Hybrid polymer matrix composites (HPMC) are prominentmaterial for the formation of biomaterial and offer various advantages\nsuch as low cost, high strength, and the fact that they are easy to manufacture. However, they are associated with low mechanical\n(low hardness) and tribological properties (high wear rate). The average hip joint load fluctuates between three to five times of the\nbody weight during jumping and jogging and depends on various actions relating to body positions. Alternate bone and prosthesis\nmaterial plays a critical role in attaining strength as it determines the method of load transferred to the system.Thematerial property\ncalled modulus of elasticity is an important design variable during the selection of the geometry and design methodology. The\npresent work is demonstrated on how to improve the properties of high-density polyethylene (HDPE) substantially by the addition\nof bioceramic fillers such as titanium oxide (TiO2) and alumina (Al2O3). The volume fractions of Al2O3 and TiO2 are limited to\n20% and 10%, respectively. Samples were fabricated as per ASTM standards using an injection moulding machine and various\nproperties such as mechanical (tensile, flexural, and impact), tribological (hardness, wear), and corrosion including SEM, density,\nand fractography analysis studied. Experimental results revealed that an injectionmoulding process is suitable for producing defectfreemouldHPMC.\nHPMCcomprising 70%HDPE/20%Al2O3/10%TiO2 has proved biocompatible and a substitute for biomaterial.\nA substantial increase in the mechanical and tribological properties and full resistance to corrosion makes HPMC suitable for use\nin orthopaedic applications such as human bone replacement, bone fixation plates, hip joint replacement, bone cement, and bone\ngraft in bone surgery.
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