INFLUENCE OF OBTAINING CONDITIONS ON PHYSICAL PROPERTIES OF PIEZOCERAMIC MATERIALS FOR VARIOUS PURPOSES

UDC 666.655:537.226

  • Sauchuk Galina Kazimirovna − PhD (Physics and Mathematics), Assistant Professor, the Department of Physics. Belarusian National Technical University (65, Nezavisimosti Ave., 220013, Minsk, Republic of Belarus). E-mail: galya159@rambler.ru

  • Letko Anzhelika Konstantinovna − Researcher, the Laboratory of Electronical Ceramics, Scientific and Practical Materials. Research Center of the National Academy of Sciences of Belarus (19, P. Brovki str., 220072, Minsk, Republic of Belarus). Е-mail: letko@physics.by

  • Shichkova Tat’yana Aleksandrovna − PhD (Chemistry), Assistant Professor, the Department of Physical, Colloid and Analytical Chemistry. Belarusian State Technological University (13a, Sverdlova str., 220006, Minsk, Republic of Belarus). E-mail: shi17@list.ru

DOI: https://doi.org/10.52065/2520-2669-2022-259-2-5-12

Key words: piezoelectrical ceramic materials, lead-free piezomaterials, synthesis, sintering, piezoelectrical parameters.

For citation: Sauchuk G. K., Letko A. K., Shichkova T. A. Influence of obtaining conditions on physical properties of piezoceramic materials for various purposes. Proceedings of BSTU, issue 2, Chemical Engineering, Biotechnologies, Geoecology, 2022, no. 2 (259), pp. 5–12 (In Russian). DOI: https://doi.org/10.52065/2520-2669-2022-259-2-5-12.

Abstract

In this work the conditions for obtaining of piezoceramic materials based on double system 0,2Pb(Nb2/3Zn1/3)O3 – 0,8Pb(Zr0,5Ti0,5)O3 and lead-free ceramic based on (Na0,5Bi0,5)(1–х)СdхTiO3 compound were investigated. It has been found that usage of mechanochemical activation before the synthesis process leads to decrease of synthesis and sintering temperature of obtaining ceramics. It was received that ceramics based on double system 0,2Pb(Nb2/3Zn1/3)O3 – 0,8Pb(Zr0,5Ti0,5)O3 which alloyed by Ga3+ and Mn2+ ions had a high piezoelectrical parameters and that′s why this materials can be used in multilayer devices for various purposes (for example in multilayer capacitors in telecommunication, medical devices and etc.). It was established that the lead-free ceramic materials (Na0,5Bi0,5)0,91Сd0,09TiO3 can be successfully used in sensors and actuators.

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08.04.2022