Regularities of dynamics of change in tribotechnical characteristics of coatings formed by tribotechnologies of restoration

  • V. Aulin
  • S. Lysenko
  • A. Hrynkiv
  • D. Velykodnyi
  • A. Chernai
  • A. Lukashuk
Keywords: technology of tribotechnical renewal, triflection, friction geomodifier, serpentinite, tribotechnical characteristics, friction time, intensity of wear


In this paper, the laws of the dynamics of the changes of such tribotechnical characteristics as the moment of friction and the intensity of wear of the formed coatings by tribotechnology of restoration with the use of mixtures of geomodifiers KGMF-1 from natural substances based on the clay of the Katerinovsky deposit in the Kirovograd region of Ukraine are considered. The geomodifier KGMF-1 was added to the engine oil M10G2k.

The study of the friction moment was carried out on a friction machine 2070 SMT-1 on various types of tripartite specimens and parts differing in area of the friction zone and the magnitude of its hardness. The processes of friction and wear were investigated by the method of acoustic emission on the Brüel & Kjear instrument with the determination of the intensity of wear.

The results of experimental studies have shown that the dependence of the moment of friction and the intensity of wear on the duration of the test for the strains I and III types are identical. Investigation of the patterns of these characteristics on samples without endurance and endurance of 100 and 300 days revealed the difference: when maintaining the coatings for 100 days tribotechnical characteristics are the best, with the friction moment practically does not change, however, the duration of the time of spin and the intensity of wear decreases.


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