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Polytherms of the Wetting Angles of Pb-Ni (0.3 at %) Melt on Nickel Substrates

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Abstract

Polytherms of the wetting angle of Pb-Ni (0.3 at %) melt on pressed nickel substrates and substrates cut from a plate of nickel of grade NP-2 are studied in the temperature range from the melting point to 850°C by the sessile drop method in a vacuum chamber with a residual pressure of 10-2 Pa. The wettability thresholds are found. The wetting of both pressed substrates and NP-2 nickel begins at a temperature of 500°C or higher. After crystallization, the morphology of the droplet surface and the zones near it is studied using scanning electron microscopy. Pb n Ni m intermetallides of pyramidal form are detected, and zones where the melt spreads along the grain boundaries followed by the crystallization and formation of fibrous structures are found.

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Authors and Affiliations

  1. North-Caucasian Mining and Metallurgical Institute (State Technological University), Vladikavkaz, 362021, Russia

    K. M. Elekoeva, P. K. Korotkov, M. Kh. Ponegev & V. A. Sozaev

  2. Berbekov Kabardino-Balkarian State University, Nalchik, 360004, Russia

    P. K. Korotkov, A. R. Manukyants, V. A. Sozaev & A. Kh. Shermetov

  3. Chechen State University, Grozny, 364907, Russia

    R. A. Kutuev

Authors
  1. K. M. Elekoeva
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  2. P. K. Korotkov
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  3. R. A. Kutuev
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  4. A. R. Manukyants
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  5. M. Kh. Ponegev
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  6. V. A. Sozaev
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  7. A. Kh. Shermetov
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Corresponding author

Correspondence to P. K. Korotkov.

Additional information

Original Russian Text © K.M. Elekoeva, P.K. Korotkov, R.A. Kutuev, A.R. Manukyants, M.Kh. Ponegev, V.A. Sozaev, A.Kh. Shermetov, 2017, published in Poverkhnost’, 2017, No. 12, pp. 62–65.

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Elekoeva, K.M., Korotkov, P.K., Kutuev, R.A. et al. Polytherms of the Wetting Angles of Pb-Ni (0.3 at %) Melt on Nickel Substrates. J. Surf. Investig. 11, 1173–1176 (2017). https://doi.org/10.1134/S1027451017060064

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  • DOI: https://doi.org/10.1134/S1027451017060064

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