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      Desenvolvimento de adoquim cerâmico com argilas cauliníticas, chamote e argilito Translated title: Development of ceramic paver with kaolinitic clays, grog and argillite

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          Abstract

          Este trabalho tem por objetivo desenvolver uma massa cerâmica com argilas cauliníticas, chamote e argilito visando à obtenção de pavimento intertravado tipo adoquim. Inicialmente, as matérias-primas foram submetidas a ensaios de caracterização física, química e mineralógica. Corpos-de-prova cilíndricos foram preparados por prensagem uniaxial a 20 MPa e queimados em forno tipo mufla a 850 ºC. As propriedades tecnológicas avaliadas foram: absorção de água, retração diametral e resistência à compressão uniaxial. A análise microestrutural das composições foi feita por microscopia eletrônica de varredura. Os resultados indicaram que o argilito reduziu significativamente a absorção de água e a retração das composições. O chamote reduziu a retração diametral de queima e a resistência mecânica. Quanto à absorção de água o chamote não alterou significativamente esta propriedade. A melhor formulação desenvolvida é constituída por 50% em peso de argilas e 50% de argilito.

          Translated abstract

          This work has for objective the development a ceramic body for ceramic paver using kaolinitic clays, argillite and grog. The raw materials were submitted to physical, chemical and mineralogical tests. Cylindrical specimens were uniaxially mold-press and then fired at 850 ºC. The evaluated technological properties were: water absorption, diametral shrinkage and uniaxial compressive strength. The microstructure of the fired ceramics was evaluated by electron scanning microscopy. The results show that the argillite significantly decreased the water absorption and the shrinkage of the clayey body. The grog also decreased the shrinkage, but also decreased the mechanical strength. With respect to the water absorption, the grog did not change this property of the composition elaborated with clays and argillite. The best development formulation is constituted by50 wt.% of clays and 50% by argillite.

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          Most cited references13

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          Cerâmica

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            Tile & Brick Int.

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              Cerâmica Ind.

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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Journal
                ce
                Cerâmica
                Cerâmica
                Associação Brasileira de Cerâmica (São Paulo )
                1678-4553
                June 2013
                : 59
                : 350
                : 310-316
                Affiliations
                [1 ] Universidade Estadual do Norte Fluminense Brazil
                Article
                S0366-69132013000200017
                10.1590/S0366-69132013000200017
                17da72b1-81a2-4e1c-bdbb-966d13335f25

                http://creativecommons.org/licenses/by/4.0/

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                SciELO Brazil

                Self URI (journal page): http://www.scielo.br/scielo.php?script=sci_serial&pid=0366-6913&lng=en
                Categories
                MATERIALS SCIENCE, CERAMICS

                Ceramics
                ceramic paver,clay,argillite,red ceramic,grog,adoquim,argila,argilito,cerâmica vermelha,chamote
                Ceramics
                ceramic paver, clay, argillite, red ceramic, grog, adoquim, argila, argilito, cerâmica vermelha, chamote

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