USING FLY ASH AS A RAW MATERIAL FOR CERAMIC TILES.
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| Title: | USING FLY ASH AS A RAW MATERIAL FOR CERAMIC TILES. |
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| Authors: | MINH, D. Q.1,2, NHI, N. V. U.1,2, ANH, L. T. Q.1,2, KIEN, K. D. T.1,2 kieudotrungkien@hcmut.edu.vn |
| Source: | Archives of Metallurgy & Materials. 2025, Vol. 70 Issue 3, p1441-1446. 6p. |
| Subjects: | Fly ash, Ceramic tiles, Density, Raw materials, X-ray diffraction, Mullite, Bending strength, Permeability |
| Abstract: | Ceramic tiles are among the most commonly used ceramic products. However, the excessive consumption of natural resources poses a significant challenge for this industry. This article presents test results using 0-20 wt.% fly ash as a raw material for producing ceramic tiles fired at 1150°C. Fly ash serves as an alternative to traditional raw materials. The findings demonstrated that a fly ash content of 7.5 wt.% was optimal, resulting in the highest bending strength (45.10 MPa) and favorable values for other parameters, including volumetric density (2.41 g/cm³), actual density (2.48 g/cm³), apparent density (2.43 g/cm³), and water absorption (0.28%), all of which remained within permissible limits. Analysis using X-ray Diffraction and Differential Scanning Calorimetry revealed that the primary mineral constituents of the product are quartz, mullite, fayalite, sillimanite, and albite. Notably, fly ash plays a pivotal role in facilitating mullite formation. [ABSTRACT FROM AUTHOR] |
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| Database: | Engineering Source |
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