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Technique of applying protective coatings on diesel piston rings

https://doi.org/10.12737/20221

Abstract

The work objective is to search for new non-conventional structural low-activated materials. The dispersion-strengthened microalloyed chrome-based alloys that show high mechanical-and-physical properties under the initial condition are described. The results of the comparative studies of the chromium structural behavior obtained by the galvanic and hot spraying methods applied to the piston rings are quoted. This allows identify and assess the advantages of these coatings depending on the performance. Chromium rings wear - engine operating time experimental dependences are shown. The results of the quick and full-scale testing of various engines to determine the effect of the chromium coating composition on the size and behavior of the friction factor depending on the load are described. The feasibility of applying the diesel piston ring coatings under study is assessed.

About the Authors

Еlena M. Zubrilina
Don State Technical University
Russian Federation


Тatyana A. Czecha
Russian State Agrarian University - Moscow Timiryazev Agricultural Academy
Russian Federation


Mikhail V. Dobychin
Russian State Agrarian University - Moscow Timiryazev Agricultural Academy
Russian Federation


Igor N. Kravchenko
Russian State Agrarian University - Moscow Timiryazev Agricultural Academy
Russian Federation


References

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Review

For citations:


Zubrilina Е.M., Czecha Т.A., Dobychin M.V., Kravchenko I.N. Technique of applying protective coatings on diesel piston rings. Vestnik of Don State Technical University. 2016;16(3):54-64. (In Russ.) https://doi.org/10.12737/20221

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