What is the most relevant method for water absorption determination in ceramic tiles produced by illitic-kaolinitic clays? The mystery behind the gresification diagram

Pezo, Lato; Vasić, Milica; Mijatović, Nevenka; Mitrić, Miodrag; Radojević, Zagorka

doi:10.1016/j.bsecv.2020.11.006

Cited by 9 publications

(26 citation statements)

References 35 publications

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“…Moreover, there was a strong dependence between total water absorption (and thus, total open porosity) and the firing temperature. Total water absorption and total open porosity decreased with increasing firing temperature, which was caused by the sintering process [ 25 ]. According to Figure 2 c, it was observed that the addition of limestone caused a decrease in linear shrinkage during the thermal treatment of the samples and that the linear shrinkage increased with the increase in dominant grain size of the used additive.…”

Section: Resultsmentioning

confidence: 99%

Influence of the Grain Size Distribution of the Limestone Additives on the Color Properties and Phase Composition of Sintered Ceramic Materials Based on Cream-Firing Clays

et al. 2022

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The study focused on determining color changes in materials made of cream-firing clays from the Opoczno region (Poland) due to the addition of calcium carbonate in the form of limestone. Moreover, the influence of the grain size distribution of this additive on the color properties of the materials and their phase composition was determined. Test samples were prepared using theplastic method and fired at four different temperatures: 1120, 1140, 1160 and 1180 °C. The color properties of the surface of ceramic materials were determined in CIE-Lab color space using a colorimeter. Quantitative phase analysis was performed using the Rietveld method. The research showed that the addition of calcium carbonate causes an increase in the yellow color factor and a decrease in the red color factor and the brightness of the material. Moreover, it was proven that the grain size distribution of the additive used significantly influences the phase composition of the materials, thus determining the values of physical properties and the color of the materials.

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Section: Resultsmentioning

confidence: 99%

Influence of the Grain Size Distribution of the Limestone Additives on the Color Properties and Phase Composition of Sintered Ceramic Materials Based on Cream-Firing Clays

et al. 2022

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“…The grinding of the as-received samples was done manually using a crusher. Afterward, the granulometry analysis was completed according to the standardized procedure by the combined method of hydrometry and wet sieve analysis [28]. After grinding and selecting the fraction below 0.5 mm for further use, a residue on a sieve of +63 microns in size was determined by wet sieving as a fast method of determining the fineness of the materials.…”

Section: Methodsmentioning

confidence: 99%

“…The total content of carbonates (CCC) was determined by Scheibler's volumetric method [29]. The chemical (energy dispersive X-ray fluorescence (XRF)) and mineralogical (X-ray diffraction analysis (XRD)) compositions were determined using the SpectroXepos instrument (Kleve, Germany) and Philips 1050 X-ray powder diffractometer (Amsterdam, The Netherlands), respectively, in the same way as previously described [28]. The semi-quantitative determination of minerals detected by XRD was determined by the reference intensity ratio method [30].…”

Section: Methodsmentioning

confidence: 99%

“…Behavior during the firing of the samples was examined instrumentally by dilatometry analysis (Setaram, Lyon, France) [28] and differential scanning calorimetry and thermal gravimetry (SDT Q600, TA Instruments, Hüllhorst, Germany) in the oxidizing environment [32].…”

Section: Methodsmentioning

confidence: 99%

“…The samples were wet-pressed to tiles (25 × 120 mm 2 and 50 × 120 mm 2 ). The molds were designed by the furrows to mark the place where the measuring of dimensions is to be conducted [28].…”

Section: Methodsmentioning

confidence: 99%

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Aplitic Granite Waste as Raw Material for the Production of Outdoor Ceramic Floor Tiles

2022

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One of the significant problems in the production of ceramic tiles is the very high consumption of natural resources such as clay, feldspar, and quartz. The possibility of replacing part of the formulation of ceramic batches is of great importance. In this research, the possibility of using aplitic granite waste from dimensional stone production was analyzed in detail. The waste is considered a low-cost substitute for feldspar in Serbia. The milled powdery waste was analytically tested to reveal its chemical and mineralogical contents, particle size distribution, and other important properties. The ceramic tiles containing aplitic granite waste (GW) and GW/raw clay mixture (CGW) were hydraulically pressed, and the ceramic and technological properties determined. This waste can act as a filler while forming, drying, and firing, since the high content of quartz helps to control the shrinkage and acts as a fluxing agent in high temperatures due to its feldspathic nature. The waste was found favorable in the production of ceramic tiles, as the gained values of modulus of rupture and water absorption were 28.68 MPa and 1.33%, respectively. The parameters defined in the series of standards EN ISO 10545 were tested on a semi-industrial probe, determining that this combination of materials (without the addition of quartz) may be efficiently used to produce ceramic floor tiles. The usage of what would otherwise be waste material contributes to sustainable management and environmentally friendly solutions by avoiding landfilling, while at the same time it enabling the conservation of scarce natural feldspar deposits.

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Raw kaolinitic–illitic clays as high-mechanical-performance hydraulically pressed refractories

Vasić

Radovanović

Pezo

et al. 2022

J Therm Anal Calorim

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The usage possibility of 19 composites of raw refractory clays from Serbia containing approximately 53.29% of SiO 2 and 26.73% of Al 2 O 3 is presented. The sum of uxing oxides was 57.74%, while these materials contained 32% of quartz, 29% of kaolinite and 26% of illite-mica. Dilatometry tests revealed a sudden shrinkage with the peak at approximately 1115 °C, owing to the formation of mullite. The refractoriness was in the range of 1581-1718 °C, which classies the composites from low-to high-duty refractories. Based on correlation analysis, the refractoriness mostly depended on the content of alumina. The lightness of the red test pieces was lower after ring when compared to the dry samples, and it decreased with the ring temperature from reddish to grayish. The study presents a novel attempt to dene all the necessary properties of raw refractory clays and products red at the 1100-1300 °C range on a laboratory level. Most of these clays can be used as natural refractory materials for ceramic and glass furnace lining. The organic matter in some of the samples inuences negatively the fast-ring process.

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What is the most relevant method for water absorption determination in ceramic tiles produced by illitic-kaolinitic clays? The mystery behind the gresification diagram

Cited by 9 publications

References 35 publications

Influence of the Grain Size Distribution of the Limestone Additives on the Color Properties and Phase Composition of Sintered Ceramic Materials Based on Cream-Firing Clays

Influence of the Grain Size Distribution of the Limestone Additives on the Color Properties and Phase Composition of Sintered Ceramic Materials Based on Cream-Firing Clays

Aplitic Granite Waste as Raw Material for the Production of Outdoor Ceramic Floor Tiles

Raw kaolinitic–illitic clays as high-mechanical-performance hydraulically pressed refractories

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