Impact of the addition of dolomite to cream‐firing clays on the technological and color properties of sintered ceramics

Wiśniewska, Kornelia; Pichór, Waldemar; Kłosek-Wawrzyn, E

doi:10.1111/ijac.13719

Cited by 6 publications

(13 citation statements)

References 11 publications

(21 reference statements)

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“…Chemical composition of the raw materials (Borkowice clay and Ołdrzychowice dolomite) is shown in Table 3. Phase composition of Borkowice clay indicates the presence of large quantities of kaolinite, illite, and quartz [10], which is a proof of the kaolinite-illite character of the raw material. The semiquantitive ratio of kaolinite:illite:quartz was calculated based on the XRD analysis using X'PertHighscore program.…”

Section: Chemical Composition Analysis (Xrf) Of Raw Materialsmentioning

confidence: 91%

“…Two different grain sizes of dolomite samples were prepared by dry milling. The paper presents an analysis of the properties of raw materials performed as part of previous research [10]. Extensive raw materials analysis was carried out.…”

Section: Methodsmentioning

confidence: 99%

“…The materials fired at 1150 • C are characterized by a decrease in the value of these properties, regardless of the type of dolomite used. In addition, a decrease in the mechanical strength of the ceramics with the addition of dolomite fired at 1130 • C and an increase in the mechanical strength of the ceramic materials with the addition of dolomite fired at 1150 • C was observed [10]. For comparison, dolomite addition also influences different clay types.…”

Section: Introductionmentioning

confidence: 91%

“…Influence of the dolomite addition to clays with a cream color after firing on the properties of the final ceramic products was already investigated [10]. The addition of dolomite applied to the ceramic mass made of cream-firing clay caused a change in the properties of ceramic materials.…”

Section: Introductionmentioning

confidence: 99%

“…As a consequence, the addition of dolomite intensifies the sintering process, which leads to a change in the physicochemical properties of the materials. The benefits of using dolomite as an addition to ceramic masses include an increase in frost resistance [11] and mechanical strength [10,11] as well as a decrease in water absorption [10]. Therefore, the addition of dolomite extends the life cycle of bricks and ceramic tiles fired at an appropriate temperature.…”

Section: Introductionmentioning

confidence: 99%

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Influence of Firing Temperature on Phase Composition and Color Properties of Ceramic Tile Bodies

2021

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This study is focused on the behavior of the cream-firing clays from Opoczno region (Poland). The ceramic masses on which tests were carried out consisted of cream-firingBorkowice clay and dolomite in two different grain sizes as an additive that changes the color of ceramic materials. Test samples were prepared by plastic method and fired at range of 1100–1240 °C. Phase composition of theinvestigated materials was characterized by XRD method with quantitive analysis of the amorphous phase determined by the Retvield technique.Color properties of the surface of the obtained ceramic materials were determined in CIE-Lab color space. The phase composition of the obtained ceramics depends on the firing temperature. The color of the surface of the ceramic materials also depends on the firing temperature. There was a tendency to decrease the brightness, decrease the blue shade, and increase the yellow shade of the surface of materials with increasing the temperature. The conducted tests allowed to conclude that the color of ceramic materials depends on their phase composition. The most important role in the formation of color correspond to the amorphous phase, formed during the process. The lower content of the amorphous phase in the material allows to obtain brighter products with a lower proportion of yellow, and therefore closer to white. Moreover, following tests were carried out: total water absorption, total open porosity, linear shrinkage, and flexural strength. With increasing the temperature, total water absorption and total open porosity decrease, and total linear shrinkage increases due to the progressive sintering process. Flexural strength increases with the increase of the firing temperature for materials consisting of Borkowice clay. The addition of dolomite introduced new pores into the material, which resulted in an increase in flexural strength at lower firing temperatures and a decrease in flexural strength at higher firing temperatures.

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Section: Chemical Composition Analysis (Xrf) Of Raw Materialsmentioning

confidence: 91%

Section: Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 91%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Influence of Firing Temperature on Phase Composition and Color Properties of Ceramic Tile Bodies

2021

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Optimizing Soil Moisture in Subsurface Irrigation System Based on Porous Clay Capsule Technique

vaghei

Bahrami

Saleh

2023

Water Resour Manage

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A clay capsule is one of the porous pipes in a sub-irrigation system that can release water near the root zone. This paper has attempted to improve the physical and hydraulic properties of clay capsules based on changing the percentage of organic matter in the raw materials. The raw material used for making clay capsules is obtained from the calcareous soil of Nasr Abad village of Gorgan, Iran. The ratio of rice bran to calcareous soil as improving hydraulic properties was 1:2, 1:5, 1: 10, 1:15, and 1:20 (kg of rice bran to kg of air-dried soil). The produced clay capsules were named G2, G5, G10, G15, and G20 respectively. The water discharge and soil water distribution of clay capsules were measured at 10, 25, 50, 80, and 100 kPa of hydrostatic pressures by a discharge-pressure automation instrument. The results showed a signi cant relationship between discharges of porous clay capsules and organic matter mixed with raw material. Also, the results show that with increasing organic matter percentage in the clay capsule component, the discharge of clay capsules increased. The relationship between discharges of G10, G15, and G20 with hydrostatic pressure is linear, and in G2, and G5, this relationship becomes nonlinear. Meanwhile, the soil wetting shape followed a spherical trend due to the slow seepage of clay capsules. But the soil wetting shapes in G10, G15, and G20 were completely spherical, and in G5 and G2 trended to ellipsoid vertically. Finally, this is of signi cance for irrigating plants in arid and semi-arid regions. Highlights-Introduction of sub-irrigation method that apply for irrigating plants in arid and semi-arid regions.-Introduction of buried porous clay capsule that can release water in near root zone.-Introduction of a solution to reduce water losses for many orchards at arid and semi-arid regions -Introduction of the soil wetness by clay capsule types for installing into the soil.

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Modeling and simulation of ceramic tiles linear shrinkage variation during the sintering process

Jayaweera,

Narayana,

Adikary

2024

Forces in Mechanics

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Impact of the addition of dolomite to cream‐firing clays on the technological and color properties of sintered ceramics

Cited by 6 publications

References 11 publications

Influence of Firing Temperature on Phase Composition and Color Properties of Ceramic Tile Bodies

Influence of Firing Temperature on Phase Composition and Color Properties of Ceramic Tile Bodies

Optimizing Soil Moisture in Subsurface Irrigation System Based on Porous Clay Capsule Technique

Modeling and simulation of ceramic tiles linear shrinkage variation during the sintering process

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