A TARTRATE-BASED ALLOY BATH FOR BRASS-PLATED STEEL WIRE PRODUCTION

被引：25

作者：

DEFILIPPO, D

ROSSI, A

ATZEI, D

机构：

[1] Dipartimento di Chimica e Tecnologie Inorganiche e Metallorganiche, Università di Cagliari, Cagliari, 09124

来源：

JOURNAL OF APPLIED ELECTROCHEMISTRY | 1992年 / 22卷 / 01期

关键词：

D O I：

10.1007/BF01093013

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

The plating of brass on steel from a tartrate based alloy bath has been studied using electrochemical methods and surface analysis techniques. The coating composition obtained using both direct current (d.c.) and pulsed current (p.c.) electrolysis was examined for a variety of temperatures, current densities and bath compositions. The dissolution process of a suitable composition of brass anodes was studied using small amounts of nitrate as depolarizing agent. Tests in a pilot plant showed that when electrolysis is carried out in continuo the coating composition remains constant with time (+/- 1%). Tests were performed at cathode current densities of industrial interest (20-30 A dm-2). The Auger and XPS analyses combined with Ar+ etching indicated a homogeneous composition throughout the coating.

引用

页码：64 / 72

页数：9

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