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Formation of a fine bismuth powder on the cathode

  • Theory, Production Technology, and Properties of Powders and Fibers
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Soviet Powder Metallurgy and Metal Ceramics Aims and scope

Conclusions

  1. 1.

    The process of precipitation of dispersed bismuth on the cathode was investigated, and the optimum conditions for the formation of a fine powder were determined. The maximum powder current efficiency lies in the region of limiting current densities.

  2. 2.

    It was observed that precipitation of dispersed bismuth into the organic bath layer occurs at the potentials of SAA desorption from the cathode. The presence of cyclohexanone in the organic layer decreases cathode polarization.

  3. 3.

    To produce a fine bismuth powder, it is necessary to ensure a sufficient degree of cathode polarization, which may be achieved by adding polarizing agents to the electrolyte.

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Authors and Affiliations

  1. Institute of Colloid Chemistry and the Chemistry of Water, Academy of Sciences of the Ukrainian SSR, Ukraine

    I. A. Pavlova & M. T. Bryk

Authors
  1. I. A. Pavlova
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  2. M. T. Bryk
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Translated from Poroshkovaya Metallurgiya, No. 1 (133), pp. 5–11, January, 1974.

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Pavlova, I.A., Bryk, M.T. Formation of a fine bismuth powder on the cathode. Powder Metall Met Ceram 13, 4–8 (1974). https://doi.org/10.1007/BF00790676

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  • DOI: https://doi.org/10.1007/BF00790676

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