Journal of Materials Science

, Volume 3, Issue 4, pp 446–448 | Cite as

A transmission electron microscope study of the structure of electrolytic nickel

  • E. J. Suoninen
  • T. Hakkarainen


In conclusion, during the electrolysis of nickel from acid sulphate solutions, the coverage of the cathode by a possible colloidal film of nickel hydroxide is the decisive factor. In its presence, the cathode exhibits a very fine-grained, randomly oriented structure. If the film is removed, the structure consists at these current densities of relatively large grains with a very strong texture [100] perpendicular to cathode. The large grains are often twinned, but no individual stacking faults are found.

The inhibitive action of the hydroxide film can be eliminated by chloride ions [2], or it can be replaced by an organic additive [3].


Polymer Sulphate Chloride Electron Microscope Nickel 
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Copyright information

© Chapman and Hall 1968

Authors and Affiliations

  • E. J. Suoninen
    • 1
  • T. Hakkarainen
    • 2
  1. 1.Institute of Technical PhysicsUniversity of OuluOuluFinland
  2. 2.Laboratory of Physical MetallurgyInstitute of TechnologyOtaniemiFinland

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