Synthesis and Characterization of an Experimental Silica-Based Composite Ceramic Added with Nano-Sized Bovine Hydroxyapatite
SSRN, ISSN: 1556-5068
2022
- 365Usage
- 2Captures
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Example: if you select the 1-year option for an article published in 2019 and a metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019. If you select the 3-year option for the same article published in 2019 and the metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019, 2018 and 2017.
Citation Benchmarking is provided by Scopus and SciVal and is different from the metrics context provided by PlumX Metrics.
Article Description
Aimed to produce an experimental dense SiO 2 /HA composite ceramic that was physicochemical and microstructurally characterized varying the sintering temperature and the addition of PVB. Ball mill technique was used to mixture fumed silica and nano-HA from bovine bone source. Groups are divided into 3, 5 and 10% of HA addition, 1.2 and 2.4 wt.% of PVB, and 1100, 1200 and 1300 °C to firing plateau (4h). Characterization was performed by Scanning Electron Microscopy (SEM), Energy Dispersive X-ray Spectroscopy (EDX), X-ray Diffraction (XDR) and Fourier Transform Infrared (FTIR). Considering the microstructural evolution, the temperature of 1200 °C presented potentialized chemical bonds without the degradation of HA at XDR profile. As the temperature increases the HA is degraded, losing the calcium-phosphate bands and consequently the CO 2 band becomes more prominent at FTIR spectra. The concentration of PVB showed no chemical changes in the composite ceramic. SEM images suggests that 2.4 wt.% of PVB result in optimized compaction and a lower incidence of cracks and pores, which should be investigated using additional supporting methods. It is noteworthy that additional methodologies are necessary for a complete scan of composition possibilities. Nevertheless, this study suggests that the composite ceramic with 5% of HA with 2.4 wt.% of PVB, sintered at 1200 °C, exhibit potentially superior properties to biomaterial applications.
Bibliographic Details
Elsevier BV
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