Influence of Sintering Time on Electrical Properties, Densification, and Microstructure of PMN-PT-PMS Piezoelectric Ceramics

Yıl 2024, , 61 - 66, 28.06.2024

Volkan Kalem , Osman Düzen

https://doi.org/10.18466/cbayarfbe.1452081

Öz

The effect of sintering soaking time on the dielectric, piezoelectric, and structural properties of PMN-PT-PMS [Pb(Mg1/3Nb2/3)O3-PbTiO3-Pb(Mn1/3Sb2/3)O3] ceramics was systematically investigated. High density samples were prepared using solid-state sintering technique with different soaking times (60-150 min). Rhombohedral perovskite structure was the dominant phase for all soaking times, confirmed by XRD analysis. However, the pure perovskite structure could not be preserved at sintering times over 120 min. SEM micrographs indicated that homogeneous microstructures were obtained for all soaking times and the grain and pore sizes increased slightly with longer sintering time. Dielectric and piezoelectric test results showed that the optimum value of dielectric constant, electromechanical coupling factor, and piezoelectric strain coefficient was obtained for PMN-PT-PMS when sintered for 90 min. Ceramic samples with high density and perovskite structure prepared by proper sintering condition yielded high dielectric and piezoelectric response.

Anahtar Kelimeler

Ceramic, Dielectric, Piezoelectric, PMN-PT, Sintering

Etik Beyan

There are no ethical issues after the publication of this manuscript.

Teşekkür

This study was derived from the M.Sc. thesis titled "Determination of Optimal Sintering Regime for PMN-PT-PMS [Pb(Mg,Nb)O3-PbTiO3-Pb(Mn,Sb)O3] Piezoelectric Ceramics" prepared by Osman Düzen under the supervision of Prof. Dr. Volkan Kalem.

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