Navegando por Autor "Costa, C. E. F."

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Synthesis and thermal characterization of zirconium titanate pigments
(Springer, 2004-02) Costa, C. E. F.; Crispim, Samara C. L.; Lima, Severino Jackson Guedes; Paskocimas, Carlos Alberto; Silva, Elson Longo da; Fernandes Júnior, Valter José; Araújo, Antônio Souza de; Santos, Ieda Maria Garcia dos; Souza, Antônio Gouveia de
The objective of this work was to obtain modern pigments based on zirconium titanate doped with nickel and cobalt using polymeric precursor method. Thermal evolution of ZrTiO4 phase was determined. After primary calcination, the material still exhibits two thermal composition events. Calcination was done between 500 and 1000°C, to morphological and structural characterization. Surface area decreased exponentially with temperature increase, while crystallite size increased. ZTCo and ZTNi pigments were applied on ceramic tiles and the good quality of the pigment was observed

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