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Synthesis of Ceramic Tiles Reinforced with Addition of Aluminum Particulate Waste



Author(s)

Carla Tainara de Oliveira Lima, Rafael Pacheco Evangelista, Carlos Alberto França Junior, Aldemiro José Rocha Palma and Mirtânia Antunes Leão

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DOI:10.17265/1934-7359/2023.10.002

Academic Department of Mechanical Technology, Federal Institute of Education, Science and Technology of Bahia, Campus Salvador, BA 40301-015, Brazil

Research conducted on ceramic materials has been investigating the incorporation of solid waste into their formulations, driven by the proper disposal of such waste and the reduction of negative environmental impacts. This study analyzed the effects of adding aluminum powder residue to the physical properties of ceramic masses with the aim of obtaining new formulations for ceramic tiles. The aluminum residue and the standard mass for ceramic tile production were chemically characterized and homogenized to obtain new formulations with the incorporation of 4%, 6%, 8%, and 10% aluminum powder in the ceramic mass. The specimens were uniaxially pressed and sintered at a temperature of 1,200 °C for 2 h, undergoing three different temperatures (100 °C, 400 °C, and 650 °C) for 30 min each. They were evaluated for WA (water absorption), LS (linear shrinkage), SEM (scanning electron microscopy), and FS (flexural strength) modulus. The results demonstrate that the addition of aluminum powder residue is feasible in the proposed formulations (4%, 6%, 8%, and 10%), as they enhance the mechanical properties of the ceramics compared to the formulation with 0% residue, at a sintering temperature of 1,200 °C.

Ceramics, ceramic tiles, metallic waste, aluminum waste.