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Specific features of formation of nanostructured electrospark protective coatings on the OT4-1 titanium alloy with the use of electrode materials of the TiC-Ti3AlC2 system disperse-strengthened by nanoparticles

  • Structural Macrokinetics. SHS
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Russian Journal of Non-Ferrous Metals Aims and scope Submit manuscript

Abstract

The effect of nanodispersed additives of ZrO2, Al2O3, NbC, W, WC, and WC-Co into the composition of the TiC-Ti3AlC2 electrode on the kinetics of formation of coatings by electrospark doping (ESD) on the titanium alloy of the OT4-1 grade on varying the duration of pulsed discharges in a wide range is investigated. The structure, phase composition, properties (continuity, thickness, microhardness, friction coefficient, wear resistance, and heat resistance) are investigated. The optimum energy mode of the ESD treatment of the OT4-1 titanium alloys by new electrode materials is determined. It is found that the introduction of a nanodispersed component is favorable to an increase in continuity and the microhardness of electrospark coatings and a substantial increase in wear resistance and heat resistance of titanium alloys.

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Authors and Affiliations

  1. Scientific and Educational Center of SHS of Moscow State Institute of Steel and Alloys (Technological University) and Institute of Structural Macrokinetics and Problems of Material Sciences, Russian Academy of Sciences, Leninskii pr. 4, Moscow, 119049, Russia

    E. A. Levashov, A. E. Kudryashov, Yu. S. Pogozhev, P. V. Vakaev, E. I. Zamulaeva & T. A. Sviridova

Authors
  1. E. A. Levashov
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  2. A. E. Kudryashov
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  3. Yu. S. Pogozhev
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  4. P. V. Vakaev
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  5. E. I. Zamulaeva
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  6. T. A. Sviridova
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Correspondence to E. A. Levashov.

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Original Russian Text © E.A. Levashov, A.E. Kudryashov, Yu.S. Pogozhev, P.V. Vakaev, E.I. Zamulaeva, T.A. Sviridova, 2007, published in Izvestiya VUZ. Tsvetnaya Metallurgiya, 2007, No. 5, pp. 54–64.

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Levashov, E.A., Kudryashov, A.E., Pogozhev, Y.S. et al. Specific features of formation of nanostructured electrospark protective coatings on the OT4-1 titanium alloy with the use of electrode materials of the TiC-Ti3AlC2 system disperse-strengthened by nanoparticles. Russ. J. Non-ferrous Metals 48, 362–372 (2007). https://doi.org/10.3103/S1067821207050100

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