Relaxation processes in hard piezoelectric ceramics

The results of the relaxation processes investigation in polycrystalline piezoelectric elements after exiting them from the state of the thermodynamic balance under action of AC voltage of the resonance frequency, heating and uniaxial mechanical stresses are presented. The long-time reconstruction o...

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Datum:2009
Hauptverfasser: Kuzenko, D.V., Ishchuk, V.M., Bazhin, A.I., Spiridonov, N.A.
Format: Artikel
Sprache:English
Veröffentlicht: НТК «Інститут монокристалів» НАН України 2009
Schriftenreihe:Functional Materials
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Online Zugang:http://dspace.nbuv.gov.ua/handle/123456789/138934
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Zitieren:Relaxation processes in hard piezoelectric ceramics // D.V. Kuzenko, V.M. Ishchuk, A.I. Bazhin, N.A. Spiridonov // Functional Materials. — 2009. — Т. 16, № 4. — С. 436-441. — Бібліогр.: 15 назв. — англ.

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spelling irk-123456789-1389342018-06-20T03:04:02Z Relaxation processes in hard piezoelectric ceramics Kuzenko, D.V. Ishchuk, V.M. Bazhin, A.I. Spiridonov, N.A. Characterization and properties The results of the relaxation processes investigation in polycrystalline piezoelectric elements after exiting them from the state of the thermodynamic balance under action of AC voltage of the resonance frequency, heating and uniaxial mechanical stresses are presented. The long-time reconstruction of elastic parameters takes place when elements are returned into the initial thermodynamic condition. Observed relaxation is described by the logarithmic function of time. The model, taking into account the polycrystalline structure of ceramics and presence of noncompensated mechanical stresses on crystalline boundaries, is offered for explanation of the observed results. Подано результати дослідження релаксаційних процесів у полікристалічних п'єзоелектричних елементах після їх збудження змінним струмом резонансної частоти, нагріву та одновісного механічного стиску. При поверненні елементів у вихідний термодинамічний стан відбувається довготривале відновлення їх пружних параметрів. Релаксація, що спостерігається, описується логарифмічною функцією часу. Для пояснення одержаних результатів запропоновано модель, яка бере до уваги полікристалічну структуру кераміки та наявність нескомпенсованих механічmrх напруг на межах кристалів. Представлены результаты исследования релаксационных процессов в поликристаллических пьезоэлектрических элементах после их возбуждения переменным током резонансной частоты, нагрева и одноосного механического сжатия. При возврате элементов к исходному термодинамическому состоянию происходит длительное восстановление их упругих параметров. Наблюдаемая релаксация описывается логарифмической функцией времени. Для объяснения наблюдаемых результатов предложена модель, учитывающая поликристаллическую структуру керамики и присутствие нескомпенсированных механических напряжений на границах кристаллов. 2009 Article Relaxation processes in hard piezoelectric ceramics // D.V. Kuzenko, V.M. Ishchuk, A.I. Bazhin, N.A. Spiridonov // Functional Materials. — 2009. — Т. 16, № 4. — С. 436-441. — Бібліогр.: 15 назв. — англ. 1027-5495 http://dspace.nbuv.gov.ua/handle/123456789/138934 en Functional Materials НТК «Інститут монокристалів» НАН України
institution Digital Library of Periodicals of National Academy of Sciences of Ukraine
collection DSpace DC
language English
topic Characterization and properties
Characterization and properties
spellingShingle Characterization and properties
Characterization and properties
Kuzenko, D.V.
Ishchuk, V.M.
Bazhin, A.I.
Spiridonov, N.A.
Relaxation processes in hard piezoelectric ceramics
Functional Materials
description The results of the relaxation processes investigation in polycrystalline piezoelectric elements after exiting them from the state of the thermodynamic balance under action of AC voltage of the resonance frequency, heating and uniaxial mechanical stresses are presented. The long-time reconstruction of elastic parameters takes place when elements are returned into the initial thermodynamic condition. Observed relaxation is described by the logarithmic function of time. The model, taking into account the polycrystalline structure of ceramics and presence of noncompensated mechanical stresses on crystalline boundaries, is offered for explanation of the observed results.
format Article
author Kuzenko, D.V.
Ishchuk, V.M.
Bazhin, A.I.
Spiridonov, N.A.
author_facet Kuzenko, D.V.
Ishchuk, V.M.
Bazhin, A.I.
Spiridonov, N.A.
author_sort Kuzenko, D.V.
title Relaxation processes in hard piezoelectric ceramics
title_short Relaxation processes in hard piezoelectric ceramics
title_full Relaxation processes in hard piezoelectric ceramics
title_fullStr Relaxation processes in hard piezoelectric ceramics
title_full_unstemmed Relaxation processes in hard piezoelectric ceramics
title_sort relaxation processes in hard piezoelectric ceramics
publisher НТК «Інститут монокристалів» НАН України
publishDate 2009
topic_facet Characterization and properties
url http://dspace.nbuv.gov.ua/handle/123456789/138934
citation_txt Relaxation processes in hard piezoelectric ceramics // D.V. Kuzenko, V.M. Ishchuk, A.I. Bazhin, N.A. Spiridonov // Functional Materials. — 2009. — Т. 16, № 4. — С. 436-441. — Бібліогр.: 15 назв. — англ.
series Functional Materials
work_keys_str_mv AT kuzenkodv relaxationprocessesinhardpiezoelectricceramics
AT ishchukvm relaxationprocessesinhardpiezoelectricceramics
AT bazhinai relaxationprocessesinhardpiezoelectricceramics
AT spiridonovna relaxationprocessesinhardpiezoelectricceramics
first_indexed 2025-07-10T06:52:51Z
last_indexed 2025-07-10T06:52:51Z
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