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Updated: Jul 11, 2026

Fused Filament Fabrication (FFF) of Metal-Ceramic Components
Published on: January 11, 2019
Comparison of the properties of glass, glass-ceramic and ceramic materials produced from coal fly ash
M Erol1, S Küçükbayrak, A Ersoy-Meriçboyu
1Department of Chemical Engineering, Chemical & Metallurgical Engineering Faculty, Istanbul Technical University, Maslak, Istanbul, Turkey. erolm@itu.edu.tr
Abstract:
Glass, glass-ceramic and ceramic materials were produced from thermal power plant fly ash without any additives. X-ray diffraction (XRD) analysis revealed the amorphous phase of the glass sample. Augite phase was detected in the glass-ceramic sample, while the enstatite and mullite phases occurred in the ceramic samples. Scanning electron microscopy (SEM) investigations showed that tiny crystallites homogeneously dispersed in the microstructure of the glass-ceramic sample and elongated crystals formed in the ceramic samples. Density values of the obtained samples are comparable to those of the commercially produced glass, glass-ceramic and ceramic samples. Toxicity characteristic leaching procedure (TCLP) results indicated that the produced samples could be taken as non-hazardous materials. Produced samples showed high resistance to alkali solutions in contrast to acidic solutions. Microstructural, physical, chemical and mechanical properties of the produced glass-ceramic samples are better than those of the produced glass and ceramic samples.
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