Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 467 for “"nanocomposite"”.
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Multifunctional reactive nanocomposite materials
Many multifunctional nanocomposite materials have been developed for use in propellants, explosives, pyrotechnics, and reactive structures. These materials exhibit high reaction rates due to their developed reaction interfacial area. Two applications addressed in this work include nanocomposite …
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Magnetoelectric Oxide Nanocomposite Heterostructures
Multiferroics have attracted lots of research interest due to their potential in numerous multifunctional applications. The multiferroic materials could simultaneously exhibit two or more ferroic order parameters, and the coupling effects between ferroelectricity and ferromagnetism are named as …
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Nanocomposite-based Lignocellulosic Fibers
… modification method for lignocellulosic fiber. Nanocomposite-based lignocellulosic fibers were successfully fabricated by sequential adsorption of oppositely charged poly(diallydimethylammonium) chloride (PDDA) and clay nanoparticles in a number of repeated deposition cycles. Nanocomposite …
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Nanocomposite Coating Mechanics via Piezospectroscopy
… associated with the observed PS response of nanocomposites and their coatings has been applied to give material property measurements, providing an understanding of particle reinforced composite behavior. Understanding the nanoparticle-coating-substrate mechanics is essential to interpreting …
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Nanocomposite immunosensor for anti-transglutaminase antibody
… Morphology and size of the GNP|OvoxPpy||GCE nanocomposite were determined using scanning electron microscopy. The electrochemical immunosensor for anti-tTG antibodies was prepared by immobilizing transglutaminase antigen (tTG-antigen) onto the GNP|OvoxPpy||GCE by drop coating and allowed to …
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Topology Optimization of Multifunctional Nanocomposite Structures
This thesis presents the design of multifunctional structures through the optimal placement of nanomaterial additives. Varying the concentration of Carbon Nanotubes (CNTs) in a polymer matrix affects its local effective properties, including mechanical stiffness, electrical conductivity, and …
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Polymer Nanocomposite Foams with Enhanced Thermoelectric Efficiencies
… in enhancing the TE efficiency of polymer nanocomposites. The result of this research suggests micro/nano-cellular foaming as a novel fabrication method to promote the TE efficiency of polymeric materials. The proposed method provides an opportunity to develop polymer-based materials, as an …
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Polymer/clay nanocomposite hydrogels with anisotropic properties
… limited literature exists on anisotropic nanocomposite hydrogels prepared under low magnetic fields, which are of interest for various soft and wet applications. This research reports polyacrylamide/montmorillonite-iron oxide (PAAm/MMT-IO), and poly(N-isopropylacrylamide)/MMT-IO …
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Nanocomposite aus technischen Thermoplasten und organophilen Schichtsilikaten
… Herstellung und Evaluierung von Schichtsilikat-Nanocompositen auf der Basis von technischen Thermoplasten. Als Matrix dienten syndiotaktisches Polypropylen, Polyetheramide sowie ein Blend aus isotaktischem Polypropylen und einem Styrol/Butadien-Elastomer. Als Füllstoff wurde ein synthetischer …
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Multimodal Polyethylene-Graphene Nanocomposite via Melt Extrusion
… polyethylene (HDPE)polymer nanocomposite using cost-effective techniques was pursued in this study. This study reports on the reinforcement of high molecular weight multimodal-high-density polyethylene HDPE by a microwave-induced plasma graphene, via melt intercalation, using …
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Growth and characterisation of multifunctional nanocomposite coatings
Novel nanocomposite coatings of the type Fe-Ti-N and Fe-Ti-O-N, having in-situ formed periodic multiphase nanocolumnar microstructures, have been developed by a two-target reactive magnetron sputter deposition and nanoparticle-assisted electro-co-deposition processes. Advanced thin-film …
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Systems Materials Design of Ordered Nanocomposite Assemblies
… approach to engineer hierarchically structured nanocomposite assemblies, integrating molecular recognition, supramolecular chemistry, colloidal assembly, and bulk processing into unified material platforms. At the molecular and nanoscale, I investigate how multivalent supramolecular interactions …
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Self-assembling nanocomposite Tectons for ordered superlattices
Nanocomposites, materials of heterogeneous composition with at least one of the phases having dimensions between 1-100 nm, can be produced with unique properties dependent on their composition and geometric configuration. However, it is a major challenge to precisely and simultaneously design the …
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Nanocomposite Dispersion: Quantifying the Structure-Function Relationship
… and processing/property relationships for nanocomposite materials. This is due in part to the difficulty in visualizing the nanoinclusion and ambiguity in the description of dispersion. Understanding the relationships between the composition of the nanofiller, matrix chemistry, processing …
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Nanocomposite-graphene based platform for heavy metal detection
This study reports the synthesis of graphene by oxidizing graphite to graphite oxide using H2SO4 and KMnO4 and reducing graphene oxide to graphene by using NaBH4. Graphene was then characterized using FT-IR, TEM, AFM, XRD, Raman spectroscopy and solid state NMR. Nafion-Graphene in combination with …
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CHARACTERIZATION OF ELECTROSPRAYED POLY(VINYLIDENE FLUORIDE)/CNT NANOCOMPOSITE
… electrosprayed PVDF/carbon nanotubes (PVDF/CNT) nanocomposites. The specific tasks are to determine the changes to the PVDF phases due to the electrospraying technique, and to determine the changes in the PVDF morphology due to the addition of carbon nanotubes to the polymer matrix.PVDF with two …
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Processing and Characterization of Multifunctional Thermoplastic Nanocomposite Films
… lack of research on the multifunctional polymer nanocomposite films. In this work, a scalable and continuous spray deposition process was developed for the production of nanoparticles reinforced multifunctional thermoplastic nanocomposite films. This process is capable of making a thin sheet of …
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Gas transport properties of reverse selective nanocomposite materials
… one micron in characteristic dimensions. Nanocomposite transport properties were studied, where permeability and solubility coefficients were determined for light gases with increasing pressure, and diffusion coefficients were calculated from the solution-diffusion model. The permeability …
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CNT-reinforced polymer nanocomposite by molecular dynamics simulations
… basis of interactions in CNT reinforced polymer nanocomposites that could help the design of optimized materials.</p>
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