| dc.identifier.uri | http://hdl.handle.net/1951/55478 | |
| dc.identifier.uri | http://hdl.handle.net/11401/72548 | |
| dc.description.sponsorship | This work is sponsored by the Stony Brook University Graduate School in compliance with the requirements for completion of degree. | en_US |
| dc.format | Monograph | |
| dc.format.medium | Electronic Resource | en_US |
| dc.language.iso | en_US | |
| dc.publisher | The Graduate School, Stony Brook University: Stony Brook, NY. | |
| dc.type | Thesis | |
| dcterms.abstract | This work presents a) an analytic model based on homogenizationestimates to obtain explicit solutions for the effective properties ofparticulate piezoelectric composites and b) a three-dimensionalfinite-element model to compare finite-element results and study thebehaviour of porous piezoelectric composites with four differentgeometric configurations. The analytic model extends the Suquet[29] estimates method to the piezoelectric domain where acomplete set of electromechanical constants are obtained for threepiezoelectric ceramics belonging to different symmetry classes.Specific results are generated for the cases of a square arrangementof cylindrical pores, where the alignment of the pores is in thedirection of poling of the matrix phase and a cubic arrangement ofspherical pores. The trends obtained from the analytic model arecompared with the finite-element model and found to be in goodagreement for all components of effective piezoelectric constants uptolarge volume fractions. A three-dimensional finite element model isdeveloped in part II of the thesis to completelycharacterize the behaviour of a general porous piezoelectric compositewith pores of 0-3 type flat cuboidal, 0-3 type cylindrical, 0-3 typespherical, and 1-3 type cylindrical connectivities. By consideringmaterials from different symmetry classes, it is demonstrated thatpiezoelectric composites designed with 0-3 type flat cuboidal poresare more suitable for hydrophone applications by identifying thevariation in piezoelectric strain coefficient and the hydrostaticfigure of merit with varying porosity volume fraction. | |
| dcterms.available | 2012-05-15T18:04:10Z | |
| dcterms.available | 2015-04-24T14:52:35Z | |
| dcterms.contributor | Robert Kukta. | en_US |
| dcterms.contributor | Lopez-Pamies, Oscar | en_US |
| dcterms.contributor | T. A., Venkatesh | en_US |
| dcterms.creator | Iyer, Sumantu | |
| dcterms.dateAccepted | 2012-05-15T18:04:10Z | |
| dcterms.dateAccepted | 2015-04-24T14:52:35Z | |
| dcterms.dateSubmitted | 2012-05-15T18:04:10Z | |
| dcterms.dateSubmitted | 2015-04-24T14:52:35Z | |
| dcterms.description | Department of Mechanical Engineering | en_US |
| dcterms.format | Monograph | |
| dcterms.format | Application/PDF | en_US |
| dcterms.identifier | http://hdl.handle.net/1951/55478 | |
| dcterms.identifier | Iyer_grad.sunysb_0771M_10364.pdf | en_US |
| dcterms.identifier | http://hdl.handle.net/11401/72548 | |
| dcterms.issued | 2010-12-01 | |
| dcterms.language | en_US | |
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Previous issue date: 1 | en |
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Previous issue date: 1 | en |
| dcterms.publisher | The Graduate School, Stony Brook University: Stony Brook, NY. | |
| dcterms.subject | Mechanical Engineering -- Materials Science | |
| dcterms.subject | finite-element simulations, homogenization estimates, Piezoelectric composites | |
| dcterms.title | Overall properties of piezoelectric particulate composites: Homogenization estimates and finite-element simulations | |
| dcterms.type | Thesis | |
