Electrolytic colouring of anodized aluminium on tin basis

IF 0.9 Q4 CHEMISTRY, MULTIDISCIPLINARY
Barbora Šopová, M. Zemanová
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引用次数: 0

Abstract

Abstract The aim of the study was to find parameters of electrolytic colouring on tin basis to form uniform black coatings on anodized aluminium. A two steps electrolytic process consisting of aluminium anodization in a sulphuric acid electrolyte and colouring in tin acidic electrolyte was used. Among parameters influencing the colouring process, AC colouring voltage, composition of the counter electrode and agitation of the colouring electrolyte were studied. Spectrocolorimetry was applied to analyse the quality of the colouring. Thickness of the coloured and sealed anodized specimens was also evaluated. Optimal parameters for uniform colouring of anodized specimens were found. Unfortunately, colouring electrolyte on tin basis is susceptible to oxidation which negatively influences the colouring.
锡基阳极氧化铝的电解着色
摘要本研究的目的是寻找锡基电解着色的参数,以在阳极氧化铝上形成均匀的黑色涂层。采用两步电解工艺,包括在硫酸电解液中进行铝阳极氧化和在锡酸性电解液中着色。在影响着色过程的参数中,研究了交流着色电压、对电极的组成和着色电解质的搅拌。采用分光光度法对色素的质量进行了分析。着色和密封阳极氧化试样的厚度也进行了评估。找到了阳极氧化试样均匀着色的最佳参数。不幸的是,以锡为基础的着色电解质容易被氧化,这对着色产生负面影响。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Acta Chimica Slovaca
Acta Chimica Slovaca CHEMISTRY, MULTIDISCIPLINARY-
自引率
12.50%
发文量
11
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