التفاصيل البيبلوغرافية
| العنوان: |
Sinterability properties of a ceramic synthesized from Algerian kaolin and spent magnesia-carbon refractory bricks. |
| المؤلفون: |
Mebrek, Alima |
| المصدر: |
International Journal of Advanced Manufacturing Technology; Nov2021, Vol. 117 Issue 3/4, p823-834, 12p, 1 Diagram, 4 Charts, 14 Graphs |
| مصطلحات موضوعية: |
KAOLIN, SPINEL, BRICKS, CERAMICS, CRISTOBALITE, FIREBRICK, CORDIERITE |
| مصطلحات جغرافية: |
ALGERIA |
| مستخلص: |
This research aims to study the influence of the sintering temperature on the microstructural and physical properties for application as refractory bricks. Kaolin DD3 (from Djebel Debbagh, Guelma-Algeria) and spent magnesia-carbon refractory bricks mixtures (MgO-C) with relative weight ratios of 95/5 were synthesized by solid oxide reaction route at sintering temperatures of 1000, 1100, 1200, 1300, and 1400°C. The phases and their transformations during heating were investigated using X-ray diffraction analysis (XRD), scanning electronic microscopy (SEM), and helium pycnometer (AccuPyc II 1340). XRD results indicated the changes in the sintered pellets. The phase changes were mullite and α-low cristobalite at the sintering temperature of 1000°C. Cordierite begins to appear at 1100°C, and it increases as the sintering temperature rise, whereas the mullite and cristobalite phases decrease. At 1400°C, a magnesium aluminate spinel is formed with the presence of mullite, α-low cristobalite, and cordierite. SEM analysis was carried out to observe the surface morphology and the density decreased with rising sintering temperature. [ABSTRACT FROM AUTHOR] |
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| قاعدة البيانات: |
Complementary Index |
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