6533b839fe1ef96bd12a6d7f

RESEARCH PRODUCT

PLZT—Synthesis, sintering and ceramics microstructure

Barbara Garbarz-glosMaija AntonovaAndris SternbergMaruta DambekalneM. LivinshW. Smiga

subject

Materials scienceSinteringMineralogyHot pressingMicrostructureGrain sizevisual_artDifferential thermal analysisMaterials ChemistryCeramics and Compositesvisual_art.visual_art_mediumGrain boundaryCeramicElectroceramicsComposite material

description

Abstract Producing of PLZT powders by original two-stage co-precipitation method from mixed solution of inorganic salts ZrOCl 2 ·8H 2 O, TiCl 4 , La(NO 3 ) 3 ·6H 2 O, Pb(NO 3 ) 2 , was carried out. The sequence of phases formed during PLZT synthesis has been studied by X-ray and DTA analysis. Ceramic samples were prepared by two-stage hot-pressing technology. Dielectric, ferroelectric and optical properties have been measured. Ceramic microstructures were studied by SEM with energy dispersive analytical capability (EDX). The fine-grained microstructure was quite uniform with the average grain size of 5–7 μm, without internal or grain boundary porosity. The optical transmittance of ceramic plates (thickness of 0.3 mm) measured at wavelength of 630 nm reached 67–69%.

https://doi.org/10.1016/j.jeurceramsoc.2006.02.012