Role of Micro- and Nanofillers in Abrasive Wear of Composites Based on Ultra-High Molecular Weight Polyethylene

Abstract:

The abrasive wear of pure UHMWPE as well as one filled with nanoand microparticles (fibers) were investigated. It was found that abrasive wear resistance of microcomposites (containing AlO(OH) and Al₂O₃ microparticles) can grow up by 16-18 times in comparison with pure UHMWPE depending on the strength and size of the filler as well as abrasive grit. Nanofillers (AlO(OH) and carbon nanofibers (CNF) as well as SiO₂ and Cu nanoparticles) as opposed to microfillers can improve abrasive wear resistance of UHMWPE in a significantly less degree (up to 50 %). Abrasive wear resistance of nanocomposites weakly depends on the type of filler and is defined by the polymeric matrix (permolecular) and counter-face abrasive grit. The comparative analysis of the wear mechanisms of UHMWPE based micro-and nanocomposites under abrasive wear (fixed abrasive particles) and dry sliding friction is carried out.

• Periodical: Advanced Materials Research (Volume 1040)
• Pages: 148-154
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.1040.148
• Online since: September 2014
• Authors: Sergey Panin*, Ludmila Kornienko, Nguyen Xuan Thuc, Larisa R. Ivanova, Sergey V. Shilko
• Keywords: Abrasive Wear Resistance, Microcomposite, Nanocomposite, Roughness, Ultra-High Molecular Weight Polyethylene

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