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Frequency effect on electrical fatigue behaviour of lead zirconate titanate ceramics

Frequency effect on electrical fatigue behaviour of lead zirconate titanate ceramics
Frequency effect on electrical fatigue behaviour of lead zirconate titanate ceramics
The frequency effect on the electrical fatigue behaviour of lead zirconate titanate (PZT) ceramics for a micro-actuator of hard disk drives has been investigated. The PZT sample was subjected to a bipolar electric field of ±1 kV/mm at various frequencies; 10, 50, 100 Hz. The fatigue behaviour could be attributed to the domain pinning effect and is well quantitatively analysed by using the ferroelectric logarithmic fatigue model. Significantly, it was found that fatigue degradation is more severe at low frequency loading. The frequency effect on the fatigue behaviour was explained using the viscosity concept.
0013-5194
1062-1064
Pojprapai, Soodkhet
19da0711-ccd8-44c7-8499-b19e3caf1956
Luo, Zhenhua
eb242e50-a73e-474f-809f-4924cfed68c2
Yimnirun, Rattikorn
6aba8965-d34d-407c-8840-e5714a0f0d27
Pojprapai, Soodkhet
19da0711-ccd8-44c7-8499-b19e3caf1956
Luo, Zhenhua
eb242e50-a73e-474f-809f-4924cfed68c2
Yimnirun, Rattikorn
6aba8965-d34d-407c-8840-e5714a0f0d27

Pojprapai, Soodkhet, Luo, Zhenhua and Yimnirun, Rattikorn (2012) Frequency effect on electrical fatigue behaviour of lead zirconate titanate ceramics. Electronics Letters, 48 (17), 1062-1064. (doi:10.1049/el.2012.1625).

Record type: Article

Abstract

The frequency effect on the electrical fatigue behaviour of lead zirconate titanate (PZT) ceramics for a micro-actuator of hard disk drives has been investigated. The PZT sample was subjected to a bipolar electric field of ±1 kV/mm at various frequencies; 10, 50, 100 Hz. The fatigue behaviour could be attributed to the domain pinning effect and is well quantitatively analysed by using the ferroelectric logarithmic fatigue model. Significantly, it was found that fatigue degradation is more severe at low frequency loading. The frequency effect on the fatigue behaviour was explained using the viscosity concept.

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Published date: 2012
Organisations: Electronics & Computer Science

Identifiers

Local EPrints ID: 364513
URI: http://eprints.soton.ac.uk/id/eprint/364513
ISSN: 0013-5194
PURE UUID: 57fe3176-aaa1-43ca-a640-f9deea56d5d0
ORCID for Zhenhua Luo: ORCID iD orcid.org/0000-0003-0766-6174

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Date deposited: 02 May 2014 10:11
Last modified: 20 Jul 2019 00:37

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Contributors

Author: Soodkhet Pojprapai
Author: Zhenhua Luo ORCID iD
Author: Rattikorn Yimnirun

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