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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НТК «Інститут монокристалів» НАН України
2009
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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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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 |
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Digital Library of Periodicals of National Academy of Sciences of Ukraine |
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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 |
_version_ |
1837241869540524032 |
fulltext |
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