Modification of Anomalous Deposition in Zn-Ni Alloys using Antimony Additives
Abstract
Anomalous deposition is commonly encountered with electrogalvanizing alloys such as Zn-Ni, Zn-Co or Zn-Fe. The primary objectives of this study were to develop a better understanding of the fundamental aspects of anomalous behavior in the Zn-Ni system and to investigate means of minimizing such effects during processing. Very low concentrations of either Sb(III) or Sb(V) were found to significantly decrease anomalous behavior in the Zn-Ni alloy deposition. Agitation, current density and temperature were also investigated to determine their effect on the alloy composition and structure. In some instances, with the proper amounts of additives and optimum operating conditions, normal deposition was attainable. A qualitative study using EIS techniques was performed and it was found that the polarization resistance decreased dramatically in the presence of antimony.
Recommended Citation
H. M. Wang and T. J. O'Keefe, "Modification of Anomalous Deposition in Zn-Ni Alloys using Antimony Additives," Plating and Surface Finishing, vol. 83, no. 5, pp. 149 - 153, May 1996.
Department(s)
Materials Science and Engineering
International Standard Serial Number (ISSN)
0360-3164
Document Type
Article - Journal
Document Version
Citation
File Type
text
Language(s)
English
Rights
© 2024 The Authors, All rights reserved.
Publication Date
01 May 1996
