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A study of the dependence of the mass transfer on the structural factors of the electrodes in electrospark alloying with Ni-Cr-Al alloys

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Abstract

The dependence of the mass transfer parameters on the structure of the Ni-Cr-Al and Ni-Cr-NiAl electrode systems in the electrospark alloying of steel 45 is studied. The phase composition of the cast, sintered, and hot-pressed alloys is a mixture of solid solutions based on nickel, chromium, and NiAl intermetallide. The mass-transfer coefficient in the case of alloying with cast and hot-pressed alloys is 2 to 3.5 times higher than that in the event of alloying with sintered alloys. This difference is due to the different structures of the electrodes prepared by different techniques.

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Authors and Affiliations

  1. Frantsevich Institute for Problems of Materials Science, National Academy of Sciences of Ukraine, 3 Krzhizhanovsky Str., Kiev, 03142, Ukraine

    A. V. Paustovskii, R. A. Alfintseva, V. E. Shelud’ko, T. V. Kurinnaya & V. S. Tereshchenko

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  1. A. V. Paustovskii
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  2. R. A. Alfintseva
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  3. V. E. Shelud’ko
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  4. T. V. Kurinnaya
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  5. V. S. Tereshchenko
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Correspondence to A. V. Paustovskii.

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Original Russian Text © A.V. Paustovskii, R.A. Alfintseva, V.E. Shelud’ko, T.V. Kurinnaya, V.S. Tereshchenko, 2011, published in Elektronnaya Obrabotka Materialov, 2011, No. 1, pp. 30–34.

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Paustovskii, A.V., Alfintseva, R.A., Shelud’ko, V.E. et al. A study of the dependence of the mass transfer on the structural factors of the electrodes in electrospark alloying with Ni-Cr-Al alloys. Surf. Engin. Appl.Electrochem. 47, 23–27 (2011). https://doi.org/10.3103/S1068375511010157

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  • DOI: https://doi.org/10.3103/S1068375511010157

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