Е-Публикации
Технически университет - София

Abstract: 3D printing technology allows obtaining details from various materials, including composite materials with various applications in tribology - rolling bearings, bushings for sliding bearings, gears, guides, and others. The presented work examines the parameters of wear, wear resistance, and contact temperature of five types of polymer materials and their composites obtained by 3D printing. All materials were tested in boundary friction mode in contact with a steel rotating roller and lubricated with SAE 15W40 mineral oil. Results and dependencies of mass wear, wear rate and intensity of the wear, wear resistance, and friction path contact temperature were obtained for all tested materials. Summary of wear resistance and contact temperature charts were constructed for all 3D polymers and composites.

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