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  • Tribological characterization of plastic materials for gears
    Pogačnik, Aljaž, 1985- ; Kalin, Mitjan
    Polymer gears have been successfully used for different gear drives for more than 50 years. In the last decade their popularity is increasing as they can transfer ever bigger power, even under severe ... running conditions. In order to achieve this goal, the high-quality polymer materials are needed. The development of polymer materials is continuous as companies tend to develop new and more advanced types of polymers. The properties of basic polymers can be enhanced with different fillers such as carbon and glass fibres, solid lubricants, nanoparticles, etc. In our research the effect of material combination (plastic/plastic and plastic/steel) on wear and friction was studied using a pin-on-disc apparatus. Polyamide, polyacetal and stainless steel have been tested under different sliding conditions. The results indicate that sliding distances to steady-state coefficient of friction are significantly longer for plastic/plastic combinations compared to plastic/steel combinations. In addition the surface temperatures for plastic/plastic combinations were found to be higher than for polymers in contact with steel.
    Type of material - conference contribution
    Publish date - 2011
    Language - english
    COBISS.SI-ID - 12105243