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Properties of self-reinforced ultra-high-molecular-weight polyethylene composites


, : Properties of self-reinforced ultra-high-molecular-weight polyethylene composites. Biomaterials 18(9): 645-655

The physical properties of ultra-high-molecular-weight polyethylene (UHMWPE) fibre/UHMWPE matrix composites have been characterized. It was found that the tensile strength and modulus, and creep resistance, were significantly increased after incorporating UHMWPE fibres into a UHMWPE matrix. The longitudinal tensile strength of the resulting self-reinforced composite increased with fibre content, according to the law of mixtures. The transverse strength did not change for fibre content of up to 7%. The double-notch impact strength of the composites was higher than plain UHMWPE. There was no difference in wear properties between the composites and plain UHMWPE. The cross-section and tensile fracture surfaces of the composites were examined by scanning electron microscopy (SEM). Overall results indicate that the self-reinforced UHMWPE composites may be good candidates for load-bearing biomedical applications.

US$19.90

PMID: 9151996

DOI: 10.1016/s0142-9612(96)00194-9


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