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    • Characterization of zinc–nickel alloy electrodeposits obtained from sulphamate bath containing substituted aldehydes

      Visalakshi Ravindran V S Muralidharan

      Alloys and Steels Volume 29 Issue 3 June 2006 pp 293-301

    • Fulltext

       

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      Permanent link:
      https://www.ias.ac.in/article/fulltext/boms/029/03/0293-0301

    • Keywords

       

      Zinc–nickel electrodeposits; aldehydes; alloy characterization; surface morphology.

    • Abstract

       

      Zinc alloy offers superior sacrificial protection to steel as the alloy dissolves more slowly than pure zinc. The degree of protection and the rate of dissolution depend on the alloying metal and its composition. Zinc-nickel alloy may also serve as at less toxic substitute for cadmium. In this paper the physico-chemical characterization of zinc-nickel electrodeposits obtained from sulphamate bath containing substituted aldehydes was carried out using hardness testing, X-ray diffraction, and corrosion resistance measurements. The corrosion behaviour of these samples in a 3.5% NaCl solution was examined. The decrease in 𝐼corr and high charge transfer resistance indicated the improved corrosion resistance of these deposits.

    • Author Affiliations

       

      Visalakshi Ravindran1 V S Muralidharan1

      1. Central Electrochemical Research Institute, Karaikudi 630 006, India

    • Dates

       
      Published
      June 2006
      Manuscript received
      20 September 2005
      Manuscript revised
      2 January 2006

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