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Nozzle-based additive manufacturing of fiber-filled thermosets
Descriptive
TitleInfo
Title
Nozzle-based additive manufacturing of fiber-filled thermosets
SubTitle
a case study on soft and hard materials
Name
(type = personal)
NamePart
(type = family)
Xie
NamePart
(type = given)
Jingjin
DisplayForm
Jingjin Xie
Role
RoleTerm
(authority = RULIB)
author
Name
(type = personal)
NamePart
(type = family)
Mazzeo
NamePart
(type = given)
Aaron D.
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Aaron D. Mazzeo
Affiliation
Advisory Committee
Role
RoleTerm
(authority = RULIB)
chair
Name
(type = personal)
NamePart
(type = family)
Cuitino
NamePart
(type = given)
Alberto
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Alberto Cuitino
Affiliation
Advisory Committee
Role
RoleTerm
(authority = RULIB)
internal member
Name
(type = personal)
NamePart
(type = family)
Lee
NamePart
(type = given)
Howon
DisplayForm
Howon Lee
Affiliation
Advisory Committee
Role
RoleTerm
(authority = RULIB)
internal member
Name
(type = personal)
NamePart
(type = family)
Pelegri
NamePart
(type = given)
ASSIMINA
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ASSIMINA Pelegri
Affiliation
Advisory Committee
Role
RoleTerm
(authority = RULIB)
internal member
Name
(type = personal)
NamePart
(type = family)
Hull
NamePart
(type = given)
Patrick V.
DisplayForm
Patrick V. Hull
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
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theses
OriginInfo
DateCreated
(qualifier = exact)
2018
DateOther
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(type = degree)
2018-05
CopyrightDate
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(qualifier = exact)
2018
Place
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xx
Language
LanguageTerm
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(type = code)
eng
Abstract
(type = abstract)
The intent of this work is to develop a framework towards nozzle-based additive manufacturing (AM) of thermal curing polymers embedded with fibers, which could enable functional tools and actuators made of hard and soft materials. Thermosetting systems, such as epoxies, cyanate esters (CE), and silicones, represent a class of materials that do not allow reversible liquid-solid phase changes at an elevated temperature. Extruded thermosetting composites have the potential to overcome issues with limited mechanical stability and strength as presented in thermoplastic materials at high temperatures; it also allows further tuning the characteristics of extruded parts by leveraging the filler materials' unique properties. A nozzle-based approach becomes preferable not only because of its simplicity in configuration and ease of use, but also its additional layer of protection as the extruding materials are in closed containers, which is beneficial for unique applications, such as in-space additive manufacturing (ISAM). This work focused on a proof-of-concept solution for AM of thermosetting composites, accompanied with material characterizations, experimental validations and numerical analysis of a scalable, reproducible system. It consists of systematic reviews and studies of the mechanical, thermal, and rheological properties of two representative thermosetting systems, i.e., Ecoflex 0050 and G/Flex. The experimental study includes material processing, extrusion of fiber-embedded polymers, characterization of cure kinetics, rheology of polymers, and evaluation of printed parts. With milled carbon fibers (up to 20 wt%), the experimental results also showed tunable mechanical and thermal performance by using shear-induced alignment of filler materials. Finally, this work suggests two schemes for 2-D and 3-D multiphysics simulations based on the developed models for rheological properties and cure kinetics. The predictive tools could be advantageous in design of parts, elimination of errors, and tuning of processing parameters.
Subject
(authority = RUETD)
Topic
Mechanical and Aerospace Engineering
RelatedItem
(type = host)
TitleInfo
Title
Rutgers University Electronic Theses and Dissertations
Identifier
(type = RULIB)
ETD
Identifier
ETD_8732
PhysicalDescription
Form
(authority = gmd)
electronic resource
InternetMediaType
application/pdf
InternetMediaType
text/xml
Extent
1 online resource (xvii, 116 p. : ill.)
Note
(type = degree)
Ph.D.
Note
(type = bibliography)
Includes bibliographical references
Subject
(authority = ETD-LCSH)
Topic
Manufacturing processes
Note
(type = statement of responsibility)
by Jingjin Xie
RelatedItem
(type = host)
TitleInfo
Title
School of Graduate Studies Electronic Theses and Dissertations
Identifier
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rucore10001600001
Location
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(displayLabel = Rutgers, The State University of New Jersey)
NjNbRU
Identifier
(type = doi)
doi:10.7282/T3K93C05
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
Xie
GivenName
Jingjin
Role
Copyright Holder
RightsEvent
Type
Permission or license
DateTime
(encoding = w3cdtf);
(qualifier = exact);
(point = start)
2018-04-01 01:09:49
AssociatedEntity
Name
Jingjin Xie
Role
Copyright holder
Affiliation
Rutgers University. School of Graduate Studies
AssociatedObject
Type
License
Name
Author Agreement License
Detail
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.
RightsEvent
DateTime
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(qualifier = exact);
(point = start)
2018-05-31
DateTime
(encoding = w3cdtf);
(qualifier = exact);
(point = end)
2019-05-31
Type
Embargo
Detail
Access to this PDF has been restricted at the author's request. It will be publicly available after May 31st, 2019.
Copyright
Status
Copyright protected
Availability
Status
Open
Reason
Permission or license
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Technical
RULTechMD
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ContentModel
ETD
OperatingSystem
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windows xp
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Statistical Profile