Publicación: Influencia de la relación masa/área en las propiedades de cerámicas de PZN-5PT-5BT
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0,90Pb(Zn1/3Nb2/3)O3–0,05PbTiO3-0,05BaTiO3 (PZN-5PT-5BT) ceramic powders, with majority perovskite phase, were synthesized using the columbite method. These powders were shaped into cylindrical pellets, which had two different mass/area ratios. The pellets were sintered within 1040 and 1150°C during one hour and under a rich lead oxide atmosphere. The percentage of perovskite phase, for both powders and ceramics (surface and interior), was obtained by X-rays diffraction spectrum, where it was observed that ceramic samples present higher percentage of perovskite phase and the highest density value when sintered at 1100 ºC during one hour. Morphology was analyzed using scanning electron microscopy. It revealed that the mass/area ratio influences the stabilization of the perovskite phase within the sintering process, the bigger the content of mass for area unit the more stable the perovskita phase