Synthesis and sintering of nanocrystalline hydroxyapatite powders by citric acid sol–gel combustion method
Source abstract
Abstract
Abstract The citric acid sol–gel combustion method has been used for the synthesis of nanocrystalline hydroxyapatite (HAP) powder from calcium nitrate, diammonium hydrogen phosphate and citric acid. The phase composition of HAP powder was characterized by X-ray powder diffraction analysis (XRD). The morphology of HAP powder was observed by transmission electron microscope (TEM). The HAP powder has been sintered into microporous ceramic in air at 1200 °C with 3 h soaking time. The microstructure and phase composition of the resulting HAP ceramic were characterized by scanning electron microscope (SEM) and XRD, respectively. The physical characterization of open porosity and flexural strength have also been carried out.
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Research context
OpenAlex topics: Bone Tissue Engineering Materials · Inorganic Chemistry and Materials · Advanced ceramic materials synthesis
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