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Method for Protecting Plasma-Jet Hard-Facing by Gas Powder Flow

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Refractories and Industrial Ceramics Aims and scope

The results of investigation of the rate of gas flow and powder particles flying at plasma-jet hard-facing by a constricted arc in gas powder protective media are presented. A new method of welding bath protection by a gas powder flow is proposed, which makes it possible to reduce the argon consumption by 50 – 60%, as well as to reduce plasmatron mass-dimensional characteristics, while abandoning the use of a shield cup and protective gas as an independent flow.

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Authors and Affiliations

  1. Russian State Agrarian University — Moscow Timiryazev Agricultural Academy, Moscow, Russia

    I. N. Kravchenko

  2. Blagonravov Mechanical Engineering Research Institute of the Russian Academy of Sciences (IMASh RAN), Moscow, Russia

    I. N. Kravchenko & S. V. Kartsev

  3. Orel State Agrarian University named after N. V. Parakhin, Orel, Russia

    Yu. A. Kuznetsov

Authors
  1. I. N. Kravchenko
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  2. S. V. Kartsev
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  3. Yu. A. Kuznetsov
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Corresponding author

Correspondence to I. N. Kravchenko.

Additional information

Translated from Novye Ogneupory, No. 9, September, pp. 37 – 46, 2020.

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Kravchenko, I.N., Kartsev, S.V. & Kuznetsov, Y.A. Method for Protecting Plasma-Jet Hard-Facing by Gas Powder Flow. Refract Ind Ceram 61, 518–527 (2021). https://doi.org/10.1007/s11148-021-00514-7

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  • DOI: https://doi.org/10.1007/s11148-021-00514-7

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