Multicomponent ceramic materials on the basis of PZT for the production of piezoelectric resonators

• Autorzy: Bochenek D. , Surowiak Z. , Gavrilyachenko S. V. , Kupriyanov M. F.
• Języki publikacji: EN

Abstrakty

EN

Investigations on the influence of the PbTiO₃ content on the crystalline and domain structure of PZT-based four-component solid solutions have been performed. It has been shown that there is a close relation between the structure and temperature stability of the resonance frequency (f_r) of the fabricated piezoceramic transducers. Better and more stable results have been obtained by doping and modifying the basic chemical composition obtaining Pb(Zr_1-x Ti_x)O₃. The compositions with minimal Δ f_r / f_r, within the temperature range T = 213–358 K (in relation to room temperature T_r = 293 K), exhibited (i) the smallest internal friction (Q^-1_m), (ii) the highest mechanical quality (Q_m), (iii) high values of spontaneous deformation of the elementary cell (δ_T and δ_Re), (iv) the complex a-c-domain structure in the tetragonal phase (T) and the simple domain structure in the rhombohedral phase (Re). The practical result of the present work was the fabrication of piezoceramic electric band filters exhibiting Δ f_r / f_r < 0.2% and a high mechanical quality factor (Q_m = 3225).

Słowa kluczowe

EN

PZT; piezoelectric transducers; resonance frequency; thermal stability

• Wydawca: Instytut Podstawowych Problemów Techniki PAN ; Komitet Akustyki PAN ; Polskie Towarzystwo Akustyczne
• Czasopismo: Archives of Acoustics
• Rocznik: 2005
• Tom: Vol. 30, No. 1
• Strony: 87--107
• Opis fizyczny: Bibliogr. 17 poz., tab., wykr., fot.

Twórcy

autor

Bochenek D.

• University of Silesia, Department of Materials Sciences, Śnieżna 2, 41-200 Sosnowiec, Poland

autor

Surowiak Z.

• University of Silesia, Department of Materials Sciences, Śnieżna 2, 41-200 Sosnowiec, Poland

autor

Gavrilyachenko S. V.

• Rostov State University, Faculty of Physics, Zorge St. 5, 344-104 Rostov-on-Don, Russia

autor

Kupriyanov M. F.

• Rostov State University, Faculty of Physics, Zorge St. 5, 344-104 Rostov-on-Don, Russia

Bibliografia

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