The study of surface roughness in the process of finishing anti-friction non-abrasive treatment

  • I. Shepelenko Central Ukrainian National Technical University, Kropyvnytskyi
Keywords: roughness, finishing anti-friction non-abrasive treatment (FANT), anti-friction coating, microrelief, processing modes, coating quality

Abstract

An analysis of the literature on the formation of an antifriction coating by finishing anti-friction non-abrasive treatment showed that surface roughness can be the main criterion for assessing the quality of the applied skin. In this regard, the main regularities of changes in the roughness of the surface layer treated with FANT have been established in the work.

The surface treated with the friction-mechanical method FANT was studied on special samples of gray cast iron SCh20 made in the form of disks, and brass L63 was used as the material of the antifriction coating. Since the microrelief of the initial surface significantly affects the continuity of the antifriction coating, the surface roughness was determined before and after coating by the friction-mechanical FANT method taking into account the processing regimes. Studies have shown that the application of anti-friction coatings FANT can improve the quality of the surface, significantly reducing its roughness due to the mashing of brass in the cavities of the surface roughness, as well as partial crushing and smoothing of microroughness combs. The results obtained make it possible to predict and control when applying FANT antifriction coatings such an important geometric parameter of the surface layer as roughness, which largely determines the quality of the processed surface.

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Published
2020-03-26
How to Cite
Shepelenko, I. (2020). The study of surface roughness in the process of finishing anti-friction non-abrasive treatment. Problems of Tribology, 25(1/95), 34-40. https://doi.org/https://doi.org/10.31891/2079-1372-2020-95-1-34-40
Section
Articles