Densification of PZN-10PT ceramics from powders obtained by the combustion reaction synthesis

Main Article Content

C F V. Raigoza
Universidad del Cauca

J A Eiras
Universidade Federal de São Carlos

Ruth H Kiminami
Universidade Federal de São Carlos
https://orcid.org/0000-0002-0885-6191
Ducinei Garcia
Universidade Federal de São Carlos

Keywords

PZNPT, perovskite phase, combustion synthesis, dilatometry.

Abstract

((1-x)Pb(Zn1=3Nb2=3)O3-xPbTiO3-PZN-xPT) single crystals with perovskite structure near to the morphotropic phase boundary (MPB), x_0; 09, exhibit unusual large dielectric and piezoelectric constants. Preparation of PZN-PT ceramics with composition near to the MPB using conventional methods leads to ceramics with pyrochlore structure. In this paper, ((1 - x)Pb(Zn1=3Nb2=3)O3-xPbTiO3-PZN-xPT) powders with x= 0; 10 were synthetized by the combustion reaction method. CO(NH2)2, C2H5NO2, CO(NH2)2=C2H5NO2 y C4H16N6O2 were used as fuels. Results show that a máximum of 70% of perovskite phase was obtained using CO(NH2)2= C2H5NO2 (in relation 50=50). The afore mentioned phase is preserved when sintering the sample at 1000_C, during 4h on nitrogen atmosphere.

MSC: 74E15, 74E40, 74N15

PACS: 80.81


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Published
Apr 29, 2014
DOI https://doi.org/10.17230/ingciencia.10.20.1

Article Details

How to Cite
V. Raigoza, C. F., Eiras, J. A., Kiminami, R. H., & Garcia, D. (2014). Densification of PZN-10PT ceramics from powders obtained by the combustion reaction synthesis. Ingeniería Y Ciencia, 10(20), 11–21. https://doi.org/10.17230/ingciencia.10.20.1
Issue
Vol. 10 No. 20 (2014)
Section
Articles
Supporting Agencies
Author Biographies

C F V. Raigoza, Universidad del Cauca

Doctorado en Ciencia e Ingeniería de Materiales. Profesora Titular Departamento de Física Universidad del Cauca

J A Eiras, Universidade Federal de São Carlos

Doctor en Metalurgia Física

Ruth H Kiminami, Universidade Federal de São Carlos

Doctora en Ingenieria de Materiales

Ducinei Garcia, Universidade Federal de São Carlos

Doctora en Física

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