Mechanical characterisation of a low-thickness ceramic tile cladding subject to ageing phenomena

Bazzocchi, Frida; Bertagni, Stefano; Ciacci, Cecilia; Colonna, Emiliano; Naso, Vincenzo

doi:10.1016/j.jobe.2019.101105

Cited by 5 publications

(4 citation statements)

References 6 publications

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“…Some studies in the literature have already indicated that for applications in ceramic tiles the water absorption must be up to 22%, and all the evaluated mixtures met this requirement 40 . Very low values can be problematic, as it can affect under conditions of final durability of the material, so we can indicate that with the addition of the glass waste and with a ratio of SiO 2 /Al 2 O 3 in the order of 3.5 or 4 it is suitable according to water absorption for these specimens 39 .…”

Section: Resultsmentioning

confidence: 99%

Use of glass polishing waste in the development of ecological ceramic roof tiles by the geopolymerization process

Azevedo¹,

Marvila²,

Rocha³

et al. 2020

Int J Applied Ceramic Tech

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The production process of ceramic roof tiles requires a large consumption of natural raw material, such as clay, and energy consumption in the sintering process. Thus, the objective of this research was the development of more ecological tile for civil construction, adopting the process of geopolymerization, which does not require burning, and the use of glass polishing waste, in partial replacement of natural raw material. Prismatic specimens were made with a ratio of alkaline solution/ (metakaolin + waste) = 0.26 and variation of the curing time in 7, 28, and 60 days, and a ratio of precursors with SiO 2 /Al 2 O 3 varying in 2.5, 3.0, 3.5, and 4.0 for the evaluation of technological properties such as apparent specific mass, linear shrinkage, water absorption, and mechanical resistance to flexion, in addition to microstructural evaluations and the physical, chemical, and mineralogical characterization of the waste. The results showed that the glass waste had potential for use as a precursor in the geopolymerization process, and that the specimens with a 7 days cure and a SiO 2 /Al 2 O 3 = 4 ratio are the most recommended for the production of roof tiles for civil construction. K E Y W O R D S ceramic roof tiles, geopolymerization, glass polishing waste How to cite this article: de Azevedo ARG, Marvila MT, Rocha HA, Cruz LR, Vieira CMF. Use of glass polishing waste in the development of ecological ceramic roof tiles by the geopolymerization process. Int

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Section: Resultsmentioning

confidence: 99%

Use of glass polishing waste in the development of ecological ceramic roof tiles by the geopolymerization process

Azevedo¹,

Marvila²,

Rocha³

et al. 2020

Int J Applied Ceramic Tech

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“…Some previous studies, such as Bazzocchi et al [ 19 ], investigated thinning porcelain stoneware tiles without compromising flexural strength, finding minimal impact from the glass fiber network. Our research achieved a notable increase in flexural strength while lowering energy consumption at 1120 °C firing temperature, enhancing sustainability in ceramic tile production.…”

Section: Discussionmentioning

confidence: 99%

“…Several authors have identified strategies to improve energy efficiency in the different processes of the ceramic industry, ranging from waste heat utilization [ 11 , 12 , 13 , 14 ], equipment optimization [ 8 ] and incorporation of renewable energy use in the atomizing [ 15 , 16 , 17 , 18 ], drying and firing processes. Few studies have focused on the reduction of thickness to improve energy efficiency and the use of materials in other ceramic tile groups such as porcelains tiles [ 9 , 19 , 20 , 21 ], whose apparent thermal conductivity has not been considered as an important characteristic for the reduction of energy consumption.…”

Section: Introductionmentioning

confidence: 99%

Impact of Nanoparticle Additions on Life Cycle Assessment (LCA) of Ceramic Tiles Production

Saavedra,

Osma

2024

Nanomaterials

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The ceramic tile industry, with significant energy and material demands in its manufacturing processes, has employed technological innovations in energy efficiency, advanced equipment and tile thickness reduction to address these challenges. This study aimed to assess the impact of Ag2O, CuFe2O4, Fe3O4, and SiO2 nanoparticles (0%, 1%, and 5% by weight) on the mechanical strength, water absorption, and apparent thermal conductivity of ceramic tiles, as well as their capacity to reduce energy and raw material consumption. This reduction translates into a decrease in environmental impacts, which have been evaluated through life cycle assessment (LCA) methodology applied to the manufacturing processes. Nanoparticles (Ag2O, CuFe2O4, Fe3O4, and SiO2) were initially screened on TF clay (0%, 1%, 5% w/w), and the most effective were applied to CR1 and CR2 clays (0%, 1%, 5% w/w). Findings indicated a 32% increase in temperature gradient and a 16% improvement in flexural strength with the addition of Fe3O4 nanoparticle at 1% (w/w) in TF clay. Furthermore, there was a potential 48% reduction in energy consumption, and up to 16% decrease in tile weight or thickness without affecting the flexural strength property of the test tiles. LCA results demonstrated that the addition of Fe3O4 nanoparticle has potential reductions of up to 20% in environmental impacts. This study suggests that nanoparticle addition offers a viable alternative for reducing energy and material consumption in the ceramic tile industry. Future research should focus on assessing the economic impact of transitioning to a sustainable business model in the ceramic tile industry with nanoparticles addition.

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“…7 However, this standard does not address the issue of mechanical degradation over time. 8 The cladding used in this system are also used in other sectors of civil construction and their properties are not intended for that specific use.…”

Section: Methods Of Characterizationmentioning

confidence: 99%

Thermal evaluation of the use of porous ceramic plates on ventilated façades – Part I: Effect of composition and firing temperature on porosity and bending strength

Pizzatto

Angioletto

et al. 2021

Int J Applied Ceramic Tech

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The effect of composition and firing temperature on porosity and bending strength of porous ceramic plates for using in ventilated façades were investigated. Two byproducts, basalt and lime mud, were used to obtain porous ceramic plates in accordance with the circular economy concept. Basalt, which is a fine powder‐based byproduct generated from the processing of basaltic rock, was used to replace feldspar as the flux mineral in a ceramic composition. Lime mud, a byproduct of the pulp and paper mill process and containing a high content of calcium carbonate (CaCO3), was incorporated in the ceramic composition to generate pores. The specimens were prepared using three different amounts of lime mud (20, 30, and 40 wt%) and three firing temperatures (900°C, 1000°C, and 1100°C), and their porosity and bending strength were determined. The highest performing specimen (5.1 ± 1.3 MPa bending strength and 42.6 ± 0.5% porosity) was obtained by using 40 wt% of lime mud and a firing temperature of 1100°C with potential for further thermal tests in a ventilated façade in comparison with a commercial porcelain ceramic tile as reference material.

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Mechanical characterisation of a low-thickness ceramic tile cladding subject to ageing phenomena

Cited by 5 publications

References 6 publications

Use of glass polishing waste in the development of ecological ceramic roof tiles by the geopolymerization process

Use of glass polishing waste in the development of ecological ceramic roof tiles by the geopolymerization process

Impact of Nanoparticle Additions on Life Cycle Assessment (LCA) of Ceramic Tiles Production

Thermal evaluation of the use of porous ceramic plates on ventilated façades – Part I: Effect of composition and firing temperature on porosity and bending strength

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