Distinguishing electrotensile strain and electrobending strain

Electrobending, an emerging phenomenon in electroactive ceramics, has recently attracted significant interest; however, existing measurement methods often confound electrotensile and electrobending strains, leading to ambiguity. This study distinguishes electrotensile and electrobending strains in K...

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Main Authors: Shuo Tian, Bin Li, Yejing Dai
Format: Article
Language:English
Published: Tsinghua University Press 2025-03-01
Series:Journal of Advanced Ceramics
Subjects:
Online Access:https://www.sciopen.com/article/10.26599/JAC.2025.9221048
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author Shuo Tian
Bin Li
Yejing Dai
author_facet Shuo Tian
Bin Li
Yejing Dai
author_sort Shuo Tian
collection DOAJ
description Electrobending, an emerging phenomenon in electroactive ceramics, has recently attracted significant interest; however, existing measurement methods often confound electrotensile and electrobending strains, leading to ambiguity. This study distinguishes electrotensile and electrobending strains in K0.5Na0.5NbO3 (KNN) ceramics by examining their thickness, frequency, temperature, and directional dependency, identifying a critical thickness threshold of 600 μm for electrobending in samples of 8.5 mm diameter. This threshold establishes a clear distinction between electrotensile and electrobending within the KNN system and provides a benchmark that can be applied to other systems through similar methodologies. Additionally, new electrobending parameters have been defined to assess bending deformation, addressing recent misinterpretations of “giant strain” and advancing electrostrain research by introducing an electrobending framework.
format Article
id doaj-art-25b37d4e308c4416bf016a3a26fc93c6
institution OA Journals
issn 2226-4108
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language English
publishDate 2025-03-01
publisher Tsinghua University Press
record_format Article
series Journal of Advanced Ceramics
spelling doaj-art-25b37d4e308c4416bf016a3a26fc93c62025-08-20T02:20:18ZengTsinghua University PressJournal of Advanced Ceramics2226-41082227-85082025-03-01143922104810.26599/JAC.2025.9221048Distinguishing electrotensile strain and electrobending strainShuo Tian0Bin Li1Yejing Dai2School of Materials, Sun Yat-sen University, Shenzhen 518107, ChinaSchool of Materials, Sun Yat-sen University, Shenzhen 518107, ChinaSchool of Materials, Sun Yat-sen University, Shenzhen 518107, ChinaElectrobending, an emerging phenomenon in electroactive ceramics, has recently attracted significant interest; however, existing measurement methods often confound electrotensile and electrobending strains, leading to ambiguity. This study distinguishes electrotensile and electrobending strains in K0.5Na0.5NbO3 (KNN) ceramics by examining their thickness, frequency, temperature, and directional dependency, identifying a critical thickness threshold of 600 μm for electrobending in samples of 8.5 mm diameter. This threshold establishes a clear distinction between electrotensile and electrobending within the KNN system and provides a benchmark that can be applied to other systems through similar methodologies. Additionally, new electrobending parameters have been defined to assess bending deformation, addressing recent misinterpretations of “giant strain” and advancing electrostrain research by introducing an electrobending framework.https://www.sciopen.com/article/10.26599/JAC.2025.9221048electrobendingelectrostraindeformationpiezoceramics
spellingShingle Shuo Tian
Bin Li
Yejing Dai
Distinguishing electrotensile strain and electrobending strain
Journal of Advanced Ceramics
electrobending
electrostrain
deformation
piezoceramics
title Distinguishing electrotensile strain and electrobending strain
title_full Distinguishing electrotensile strain and electrobending strain
title_fullStr Distinguishing electrotensile strain and electrobending strain
title_full_unstemmed Distinguishing electrotensile strain and electrobending strain
title_short Distinguishing electrotensile strain and electrobending strain
title_sort distinguishing electrotensile strain and electrobending strain
topic electrobending
electrostrain
deformation
piezoceramics
url https://www.sciopen.com/article/10.26599/JAC.2025.9221048
work_keys_str_mv AT shuotian distinguishingelectrotensilestrainandelectrobendingstrain
AT binli distinguishingelectrotensilestrainandelectrobendingstrain
AT yejingdai distinguishingelectrotensilestrainandelectrobendingstrain