A comparative SEM, TEM and Auger-spectroscopic investigations of structure of friction surfaces of different objects were carried out. It was find out that the amorphous fine carbon (AFC) additives, obtained, for example, via oxidizing pyrolysis of methane during production of acetylene, improves the resistance to mechanical, chemical and abrasive scuffing and fret. It also provides increase in resistance to contact fatigue (pitting), fretting and corrosion resistance; reduces energy losses caused by external and internal friction, improves a wear-in of sliding surfaces, and the “aftereffect” is achieved.

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