Characterization on melt-derived bioactive glass powder from SiO 2 -CaO-Na 2 O-P 2 O 5 system

2017 ◽  
Vol 462 ◽  
pp. 23-31 ◽  
Author(s):  
Nurul Farhana Ibrahim ◽  
Hasmaliza Mohamad ◽  
Siti Noor Fazliah Mohd Noor
Keyword(s):  
2021 ◽  
Vol 1167 ◽  
pp. 23-33
Author(s):  
Alaa A. Mohammed

Polyetheretherketone (PEEK) is a semicrystalline thermoplastic polymer with high chemical resistance, thermal stability and excellent mechanical properties. In the present work, neat PEEK and 3% bioactive glass/PEEK composites were annealed at various temperatures (100 °C, 200 °C and 300 °C) for (30 and 60) min and characterized with mechanical and density tests, differential scanning calorimetery and Fourier transform infrared spectroscopy. Results manifested bioactive glass powder enhanced the properties of the PEEK matrix. Thermal annealing at (200 and 300 °C) had a positive influence on the mechanical properties and density owing to increase in the level of crystallinity, whereas annealing at (100 °C) had not effect on the properties.


2016 ◽  
Author(s):  
Nurul Farhana Ibrahim ◽  
Hasmaliza Mohamad ◽  
Siti Noor Fazliah Mohd Noor

2017 ◽  
Vol 43 (15) ◽  
pp. 11676-11685 ◽  
Author(s):  
Nurul Farhana Ibrahim ◽  
Hasmaliza Mohamad ◽  
Siti Noor Fazliah Mohd Noor ◽  
Nurazreena Ahmad

2021 ◽  
Vol 1039 ◽  
pp. 510-517
Author(s):  
Zainab I. Dhary ◽  
Saad B.H. Farid ◽  
Alaa A. Atiyah

Using the sol-gel process, glass powder was made. After the preparation method of the glass powder, x-ray analytical (XRD), particle size analysis and Fourier Transform Infrared (FTIR) were performed. The particle size analysis of manufactured glass (13-93) is found to be about 2.978 μm. (XRD) mode analysis suggested that the resulting porous scaffolds were amorphous. Using the process of salt leaching to create bioactive glass scaffolds (13-93) with structural and physical properties suitable for the human trabecular bone. XRD spectroscopy, scanning electron microscopy (SEM) and FTIR after sintering at temperature 750 °C were used to investigate the microstructure and chemical bonding of the porous scaffolds. The synthesized scaffold was soaked in medium of the simulated body fluid (SBF) and examined by SEM and XRD analysis in order to evaluate bioactivity. From the SEM morphology analysis results, it was noticed that the scaffolds comprised open and interconnected pores with a porosity range of 75-78%. High bioactivity of pours scaffolds was reported to have been observed after soaking 7days in SBF media because of the formation of apatite layer on its surfaces. Keywords: bioactive glass (13-93), scaffold, salt leaching method, SBF, sol-gel.


2021 ◽  
Vol 41 (2) ◽  
pp. 1695-1706
Author(s):  
Qaisar Nawaz ◽  
Araceli de Pablos-Martín ◽  
Juliana Martins de Souza e Silva ◽  
Lutz Berthold ◽  
Katrin Hurle ◽  
...  

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