Development of High-Density Polyethylene-Hydroxyapatite-Carbon Fiber (HDPE-HA-CF) Polymer Composites for Human Bone ReplacementPages 388-398
Md. Mohsin Alam Abstract:
Demand for bone substitutes is rising due to factors like aging populations, injuries, and diseases. Polymer composites offer a promising alternative to traditional grafts, with hydroxyapatite and carbon fibers enhancing mechanical properties in this research. High-density polyethylene-hydroxyapatite-carbon fiber (HDPE-HA-CF) composites are made with extrusion and semi-injection molding processes. The morphological characteristics of the cross-section area and mechanical test are performed. Experimentation examined the effect of hydroxyapatite and carbon fibers as reinforcing materials in various weight percentages (5%, 10%, 20%, 30%, 40%) on the HDPE-HA-CF composite properties: increased tensile strength, modulus, flexural properties, and hardness; decreased elongation and impact strength with higher reinforcement weight percentage. Depending on the load transfer and uniform distribution of the particles, 40 weight percentage HA-CF reinforced composites revealed the highest strength, modulus, and hardness, but considerably lower elongation and impact strength of mechanical behaviors for the HDPE matrix among the other compositions. The research findings would provide important lessons for developing durable bone replacements using advanced polymer composites.
Keywords:
Mechanical properties,
Morphological views,
Polymer composites,
Hydroxyapatite (HA),
Carbon fibers (CF),
High density polyethylene (HDPE)
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