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Electrical properties of reduced 3YTZP ceramics consolidated by spark plasma sintering

Opened Access Electrical properties of reduced 3YTZP ceramics consolidated by spark plasma sintering

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Autor: Poyato Galán, Rosalía
Macías Delgado, J.
García Valenzuela, Aurelio
González Romero, Roberto Luis
Muñoz Bernabé, Antonio
Domínguez Rodríguez, Alejandro
Departamento: Universidad de Sevilla. Departamento de Física de la Materia Condensada
Fecha: 2016
Tipo de documento: Artículo
Resumen: 3 mol% Yttria doped zirconia ceramics were consolidated by spark plasma sintering (SPS) at two sintering temperatures with the aim of achieving two different reduction levels. Microstructural characterization of the ceramics was performed by scanning electron microscopy (SEM). Electrical properties were investigated by means of impedance spectroscopy from room temperature up to 500 °C. The two ceramics presented a remarkably different electrical behavior. The effect of the extra electrons introduced by reduction during SPS on both the bulk and the grain boundary conductivity was analyzed and discussed.
Tamaño: 754.4Kb
Formato: PDF

URI: https://hdl.handle.net/11441/72171

DOI: 10.1016/j.ceramint.2016.01.040

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