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Development of zirconia-modified polymer nanocomposites for Artificial Bio-Bearing (ABB) Applications
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DOI：10.1007/s40089-023-00393-5.png)
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Abstract
En 中文
This work highlights the development of a novel hybrid thermoplastic composite for biomaterial applications subjected to continuous loading conditions. The dynamic mechanical and impact characteristics are investigated to evaluate the mechanical feasibility and desired performance of the developed materials. The two variants of zirconium oxide (ZrO2)/Ultra-high-molecular-weight polyethylene (UHMWPE) composites were compared to pristine UHMWPE in terms of their mechanical properties. Liquid phase ultrasonication and hot press molding are used to create hybrid composite samples with varying ZrO2 loading. The weight percentage of ZrO2 was changed from 0 to 10%, and the resulting composite was examined using Energy-dispersive X-ray analysis (EDX), Scanning electron microscopy (SEM), Dynamic-mechanical analysis (DMA), and Impact properties (Izod). A systematic grasp of the structure/properties connections is required to achieve varying loading condition bearing components (Shoulder joints, hip joints, knee joints). As a result, rigorous evaluation of composite viscoelastic characteristics is essential in the development process. The DMA findings at 37(0)C (average body temperature) revealed that the 5-wt % ZrO2/UHMWPE sample (B) improved the storage modulus by 35.33% and the impact absorbed energy by 25.5% compared to the pristine UHMWPE. The zirconium oxide (ZrO2) was added to increase the materials' dynamic mechanical and impact capabilities for Artificial Bio-Bearing (ABB) applications in human body parts such as the hip, knee, shoulder, fingers, and wrist.
Keywords:
Zirconia
UHMWPE
Artificial Bio-Bearing
Polymer nanocomposite
Impact
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