
Eymard, Julien [2 ]
Blejan, Diana [1 ]
Indrea, Emil [3 ]
机构：
[1] Univ Babes Bolyai, Dept Phys Chem, Cluj Napoca 400028, Romania
[2] IUT Rouen, Rouen, France
[3] INCDTIM Cluj Napoca, RO-400293 Cluj Napoca, Romania
来源：
STUDIA UNIVERSITATIS BABES-BOLYAI CHEMIA | 2010年 / 55卷 / 01期
关键词：
zinc - nickel alloys; electrodeposition; corrosion; triethanolamine; NICKEL; ELECTRODEPOSITION; CODEPOSITION; DEPOSITION; PROGRAM;
D O I：
暂无
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The Zn-Ni alloys have been electrodeposited from an alkaline bath containing triethanolamine as complexing agent for Ni2+ ions. Polyethyleneglicol (PEG), in combination with either coumarin, piperonal or vanillin have been tested as brightening agents. Their effect on the codeposition process and on the corrosion resistance of the resulted coatings was investigated. Under the examined conditions, the electrodeposition was of anomalous type. The effect of plating bath conditions on the corrosion resistance was studied by Tafel polarization measurements. It was found that the tested compounds had a beneficial effect both on deposits quality and on their corrosion resistance.
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页码：37 / 43
页数：7
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