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Production of composite nickel deposits with mullite additions

  • Sintered Materials and Components
  • Published:
Soviet Powder Metallurgy and Metal Ceramics Aims and scope

Conclusions

  1. 1.

    A study was made of the possibility of producing composite coatings from two nickel electrolytes at different pH values and temperatures.

  2. 2.

    It is demonstrated that the best nickel deposits with mullite whiskers are obtained in nickel sulfate electrolytes at low solution pH values (2–3) and a temperature of 25–30°C.

  3. 3.

    Mullite whiskers are readily incorporated into nickel electrodeposits. When an electrolyte contains up to 100 g/liter of mullite whiskers, the mullite whisker content of the resulting electrodeposit is up to 3 vol.%.

  4. 4.

    Studies were made of the high-temperature oxidation resistance of the composite coatings and of the effect of mullite additions on the microhardness of nickel electrodeposits.

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Authors and Affiliations

  1. Institute of Materials Science, Academy of Sciences of the Ukrainian SSR, Ukraine

    I. D. Radomysel'skii, L. M. Apininskaya & N. M. Vergeles

Authors
  1. I. D. Radomysel'skii
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  2. L. M. Apininskaya
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  3. N. M. Vergeles
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Additional information

Translated from Poroshkovaya Metallurgiya, No. 8 (92), pp. 29–34, August, 1970.

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Radomysel'skii, I.D., Apininskaya, L.M. & Vergeles, N.M. Production of composite nickel deposits with mullite additions. Powder Metall Met Ceram 9, 638–641 (1970). https://doi.org/10.1007/BF00803808

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  • DOI: https://doi.org/10.1007/BF00803808

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