Conclusions
After the passage of 0.16 A · h of electricity per 1 g of the charge investigated, the amount of nickel in the powder was 13–14 wt.%. The surfaces of the powder particles, which had retained their original shape and dendritic structure, were covered with fairly even, 5- to 8-μm-thick nickel layers. During nickel plating the powders coarsened as a result of coalescence of separate particles, which was especially pronounced with charges containing large nickel additions (up to 30–50%). Additional comminution of nickel-plated powders increased their fineness. The milling operation virtually restored the original fine particle size of powders containing 13–14% of nickel.
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L. M. Kurvyakova, I. V. Pimenova, and E. P. Zakharova, “Chemical nickel plating of iron powder,” Poroshk. Metall., No. 5, 15–17 (1979).
L. M. Kurvyakova, A. M. Zhbanov, and E. P. Zakharova, “Electrodeposition of nickel on iron powder,” Poroshk. Metall., No. 12, 14–17 (1979).
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Translated from Poroshkovaya Metallurgiya, No. 1(229), pp. 1–4, January, 1982.
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Kurvyakova, L.M., Zhbanov, A.M. & Es'kova, E.N. Effect of the amount of electrolytic nickel in an iron charge on its distribution on the particle surfaces and on the powder particle size. Powder Metall Met Ceram 21, 1–4 (1982). https://doi.org/10.1007/BF00791714
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DOI: https://doi.org/10.1007/BF00791714