铜电积过程中LIX - 64N和Fe3+的协同效应

IF 1.2 4区材料科学 Q4 ELECTROCHEMISTRY

Transactions of The Institute of Metal Finishing Pub Date : 1998-01-01 DOI:10.1080/00202967.1998.11871203

N. Pradhan, P. G. Krishna, Sudipta Das

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引用次数: 2

摘要

研究了添加剂LIX - 64N和fe3 +在硫酸盐电解液电积铜过程中的协同作用。结果表明:LIX - 64N与fe3 +的结合影响了阴极铜的电流效率、镀层质量、晶体取向和表面形貌;电流密度、循环速率、温度等电解参数对LIX 64N与fe3 +的协同效应有明显影响。l1x64n和fe3 +的存在有利于金字塔型生长，而它们的结合促进了脊型结构。硫脲的加入不仅提高了电流效率，而且提高了镀层质量。

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Synergistic Effects of LIX 64N and Fe3+During Copper Electrowinning

The synergistic effects of additive LIX 64N and Fe 3+ during copper electrowinning from sulphate electrolyte were investigated. The results show that the combination of LIX 64N and Fe 3+ affects current efficiency, deposit quality, crystallographic orientation and surface morphology of cathode copper. Electrolysis parameters like current density, circulation rate and temperature have appreciable influence on the synergistic effects of LIX 64N and Fe 3+ . The presence of either L1X 64N or Fe 3+ favoured pyramidal growth whereas their combination promoted ridge type structure. Addition of thiourea not only improved the current efficiency but also the deposit quality.

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来源期刊

Transactions of The Institute of Metal Finishing 工程技术-材料科学：膜

CiteScore

3.40

自引率

10.50%

发文量

审稿时长

3 months

期刊介绍： Transactions of the Institute of Metal Finishing provides international peer-reviewed coverage of all aspects of surface finishing and surface engineering, from fundamental research to in-service applications. The coverage is principally concerned with the application of surface engineering and coating technologies to enhance the properties of engineering components and assemblies. These techniques include electroplating and electroless plating and their pre- and post-treatments, thus embracing all cleaning pickling and chemical conversion processes, and also complementary processes such as anodising. Increasingly, other processes are becoming important particularly regarding surface profile, texture, opacity, contact integrity, etc.