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Estudiamos aquí cómo parámetros de calcinación como la temperatura y la duración influyen en la composición de fases y la resistencia a la corrosión de los recubrimientos de dióxido de titanio (TiO2) anodizados. Se sintetizaron las fases de anatasa y rutilo del TiO2 en superficies de titanio mediante anodización a 40 V, seguida de calcinación a 350 °C y 450 °C, respectivamente. Se utilizó la espectroscopía de impedancia electroquímica (EIS) para evaluar estas propiedades y comportamientos. Los resultados indicaron que los tiempos de calcinación más largos y las temperaturas más altas favorecieron la fase rutilo, en tanto que los tiempos más cortos resultaron en recubrimientos con una mezcla de anatasa y rutilo. La fase rutilo mostró una resistencia superior a la corrosión debido a una cristalización más completa y la reducción de defectos estructurales. El estudio subraya la importancia de optimizar los parámetros de calcinación para alcanzar las fases cristalinas deseadas y mejorar propiedades como la resistencia a la corrosión, con implicaciones prometedoras para aplicaciones en entornos corrosivos y sujetos a desgaste mecánico.
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