Skip to main content
SpringerLink
Log in

Changes in the properties of a citrate electrolyte used to manufacture cobalt-tungsten coatings

  • Electrical Surface Treatment Methods
  • Published:
Surface Engineering and Applied Electrochemistry Aims and scope Submit manuscript

Abstract

The study of the electroconductivity of a citrate solution that contains cobalt sulfate (0.2 M) and sodium wolframate (0.2 M) used to obtain cobalt-tungsten coatings is carried out. A significant decrease in the conductivity in time of this solution as compared to aqueous and citrate complexes of cobalt was registered. It was shown that the observed changes occurred due to the generation of a mixed heteronuclear complex (probably polymeric) in the solution. The fractioning of the solution by gel filtration showed that all the changes resulted from the conversion of the substance with a high molecular weight.

This is a preview of subscription content, log in via an institution to check access.

Access this article

Log in via an institution

Price excludes VAT (USA)
Tax calculation will be finalised during checkout.

Instant access to the full article PDF.

Institutional subscriptions

Similar content being viewed by others

References

  1. Brenner, A., Electrodeposition of Alloys, New York: Academic Press Inc., 1963.

    Google Scholar 

  2. Eliaz, N., and Gileadi, E., Induced Codeposition of Alloys of Tungsten, Molybdenum and Rhenium with Transition Metals, In Modern Aspects of Electrochem., Springer, New-York: 2008, no. 42, pp. 191–301.

    Chapter  Google Scholar 

  3. Vas’ko, A.T., Elektrokhimiya molibdena i vol’frama (Electrochemistry of Molybdenum and Tungsten), Kiev: Naukova Dumka, 1977.

    Google Scholar 

  4. Weston, D.P., Shipway, P.H., Harris, S.J., and Cheng, M.R., Friction and Cobalt-Tungsten Alloy Coatings for Replacement of Electrodeposited Chromium, Wear, 2009, no. 267, pp. 934–943.

  5. Tsyntsaru, N., Belevsky, S., Dikusar, A., and Celis, J.-P., Tribological Behavior of Electrodeposited CobaltTungsten Coatings: Dependence on Current Parameters, Trans. Inst. Metal Finish., 2008, no. 86, pp. 301–307.

  6. Tsyntsaru, N., Belevskii, S.S., Volodina, G.F., Bersirova, O.N., Yapontseva, Yu.S., Kublanovskii, V.S., and Dikusar, A.I., Composition, Structure and Corrosion Properties of Coatings of CoW Alloys Electrodeposited under Direct Current, Surf. Eng. Appl. Electrochem., 2007, vol. 43, no. 5, p. 312–317.

    Article  Google Scholar 

  7. Santana, R.A.C., Campos, A.R.N., Medeirosv, E.A., Oliveira, A.L.M., Silva, L.M.F., and Prasad, Sh., Studies on Electrodeposition and Corrosion Behavior of a Ni-W-Co Amorphous Alloy, J. Mater. Sci., 2007, vol. 42, no. 22, pp. 9137–9144.

    Article  Google Scholar 

  8. Bobanova, Zh.I., Dikusar, A.I., Cesiulis, H., Celis, J.-P., Tsyntsaru, N.I., and Prosycevas, I., Micromechanical and Tribological Properties of Nanocrystalline Coatings Electrodeposited from Citrate-Ammonia Solutions, Russ. J. Electrochem., 2009, vol. 45, no. 8, pp. 895–901.

    Article  Google Scholar 

  9. Tsyntsaru, N., Cesiulis, H., Bobanova, J., Croitoru, D., Dikusar, A., and Celis, J.-P., Electrodeposition and Tribological Characterization of Nanostructural Co-W and Fe-W Alloys, Proc. Int. Conf. Balttrib., Kaunas, Lithuania 2009, pp. 259–264.

  10. Silkin, S.A., Belevskii, S.S., Tsyntsaru, N.I., Shulman, A.I., Shchuplakov, A.N., and Dikusar, A.I., Influence of Long-Term Operation of Electrolytes on the Composition, Morphology and Stress-Strain Properties of Surface Produced at Deposition of Co-W Coatings from Citrate Solutions, Surf. Eng. Appl. Electrochem., 2009, vol. 45, no. 1, pp. 1–12.

