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Investigation of Field-Induced Piezoelectric Properties in Pb(Mg1/3Nb2/3)O3-PbTiO3 Ceramics for Transducer Applications
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Low Temperature Sintering (Ba1-xSrx)TiO3 Ceramics by Using CuO-TiO2 Mixture as Sintering Aid
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Preparation of Plank-Like BaTiO3 by Hydrothermal Soft Chemical Process from Layered Titanate Precursors
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Low Temperature Sintering (Ba1-xSrx)TiO3 Ceramics by Using CuO-TiO2 Mixture as Sintering Aid

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Abstract:

1wt% CuO-TiO2 (molar ratio, CuO/TiO2= 1) mixture is added as the liquid phase sintering aid to develop the sintering and dielectric characteristics of (Ba1-xSrx)TiO3 (x=0, 0.1, and 0.2) ceramics. The crystal characteristics of calcined (Ba1-xSrx)TiO3 powders and sintered (Ba1-xSrx)TiO3 ceramics are developed by using X-ray diffraction method. The calcined (Ba1-xSrx)TiO3 powders and 1050oC-sintered (Ba1-xSrx)TiO3 ceramics reveal a tetragonal or pseudo-cubic structure and the 1150oC-sintered(Ba1-xSrx)TiO3 ceramics reveal a tetragonal structure. Sintered at 1100oC, the (Ba1-xSrx)TiO3 ceramics present a porous structure; Sintered at 1150oC, the (Ba1-xSrx)TiO3 ceramics present a uniform growth. The grain size decreases with the increase of SrO content. In this study, the dielectric characteristics of CuO-TiO2 mixture-fluxed (Ba1-xSrx)TiO3 ceramics are also developed.

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Periodical:

Key Engineering Materials (Volumes 336-338)

Pages:

62-65

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.336-338.62

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Online since:

April 2007

Authors:

Chao Chin Chan, Chean Cheng Su, Chien Chen Diao, Cheng Fu Yang

Keywords:

(Ba1-xSrx)TiO3, CuO-TiO2, Grain Size, Liquid Phase Sintering (LPS), Pseudo Cubic

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© 2007 Trans Tech Publications Ltd. All Rights Reserved

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