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1 2015

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Effect of the friction films’tribosynthesis mechanism on the antifriction properties of composite materials based on nickel

Roik T., Gavrish A., Vitsuk J.

Selected Engineering Problems

2015

nr 6

81--90

In a paper the results of effect the friction films’ tribosynthesis mechanism on the antifriction properties of new composite materials based on nickel with solid lubricant CaF2 for high speed printing equipment have been presented. Paper generalizes the formation of antiscoring films, so called secondary structures, on the contact surfaces of the examined materials during friction process. Research of the friction surfaces was carried out using the method of Auger spectrum analysis. It was shown the mechanism of the antifriction films’ tribosynthesis depends on operation conditions, material and counterface chemical composition. It has been demonstrated that it is possible to predict and control the anti-friction properties of materials by technological means. To do this, it is necessary to choose a chemical composition of the friction pair, which could ensure the high functional properties, and could open a possibility purposefully to choose the operating conditions of the material in a printing equipment’s friction unit.