Degradation of the d33 piezoelectric coefficient for PZT ceramics under static and cyclic compressive loading

Algueró, Miguel; Cheng, Buwen; Guiu, F.; Reece, Mike; Poole, M.; Alford, Neil McN.

doi:10.1016/s0955-2219(01)00036-x

Cited by 36 publications

(25 citation statements)

References 9 publications

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“…As a result power ultrasonic devices are almost exclusively manufactured from hard doped ceramics, [84] which show strong depolarisation resistance due to rigid domain wall clamping via charged dopants. [83] As a drawback, only intrinsic contributions to the piezoelectric coefficient are available for piezoelectric strain. If a device is driven as a charge generator which is optimised for maximum output and thus cannot be hard doped, the depolarisation represents a severe reduction in performance.…”

Section: Compression-compression Loadingmentioning

confidence: 99%

Fatigue In Bulk Lead Zirconate Titanate Actuator Materials

2005

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Fatigue in ferroelectric ceramics is the gradual change of material properties with cyclic loading. It is caused by microscopic material modifications of mechanical or electrical origin. Due to the electromechanical coupling, both mechanisms can yield similar or even identical changes in properties. Macroscopically, a reduction of switchable polarization is anticipated and asymmetries in the macroscopic hysteresis curves arise due to charge carrier migration. This review elaborates on the multiple loading scenarios that lead to asymmetries in material response and loss in performance. The disparities between unipolar, bipolar, and mixed electromechanical loading are displayed. Possible microscopic origins are categorized. The strong similarities in the roles of microcracks, dielectric layers, and grain boundaries are worked out.

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Section: Compression-compression Loadingmentioning

confidence: 99%

Fatigue In Bulk Lead Zirconate Titanate Actuator Materials

2005

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“…The charge (Q) values and Electrical energy generated were calculated using equations (17) and (18). 33 3 (22)- (24).…”

Section: Analytical Modelmentioning

confidence: 99%

“…Loss Mechanisms using antiresonance mode rather than the conventional resonance mode was analyzed by Uchino [17]. Algureo has studied the degradation of d 33 piezoelectric coefficient of PZT ceramics subjected to compressive stress along the poling direction [18]. Characterization of piezoelectric d 33 mode piezoelectric MEMS energy harvester was analyzed by Park with the introduction of seed layer thin film of PbTiO 3 in between ZrO 2 and PZT to improve the piezoelectric property [19].…”

Section: Introductionmentioning

confidence: 99%

Design and Modeling of MEMS Based Nano Displacement PZT Sensing Element

Manoharan¹,

Nedumaran²

2012

IJCA

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Piezoelectric principles are widely used to harvest energy in the process of vibrating piezoelectric mass. Different design configurations were studied in the research papers listed. A novel dynamic method of Lead Zirconate Titanate Sensor (PZT) to obtain d 33 suitable for the MEMS applications is designed, simulated and analysed results were compared with the fabricated sensor. The Lead Zirconate Titanate Square Plate (PZTSP) fixed at the bottom, which is acted upon by the application of pressure to validate direct piezoelectric effect. This model develops piezoelectric voltage in dynamic mode by suitably opening and closing the pressure inlet optimized time constant for one second. A prototype model is validated, which can be used for the pressure sensing and indicating applications. General TermsMicroelectromechanical Systems

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“…Therefore, it indicates that the domain reorientation induced by the stress is very limited compared to that from the electric field. From another point of view, it is also known that the stress-induced domain reorientation is only 90 • and direction dependent [17][18][19][20][21][22][23][24]. The compressive stress normal to poling direction in the bimorph actuator is not favorable to and would restrict the domain reorientation.…”

Section: Series Bimorphmentioning

confidence: 99%