Tribological researches of electroerosive processing of steel details of cars

Authors

  • D.D. Marchenko Mykolayiv National Agrarian University, Mykolayiv
  • K.S. Matvyeyeva Mykolayiv National Agrarian University, Mykolayiv

DOI:

https://doi.org/10.31891/2079-1372-2021-99-1-66-73

Keywords:

wear, electrode, roughness, wear resistance, friction steam, coating, electroerosive treatment

Abstract

The article considers the technology of electroerosive treatment of steel friction pairs and presents the results of experimental studies. Analysis of experimental studies has shown that an increase in the anode-cathode voltage leads to a sharp decrease in the microhardness of the surface layer. The study also allowed to determine the characteristic size of the structural elements, the height parameters of the surface roughness. The elemental composition of the initial surface of the sample made of steel 15HGN2TA differs from the composition of the coatings and surface layers of the samples modified by electroerosive treatment with different electrodes. In the mode of operation of the "anode - cathode" system on the cathode surface due to dissipative processes, a thin layer of coating of a stable modified structure is formed. It is shown that the height of surface irregularities in the areas after friction is higher than in the areas of the surface outside the friction track, which is associated with the formation on the surface of the samples of the friction transfer film. It was found that the frictional interaction of steel samples treated by electroerosion method forms a thin film on the friction surface of steel samples, which leads to a change in the topography of surfaces with increasing height of microroughnesses and structuring of the transfer film in the sliding direction. The influence of electroerosive treatment of steel surfaces on the wear resistance of the metal-polymer tribosystem was established and the optimal treatment modes were obtained: voltage U = 145-150 V, capacitor capacity C = 225-230 μF, treatment duration t = 3-4 min / cm2, providing the greatest reduction in speed wear of the polymer counterbody and recommended in the development of technological processes of electroerosive treatment.

References

1. Dolbilin E.V. Himiko-termicheskaja obrabotka metallov v jelektricheskom razrjade / E.V. Dolbilin. – M.: MJeI, 2001. – 298 s.
2. Eighteenth International Conference on Numerical Simulation of Plasmas (ICNSP'03) and US-Japan simulation workshop "Scope of Simulation Science", 7–10 September 2003, Cape Cod, Massachusetts USA.
3. Celebration of High Temperature Plasma Physics, 5–7 June 2002, Princeton Plasma Physics Laboratory, Princeton, New Jersey USA. Contact Dolores Lawson, MS37, Princeton Plasma Physics Laboratory, P.O. Box 451, Princeton, New Jersey 08543 USA.
4. Gitlevich A.E. Jelektroiskrovoe legirovanie metallicheskih poverhnostej / A.E. Gitlevich, V.V. Mihajlov, N.Ja. Carkanskij. – Kishinev: Izd-vo AN MSSRJu, 1985. – 387 s.
5. Marchenko D.D. Improving the contact strength of V-belt pulleys using plastic deformation / D.D. Marchenko, K.S. Matvyeyeva // Problems of Tribology. – Khmelnitsky, 2019. – Vol 24. – No 4/94 (2019) – S. 49–53. DOI: https://doi.org/10.31891/2079-1372-2019-94-4-49-53.
6. Butakov B.I. Usovershenstvovanie processa chistovogo obkatyvanija detalej rolikami / B.I. Butakov // Vestnik mashinostroenija. – 1984. – № 7. – S. 50 – 53.
7. Marchenko D.D. Investigation of tool wear resistance when smoothing parts / D.D. Marchenko, K.S.Matvyeyeva // Problems of Tribology. – Khmelnitsky, 2020. – Vol 25. – No 4/98 (2020) – S. 40–44. DOI: https://doi.org/10.31891/2079-1372-2020-98-4-40-44
8. Dykha A.V. Study and development of the technology for hardening rope blocks by reeling. ISSN 1729–3774 / A.V. Dykha, D.D. Marchenko, V.A. Artyukh, O.V. Zubiekhina–Khaiiat, V.N. Kurepin // Eastern–European Journal of Enterprise Technologies. Ukraine: PC «TECHNOLOGY CENTER». – 2018. – №2/1 (92) 2018. – pp. 22–32. DOI: https://doi.org/10.15587/1729-4061.2018.126196.
9. Dykha A.V. Prediction the wear of sliding bearings. ISSN 2227–524Х / A.V. Dykha, D.D. Marchenko // International Journal of Engineering and Technology (UAE). India: “Sciencepubco–logo” Science Publishing Corporation. Publisher of International Academic Journals. – 2018. – Vol. 7, No 2.23 (2018). – pp. 4–8. DOI: https://doi.org/10.14419/ijet.v7i2.23.11872.
10. Marchenko D.D. Analysis of the influence of surface plastic deformation on increasing the wear resistance of machine parts / D.D. Marchenko, V.A. Artyukh, K.S. Matvyeyeva // Problems of Tribology. – Khmelnitsky, 2020. – Vol 25. – No 2/96 (2020) – S. 6–11. DOI: https://doi.org/10.31891/2079-1372-2020-96-2-6-11.

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Published

2021-03-21

How to Cite

Marchenko, D., & Matvyeyeva, K. (2021). Tribological researches of electroerosive processing of steel details of cars. Problems of Tribology, 26(1/99), 66–73. https://doi.org/10.31891/2079-1372-2021-99-1-66-73

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Articles