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Effects of compositional modifiers on the piezoelectric properties of a commercial lead-zirconate-titanate bodyRoberts, Bruce Edward 05 1900 (has links)
No description available.
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Sol-gel synthesis of nanosized sodium potassium niobate-based piezoelectric ceramicsO'Callaghan, Samantha Ann January 2014 (has links)
No description available.
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Analysis of tapered-thickness piezoelectric ceramics for ultrasonic transducersBarthe, Peter Girard 05 1900 (has links)
No description available.
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Experimental characterization of the polarization reorientation process in piezoelectric ceramicsMardon, Clément P. 05 1900 (has links)
No description available.
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Thermal conductivity measurements using the 3-omega technique application to power harvesting microsystems /De Koninck, David. January 1900 (has links)
Thesis (M.Eng.). / Written for the Dept. of Mechanical Engineering. Title from title page of PDF (viewed 2008/12/04). Includes bibliographical references.
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Processing and characterization of PVDF, PVDF-TrFE, and PVDF-TrFE-PZT compositesStroyan, Jared James, January 2004 (has links) (PDF)
Thesis (M.S. in Materials Science Engineering)--Washington State University. / Includes bibliographical references.
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An investigation into the cyclic electric fatigue of ferroelectric ceramics as actuators high temperature and low pressure /Robbins, Jesse H. January 2009 (has links)
Thesis (M.S.)--University of Akron, Dept. of Mechanical Engineering, 2009. / "May, 2009." Title from electronic thesis title page (viewed 8/2/2009) Advisor, Celal Batur; Co-advisor, Ali Sayir; Committee member, Jiang Zhe; Department Chair, Celal Batur; Dean of the College, George K. Haritos; Dean of the Graduate School, George R. Newkome. Includes bibliographical references.
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Application of fracture mechanics in electrical/mechanical failures of dielectrics /Liu, Guoning. January 2006 (has links)
Thesis (Ph.D.)--Hong Kong University of Science and Technology, 2006. / Includes bibliographical references. Also available in electronic version.
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Influence of geometry and material properties on the optimum performance of the C-shape piezo-composite actuatorMtawa, Alexander Nikwanduka January 2008 (has links)
Thesis (DTech (Mechanical Engineering))--Cape Peninsula University of Technology, 2008 / In recent years, due to rapid advances in technology there has been an increasingly high
demand for large displacement and large force, precise positioning, fast response, low power
consuming miniature piezoelectric actuators.
In certain smart structure applications, the use of curved piezoelectric actuators is necessary.
The present work extends the earlier investigations on the C- shape actuator by providing a
detailed investigation on the influence of geometric and material properties of the individual
layers of the C-shape piezocomposite for its optimal performance as an actuator.
Analytical models have. been used to optimize the geometry of the actuator. Experimental
and finite element analyses (using general purpose finite element software i.e.
CoventerWare and MSC. Marc) have been used for validation.
The present work has established that, by maintaining the thickness of the substrate and
piezoceramic layers constant; changing the external radius, for example increasing it, the
stiffness of the structure decreases and thus yielding large displacement This has a negative
effect on the force produced by the actuator.
With fixed thickness of the substrate and varying the thickness of the piezoceramic (for fixed
external radius) the result is as follows: Increasing the thickness of the piezoceramic layer
has the effect of decreasing the displacement while the force increases.
With fixed PZT thickness as well as the external radius, varying the substrate thickness has
the following effect: As the thickness of the substrate increases the displacement increases
reaching a maximum. Subsequent increase in the thickness of the substrate the
displacement is reduced. The force continues increasing at least for the ratios up to 1.0,
further increase of the substrate, subsequent decrease of force is also noted. In addition to
changing the thickness of the substrate, the choice of different material for the substrate has
the following effect: For substrate/PZT ratios of up to 0.6. an actuator with substrate material
having higher elastic modulus will produce larger displacement while for ratios beyond this
ratio the situation is reversed. The causes for this kind of behaviour have been addressed.
In all cases both force and displacement are found to be directly proportional to applied
voltage.
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Nonlinear constitutive behavior of PZTStoll, William Allard, III 12 1900 (has links)
No description available.
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