Abstract
The physical, mechanical and tribological properties of short glass fiber (SGF) reinforced high density polyethylene/ ultra high molecular weight polyethylene (HDPE/UH MWPE blend) composites and zirconia (ZrO2) filled hybrid composites were studied herein. The interfacial adhesion and the influence of the combined SGF and ZrO2 reinforcements loading were examined to characterize the positive hybrid effect. The physical, mechanical and tribological properties of these hybrid composites were evaluated as per ASTM standards. The presence of SGF and ZrO2 in the HDPE/UHMWPE blends enhanced the tensile strength. The three-body abrasive wear test were also investigated and the specific wear rate was increased with the increase in fiber/filler content. The selected fracture and worn surfaces of the test specimen were investigated by scanning electron microscopy.
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