<![CDATA[The UHMWPE is a gold material in total joint replacement due to excellent properties but with the time was degradation therefor, In present study it was reinforced with 5% short fibers of polyacrylonitriale (PAN) and different weight fraction (0.3, 0.8 and 1.3)% of graphene nanoplate (GNP) and hydroxyapatite (HAp) to increase the mechanical properties (flexural strength, flexural modulus, compression strength and hardness) due to good bonding between fibers and nanoparticles (GNP, HAp) with polymer which improved the loud transfer from matrix to reinforcement phases, and also attributed to good mechanical properties of reinforcement fillers. Moreover, these fillers maintained the antibacterial properties to avoid infection which can happened per implantation of knee joint replacement.]]>
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