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In this work, the effects of nanoparticles on the tribological performances of epoxy-based composites were systematically investigated on a ball-on-plate apparatus in dry sliding conditions with a hardened steel ball. A series of nanosilica/epoxy nanocomposites were fabricated, using nanoparticles prepared by a special sol–gel technique, well dispersed up to 20wt%. The wear results showed that nanosilica...
The multiple parts of this study are intended to experimentally and analytically elaborate the tribological properties of epoxy nanocomposites, reinforced by short carbon fibres (SCF), nano-TiO 2 particles, polytetrafluorethylen (PTFE) powders and graphite flakes, in order to understand the role of fillers in modifying the wear behaviour of the materials. In this part, the influences of two...
The tribological behaviour of polyetherimide (PEI) and its short-carbon-fibre (SCF) composites were studied using both a block-on-ring and a pin-on-disc rig under dry sliding conditions. The influence of the contact pressure and the experimental temperature on both the specific wear rate and the coefficient of friction were investigated. It was found that the addition of 5–20vol.% SCF could reduce...
Sliding wear of graphite flake-filled polyetherimide (PEI) against polished steel counterparts was investigated at various temperatures. The addition of 5–20vol.% of graphite contributed to an obvious improvement of tribological performance of PEI at either room temperature or elevated temperatures (up to 220°C). Higher filler content (≥15vol.%) leaded to a very low coefficient of friction (μ), i...
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