Effects of B₂O₃ Addition on the Sintering Behavior of 0-5-10% ZrO₂ Doped BaTiO₃ Based Ceramics

• Authors: K. Öksüz , Ş. Şen , U. Şen
• Languages of publication: EN

Abstracts

EN

In this study, the effect of B₂O₃ addition on the sintering behavior of 0-5-10% ZrO₂ doped barium titanate based microwave dielectric ceramics were investigated. For this purpose, the powder mixtures consisting of BaCO₃, TiO₂ and ZrO₂ were prepared by ball milling technique in alcohol using ZrO₂ balls at 200 cycle/min for 20 h. The prepared powders were calcined at 900°C for 2 h. Produced powders were mixed 0.5% B₂O₃ and 5% PVA and pressed as green body under the pressure of 100 MPa. The disc-shaped die-pressed samples were sintered at 1250°C, 1350°C and 1450°C for 4 h. X-ray diffraction analysis showed that the main phases formed in the sintered samples are BaTiO₃ and Ba(Ti_{1-x}Zr_{x})O₃. The scanning electron microscope (SEM) and energy-dispersive X-ray spectroscopy (EDS) were used to investigate microstructure of the sintered samples. The bulk densities of the sintered samples increased with the addition of B₂O₃ content due to the low number of pores trapped between the grains.

Keywords

EN

77.84.Cg; 77.84.-s

Discipline

• 77.84.-s: Dielectric, piezoelectric, ferroelectric, and antiferroelectric materials(for nonlinear optical materials, see 42.70.Mp; for dielectric materials in electrochemistry, see 82.45.Un)
• 77.84.Cg: PZT ceramics and other titanates

• Publisher: Institute of Physics, Polish Academy of Sciences
• Journal: Acta Physica Polonica A
• Year: 2015
• Volume: 127
• Issue: 4
• Pages: 1086-1089

Dates

published

2015-04

Contributors

author

K. Öksüz

• Department of Metallurgical and Materials Engineering, Cumhuriyet University, Engineering Faculty Campus 58140, Sivas, Turkey

author

Ş. Şen

• Department of Metallurgical and Materials Engineering, Sakarya University, Engineering Faculty, Esentepe Campus 54187, Sakarya, Turkey

author

U. Şen

• Department of Metallurgical and Materials Engineering, Sakarya University, Engineering Faculty, Esentepe Campus 54187, Sakarya, Turkey

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Identifiers

DOI

10.12693/APhysPolA.127.1086