Plastic behaviour of clay materials for the manufacture of fast-drying red ceramics

Nandi, V. S.; Zaccaron, Alexandre; Raupp-Pereira, F.; Arcaro, Sabrina; Bernardin, Adriano Michael; Montedo, Oscar Rubem Klegues

doi:10.1180/clm.2023.9

Clay miner.

2023

DOI: 10.1180/clm.2023.9

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Plastic behaviour of clay materials for the manufacture of fast-drying red ceramics

V. S. Nandi

Alexandre Zaccaron

F. Raupp-Pereira

et al.

Abstract: This is a 'preproof' accepted article for Clay Minerals. This version may be subject to change during the production process.

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Cited by 3 publications

References 56 publications

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Fast-drying of red ceramics: A new evaluating approach based on the combined use of optical dilatometry and thermogravimetric analysis

Nandi,

Zaccaron,

Wermuth

et al. 2024

Ceramics International

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Fast-drying of red ceramics: A new evaluating approach based on the combined use of optical dilatometry and thermogravimetric analysis

Nandi,

Zaccaron,

Wermuth

et al. 2024

Ceramics International

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Sustainable approach to raw clays for ceramic and refractory applications: insights from updated traditional ternary diagrams

Vasić,

Muñoz Velasco,

Mijatović

et al. 2024

Clay miner.

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The study analysed 93 samples from four Serbian clay deposits to determine their suitability for ceramics production. The samples were mainly composed of illite and kaolinite. Ternary diagrams were used to classify the samples and evaluate their applicability. Winkler's diagrams, ternary graphs and mineralogical compositions were analysed. The results showed a broader area in these graphs than previously determined for structural ceramics, as well as the potential of these clays for ceramic production. The study used dry-milled, hydraulically semi-dry, pressed and fired samples to assess water absorption and flexural strength and statistical analysis to determine the key parameters influencing final product quality, including that of refractory, wall and floor tiles. This paper evaluates the raw clay materials’ applicability in ceramic production, promoting sustainable use through rapid initial tests, energy savings through dry milling and ecologically sound principles through resource-efficient evaluation.

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Sustainable Mining: Reuse of Clay from Abandoned Areas in the South of Brazil for Ceramic Production Based on a Simplex Design

Saviatto,

Zaccaron,

Nandi

et al. 2023

Materials

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The environmental impact of clay mining can be minimized using extractive mineral circularity practices. Combining the available knowledge of the characteristics of different clays with statistical tools was a decisive step for the improved use of mining resources. Through blends, all the mined materials can be incorporated to produce quality ceramic products. This study identified two types of clay from abandoned mining areas in the southern state of Santa Catarina, Brazil. These raw materials were valued together with plastic clay, which is widely used in the region, to develop 10 different formulations using a mixture design method. The clays were characterized using average granulometric distribution, mineralogical composition, and chemical, thermal and plasticity analyses. The specimens were shaped by extrusion, dried in an oven, fired in a muffle furnace and characterized based on their shrinkage, water absorption and compressive strength values. Two clays with varying characteristics—one with low workability and the other with a high silica content—exhibited difficulties (generating defects) in the extrusion shaping process, which compromised the final quality of the ceramic paste. Results showed that incorporating up to 45% by mass of the low-workability clay resulted in an increase in water absorption. The more siliceous clay improved dimensional control; however, its use at high contents (~80%) decreased the mechanical resistance. Nevertheless, when used in controlled amounts, these clays can be beneficial to the production of blocks and bricks because they have the potential to improve some properties of the finished ceramic products.

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Plastic behaviour of clay materials for the manufacture of fast-drying red ceramics

Abstract: This is a 'preproof' accepted article for Clay Minerals. This version may be subject to change during the production process.

Cited by 3 publications

References 56 publications

Fast-drying of red ceramics: A new evaluating approach based on the combined use of optical dilatometry and thermogravimetric analysis

Fast-drying of red ceramics: A new evaluating approach based on the combined use of optical dilatometry and thermogravimetric analysis

Sustainable approach to raw clays for ceramic and refractory applications: insights from updated traditional ternary diagrams

Sustainable Mining: Reuse of Clay from Abandoned Areas in the South of Brazil for Ceramic Production Based on a Simplex Design

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