Comparative Analysis of Tribological and Mechanical Properties of Extrudable Polymer–Polymer UHMWPE Composites Fabricated by 3D Printing and Hot-Pressing Methods

S. V. Panin, D. G. Buslovich, L. A. Kornienko, V. O. Aleksenko, Yu V. Dontsov, B. B. Ovechkin, S. V. Shil’ko

Результат исследований: Материалы для журналаСтатья

Аннотация

Abstract—A comparative analysis of the structural, tribological, and mechanical properties of polymer–polymer composites with the optimized composition UHMWPE + 15 wt % HDPE-g-SMA + 15 wt % PP, obtained by FDM (fused deposition modeling) and compressive sintering (hot-pressing) methods has been performed. It is shown that the tribomechanical characteristics (wear resistance, friction coefficient, elasticity modulus, yield limit, strength, elongation at break) of 3D-printed extrudable polymer–polymer UHMWPE composites exceed those of hot-pressed composites due to a more homogeneous supramolecular structure with enlarged crystallinity. Tribotests of extrudable UHMWPE composites in different friction modes (PV) demonstrates their applicability in joints operating in a wide range of loads and sliding rates.

Язык оригиналаАнглийский
Страницы (с-по)228-235
Число страниц8
ЖурналJournal of Friction and Wear
Том41
Номер выпуска3
DOI
СостояниеОпубликовано - 1 мая 2020

ASJC Scopus subject areas

  • Mechanics of Materials
  • Surfaces, Coatings and Films

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