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Kashan, Jenan S.
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article
Effect of Multi-Walled Carbon Nanotube on the Microstructure, Physical and Mechanical Properties of ZrO<sub>2</sub>–CaO/Poly(methyl methacrylate) Biocomposite for Bone Reconstruction Application
Abstract
<jats:p>After bone implant, short-term complications can lead to a complicated approach to recovery, requiring surgical correction associated with additive risks, such as deep infection and double fracture. The development of synthesized biomaterials for bone replacement or repair, as wellas the prevalence of osteoporosis, bone fracture, and bone cancer, is therefore of significant importance. This work aims to demonstrate the effect of adding multi-walled carbon nanotube (MWCNTs) to the (PMMA/ZrO<jats:sub>2</jats:sub>–CaO) bio-composites to fabricate a new hybrid biocompositesystem for bone recovery and replacement applications. Four groups of composite samples were produced PMMA/(0, 5, 10, 15, 20)% weights of ZrO<jats:sub>2</jats:sub>–CaO and adding (0, .1, 0.25, 0.5, 1)% weights of (MWCNTs) to each group. X-ray powder diffraction (XRD), surface topography by fieldemission scanning electron microscopy (FE-SEM), and fracture strength tests were performed to evaluate the samples’ properties. A number of the most significant characteristics obtained through XRD exhibited a high degree of homogeneous mixing of the composites. In the examination, smoothpeaks were obtained and the homogeneous distribution resulted in phase stability. A FE-SEM analysis demonstrated the presence of fibrous structures following the addition of MWCNTs, indicating that this approach would promote adhesion and healing of the tissue, as well as a fibrous arrangementthat mimics that of natural bone. The results also showed improvements in mechanical properties by approximately 57%, 38%, 45%, and 6.5% due to the addition of MWCNTs compared to the version sample. Based on the experimental results, the study highlights the potential of these composites inbone reconstruction applications.</jats:p>