2021
DOI: 10.33448/rsd-v10i10.18392
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Caracterização de argilas provenientes de indústria de cerâmica vermelha do Município do Crato – Ceará, Brasil

Abstract: Dentre os inúmeros produtos cerâmicos, destacam-se os produtos de cerâmica vermelha, também conhecidos no Brasil como cerâmica estrutural, usados na construção civil. A matéria-prima para a produção da cerâmica vermelha é a argila, mineral de baixo custo, proveniente da desintegração de rochas. A indústria de cerâmica vermelha é uma atividade econômica muito importante devido a geração de emprego e renda para a região do Cariri. Desse modo, a fim de se obter um melhor entendimento das propriedades dos materiai… Show more

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Cited by 3 publications
(4 citation statements)
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“…The characterization of kaolinitic clays with a high content of hematite (3.43% Fe2O3) is intrinsically correlated with the manifestation of a distinctive red color in the natural clay and after the firing process commonly used in the manufacturing of ceramics [40,41]. The presence of Fe 3+ can contribute to the formation of low-melting eutectics and reduce refractoriness; additionally, anatase, which is usually associated with the TiO2 content, may also contribute to variations in color tone [41]. This oxide (TiO2) is known as a glass modifier and can act at high temperatures to form a glass phase, which has the potential Quartz plays an important role in the ceramic process by acting as a deplasticizer in the extrusion process, assisting in the dimensional control of the piece, and ensuring the formation of capillaries in the shaped ceramic body, thereby facilitating drying [38,39].…”
Section: Raw Materials Characterizationmentioning
confidence: 99%
See 1 more Smart Citation
“…The characterization of kaolinitic clays with a high content of hematite (3.43% Fe2O3) is intrinsically correlated with the manifestation of a distinctive red color in the natural clay and after the firing process commonly used in the manufacturing of ceramics [40,41]. The presence of Fe 3+ can contribute to the formation of low-melting eutectics and reduce refractoriness; additionally, anatase, which is usually associated with the TiO2 content, may also contribute to variations in color tone [41]. This oxide (TiO2) is known as a glass modifier and can act at high temperatures to form a glass phase, which has the potential Quartz plays an important role in the ceramic process by acting as a deplasticizer in the extrusion process, assisting in the dimensional control of the piece, and ensuring the formation of capillaries in the shaped ceramic body, thereby facilitating drying [38,39].…”
Section: Raw Materials Characterizationmentioning
confidence: 99%
“…The characterization of kaolinitic clays with a high content of hematite (3.43% Fe 2 O 3 ) is intrinsically correlated with the manifestation of a distinctive red color in the natural clay and after the firing process commonly used in the manufacturing of ceramics [40,41]. The presence of Fe 3+ can contribute to the formation of low-melting eutectics and reduce refractoriness; additionally, anatase, which is usually associated with the TiO 2 content, may also contribute to variations in color tone [41]. This oxide (TiO 2 ) is known as a glass modifier and can act at high temperatures to form a glass phase, which has the potential to increase the strength of the samples [42].…”
Section: Raw Materials Characterizationmentioning
confidence: 99%
“…As propriedades físicas e químicas dos argilominerais do grupo das esmectitas são controladas basicamente por tamanho de partícula, formato de partícula, substituições na rede cristalina e área superficial (Rodrigues et al, 2020). Na construção civil a argila é utilizada para confecção de blocos, pisos, tubos e telhas cerâmicas bem como para fabricação de utensílios domésticos como cubas de pias ou lavabos, aparelhos sanitários e demais objetos aplicados à decoração do imóvel (Oliveira et al, 2021;Silva & Pereira, 2021).…”
Section: Introductionunclassified
“…Esse seguimento industrial desempenha um papel fundamental para economia brasileira, mas ainda se encontra pulverizado por todo território nacional, estando bastante presente na região do Cariri cearense. Em grande parte, o setor é de origem familiar, composto por micro e pequenas empresas, com utilização de tecnologia rudimentar, localizada em zonas rurais e com predominância de trabalho informal (Alves et al, 2021;Bustamante & Bressiani, 2000;Gomes & Henriques Júnior, 2010;Silva & Pereira, 2021).…”
Section: Introductionunclassified