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Numerical study of the piezoelectric and dielectric properties of PZT-EPOXY composites as a function of curing process

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Title
Numerical study of the piezoelectric and dielectric properties of PZT-EPOXY composites as a function of curing process
Name (type = personal)
NamePart (type = family)
Wang
NamePart (type = given)
Rui
NamePart (type = date)
1989-
DisplayForm
Rui Wang
Role
RoleTerm (authority = RULIB)
author
Name (type = personal)
NamePart (type = family)
Cook-Chennault
NamePart (type = given)
Kimberly
DisplayForm
Kimberly Cook-Chennault
Affiliation
Advisory Committee
Role
RoleTerm (authority = RULIB)
chair
Name (type = personal)
NamePart (type = family)
Baruh
NamePart (type = given)
Haim
DisplayForm
Haim Baruh
Affiliation
Advisory Committee
Role
RoleTerm (authority = RULIB)
internal member
Name (type = personal)
NamePart (type = family)
DeMauro
NamePart (type = given)
Edward
DisplayForm
Edward DeMauro
Affiliation
Advisory Committee
Role
RoleTerm (authority = RULIB)
internal member
Name (type = personal)
NamePart (type = family)
Lesley
NamePart (type = given)
Berhan
DisplayForm
Berhan Lesley
Affiliation
Advisory Committee
Role
RoleTerm (authority = RULIB)
outside member
Name (type = corporate)
NamePart
Rutgers University
Role
RoleTerm (authority = RULIB)
degree grantor
Name (type = corporate)
NamePart
School of Graduate Studies
Role
RoleTerm (authority = RULIB)
school
TypeOfResource
Text
Genre (authority = marcgt)
theses
OriginInfo
DateCreated (encoding = w3cdtf); (qualifier = exact)
2019
DateOther (encoding = w3cdtf); (qualifier = exact); (type = degree)
2019-05
CopyrightDate (encoding = w3cdtf); (qualifier = exact)
2019
Language
LanguageTerm (authority = ISO 639-3:2007); (type = text)
English
Abstract
In this study, simulation of the piezoelectric and dielectric properties of the PZT-5A and epoxy DGEBA piezoelectric composites is interested. The deformation of the samples will be caused by the thermal expansion and the shrinkage of the geometry by curing process when heat transfer happened in the samples during the time. Thus, the electric charges will be generated by the composites due to the material properties of piezoelectric materials. Comsol Multiphysics 5.3a and Matlab Live Link 2016a are used to do the simulation of temperature distribution in the two-phase (Epoxy (DGEBA)-lead zirconate titanate (Pb[Zr_xTi_(1-x)]O_3(0▁(<)x▁(<)1) composites structures. Thermal stress (including Solid mechanics and Heat transfer in solid), electrostatics physics were used to generate the models. Curing process of the epoxy matrix will be shown in the simulation at 75C. Non-cured epoxy was used for the epoxy with epoxy hardener as the curing agent and PZT-5A was chosen for piezoelectric materials. The dimension for PZT-5A is 5µm to 8 µm for diameters. Three kinds of the geometry of samples were considered in the simulation models, bulk models, planar models, and dome shape models. The dimensions for bulk samples are 1.4cm in thickness and 0.6cm in width. Dimension for planar models is 0.02cm for the thickness and 2.54cm for the width. Dimension for dome-shape models is 2.54cm for the length and 0.508cm in height and 0.02cm in thickness. The models were made as 2D models. Pure epoxy resin models and pure PZT-5A models were generated. For the composites, the volume fraction of PZT is from 10%,20%,30% to 70%. Rest of the material is epoxy. Boundary conditions for heat transfer in solid were considered as heat convection and surface radiation. And there is fixed temperature 75C applied at the bottom of the models. Since the PZT particles are very small, it is impossible to generate huge amounts of particles for the volume fractions need in the model because the computer cannot run this. In order to solve this problem, the unit cell method and the scaled method were used. The results for temperature, stress-strain, displacement, voltage, and capacitance were generated by the models. The curing process of epoxy was shown as well. Piezoelectric strain coefficient d_33 and dielectric constant were calculated and compared to the experimental results. PZT particle floating during the curing process was compared with the scanning electron microscopy (SEM) images.
Subject (authority = local)
Topic
Numerical study
Subject (authority = RUETD)
Topic
Mechanical and Aerospace Engineering
Subject (authority = ETD-LCSH)
Topic
Piezoelectricity
Subject (authority = ETD-LCSH)
Topic
Curing
RelatedItem (type = host)
TitleInfo
Title
Rutgers University Electronic Theses and Dissertations
Identifier (type = RULIB)
ETD
Identifier
ETD_9613
PhysicalDescription
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application/pdf
InternetMediaType
text/xml
Extent
1 online resource (xxxiii, 313 pages) : illustrations
Note (type = degree)
Ph.D.
Note (type = bibliography)
Includes bibliographical references
RelatedItem (type = host)
TitleInfo
Title
School of Graduate Studies Electronic Theses and Dissertations
Identifier (type = local)
rucore10001600001
Location
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NjNbRU
Identifier (type = doi)
doi:10.7282/t3-r9pe-fa52
Genre (authority = ExL-Esploro)
ETD doctoral
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Rights

RightsDeclaration (ID = rulibRdec0006)
The author owns the copyright to this work.
RightsHolder (type = personal)
Name
FamilyName
Wang
GivenName
Rui
Role
Copyright Holder
RightsEvent
Type
Permission or license
DateTime (encoding = w3cdtf); (qualifier = exact); (point = start)
2019-03-26 23:13:58
AssociatedEntity
Name
Rui Wang
Role
Copyright holder
Affiliation
Rutgers University. School of Graduate Studies
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License
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I hereby grant to the Rutgers University Libraries and to my school the non-exclusive right to archive, reproduce and distribute my thesis or dissertation, in whole or in part, and/or my abstract, in whole or in part, in and from an electronic format, subject to the release date subsequently stipulated in this submittal form and approved by my school. I represent and stipulate that the thesis or dissertation and its abstract are my original work, that they do not infringe or violate any rights of others, and that I make these grants as the sole owner of the rights to my thesis or dissertation and its abstract. I represent that I have obtained written permissions, when necessary, from the owner(s) of each third party copyrighted matter to be included in my thesis or dissertation and will supply copies of such upon request by my school. I acknowledge that RU ETD and my school will not distribute my thesis or dissertation or its abstract if, in their reasonable judgment, they believe all such rights have not been secured. I acknowledge that I retain ownership rights to the copyright of my work. I also retain the right to use all or part of this thesis or dissertation in future works, such as articles or books.
Copyright
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Copyright protected
Availability
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Open
Reason
Permission or license
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Technical

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windows xp
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2019-04-05T23:07:57
DateCreated (point = end); (encoding = w3cdtf); (qualifier = exact)
2019-04-05T23:07:57
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