    Article  Google Scholar 

  11. Silkin, S.A., Tin’kov, O.V., Petrenko, V.I., Tsyntsaru, N.I., and Dikusar, A.I., Electrodeposition of Co-W Alloys: the Role of Temperature, Electron. Obrab. Mater., 2006, no. 4, pp. 11–18.

  12. Tsyntsaru, N., Dikusar, A., Cesiulis, H., Selis, J.-P., Bobanova, J., Sidel’nikova, S., Belevsky, S., Yapontseva, Yu., Bersirova, O., and Kublanovsky, V., Tribological and Corrosion Properties of Electrochemical Coatings on the Base of Cobalt and Iron Superalloys, Powder Metallurgy and Metal Ceramics, 2009, nos. 7, 8, pp. 66–78.

  13. Kublanovsky, V., Bersirova, O., Yapontseva, Yu., Tsyntsaru, N., Belevsky, S., and Dikusar, A., Pulse Electrodeposition of Cobalt-Tungsten Alloys from Citrate Electrolyte on Steel, Its Corrosion Characteristics, Phys. Chem. Mech. Mater., 2007, no. 6, pp. 80–90.

  14. Belevsky, S.S., Tsyntsaru, N.I., and Dikusar, A.I., Electrodeposition of Nanocrystalline Co-W Coatings from Citrate Electrolytes Under Controlled Hydrodynamic Conditions. Part II: The Electrodeposition Rate and Composition of the Coatings, Surf. Eng. Appl. Electrochem., 2010, vol. 46, no. 2, pp. 91–99.

    Article  Google Scholar 

  15. Silkin, S.A., Belevskii, S.S., Gradinar, A.S., Petrenko, V.I., Yakovets, I.V., and Dikusar, A.I., Electrodeposition of Nanocrystalline Co-W Coatings from Citrate Electrolytes under Controlled Hydrdynamic conditions. Part III: The Micro- and Macrodistribution Rates, the Structure and the Mechanical Properties, Surf. Eng. Appl. Electrochem., 2010, vol. 46, no. 3, pp. 206–214.

    Article  Google Scholar 

Download references

Author information

Authors and Affiliations

  1. Institute of Applied Physics, Academy of Sciences of Moldova, ul. Academiei 5, Chisinau, MD-2028, Republic of Moldova

    S. S. Belevskii, S. P. Yushchenko & A. I. Dikusar

  2. Shevchenko Pridnestrov’e State University, ul. 25 Oktyabrya 128, Tiraspol, Republic of Moldova

    A. P. Kosova, S. P. Yushchenko, E. A. Yakhova, A. I. Shul’man & A. I. Dikusar

Authors
  1. S. S. Belevskii
    View author publications

    You can also search for this author in PubMed Google Scholar

  2. A. P. Kosova
    View author publications

    You can also search for this author in PubMed Google Scholar

  3. S. P. Yushchenko
    View author publications

    You can also search for this author in PubMed Google Scholar

  4. E. A. Yakhova
    View author publications

    You can also search for this author in PubMed Google Scholar

  5. A. I. Shul’man
    View author publications

    You can also search for this author in PubMed Google Scholar

  6. A. I. Dikusar
    View author publications

    You can also search for this author in PubMed Google Scholar

Corresponding author

Correspondence to A. I. Dikusar.

Additional information

Original Russian Text © S.S. Belevskii, A.P. Kosova, S.P. Yushchenko, E. A. Yakhova, A.I. Shul’man, A.I. Dikusar, 2011, published in Elektronnaya Obrabotka Materialov, 2011, No. 1, pp. 8–13.

About this article

Cite this article

Belevskii, S.S., Kosova, A.P., Yushchenko, S.P. et al. Changes in the properties of a citrate electrolyte used to manufacture cobalt-tungsten coatings. Surf. Engin. Appl.Electrochem. 47, 4–8 (2011). https://doi.org/10.3103/S1068375511010042

Download citation

  • Received:

  • Published:

  • Issue Date:

  • DOI: https://doi.org/10.3103/S1068375511010042

Keywords

Search

Navigation