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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 50 for “"Nanocomposite Materials"”.
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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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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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The Manufacture of Polymer Nanocomposite Materials Using Supercritical Carbon Dioxide
… By using the newly developed procedure, the HCPP nanocomposite at 10 wt % of nano-clay has a Young's modulus as high as 3.236 GPa, and the modulus of the 10% MMT/PP-g-MA sample is found to be 2.595 GPa, both higher than that of the composite prepared by the direct blending method and that of a …
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Time-resolved spectroscopic characterization of ballistic impact events in polymer and nanocomposite materials
A detailed understanding of how materials respond to ballistic shock-loading is critical for the design and development of new protective materials. However, the nonlinear viscoelastic deformation present in polymers and nanocomposites during and immediately following a ballistic impact event is …
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New Organic/inorganic Hybrid Sol-gel Nanocomposite Materials For Raman Gain In Fiber Optics
… nm has generated an interest in new optical materials and devices that can operate outside the normally used regions of 840 nm, 1310 nm, and 1550 nm. Specifically, methods to amplify fiber optical data transmission in the regions where there is limited or no existing methods to achieve …
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Novel Synthetic Routes to Formation of Magnetic Nanocomposites
… acid resulted in the formation of gold-magnetite nanocomposite materials. These materials maintained the morphology of the original magnetite particles. The morphology of the gold particles could be controlled by adjusting experimental parameters, including the addition of small amounts of solvent …
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Preparation and Characterization of Magnetic Nanocomposite in a Polymer Matrix By Ion Implantation
Recently, research interest in the field of nanocomposite materials is growing rapidly due to their size-dependent interesting electronic and magnetic properties that have many potential applications. Ion implantation is a versatile technique that can create nanocomposite materials with a wide …
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Synthesis and Characterization of Novel Nanoparticles for Use as Photocatalytic Probes and Radiotracers
… acid resulted in the formation of gold-magnetite nanocomposite materials. The other route involved irradiation of preformed magnetite nanoparticles by UV light in aqueous media with dissolved tetrachloroauric acid. This method resulted in the formation of gold-magnetite nanocomposite materials. …
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Demulsification and recycling of spent oil based drilling fluid as nanofiller for polyamide 6 nanocomposites.
… addition to recycling the solid phase into PA6 nanocomposite materials. Initial characterisation of the untreated waste was carried out by Fourier Transform Infra Red (FTIR) for total petroleum hydrocarbon (TPH) analysis, inductively-coupled plasma optical emission spectrometry (ICPOES) for …
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Phase and Microstructural Stability in Immiscible Binary Alloys Under Irradiation
… used as a processing tool for the synthesis of nanocomposite materials.
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Applications of High-Intensity Ultrasound for Synthesis and Modification of Advanced Materials
… containing polycrystalline superconducting materials, with Fe(CO)5 or MO(CO) 6 leads to embedding of produced in situ ferromagnetic Fe2O3 or Mo2O5 nanoparticles into the bulk of superconducting material, thus creating novel nanocomposite materials. Study conducted on obtained Fe2O3-MgB2 and …
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Preparation and Characterization of a Treated Montmorillonite Clay and Epoxy Nanocomposite
… polymers are a new development in the area of nanocomposite materials. Since reinforcement of epoxy is important to the development of high strength adhesives and composite matrices, the introduction of montmorillonite to epoxy is of interest. Compositional effects on epoxy reactivity, on …
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Electronic Transport in Thermoelectric Bismuth Telluride
… transport properties of bismuth telluride nanocomposite materials is presented. The primary transport measurements are electrical conductivity, Seebeck coefficient and Hall effect. An experimental apparatus for measuring Hall effect and electrical conductivity was designed, constructed and …
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Nanocomposites for Enhancing Current in Organic Solar Cells
… collection in organic photovoltaics by using nanocomposite materials is investigated. Two such approaches are detailed in this thesis. Chapter 1 addresses the addition of metal nanorods to the PEDOT layer of an organic solar cell in an attempt to focus incident light for better absorption by …
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Processing melt blended polymer nanocomposites using a novel laboratory mini-mixer. Development of polymer nanocomposites in the melt phase using a novel mini-mixer.
… conditions and parameters of polymeric nanocomposites has always been challenging to scientists and engineers alike. Many have developed tools and procedures to allow materials to be exploited and their properties improved with the addition of nanofillers to achieve the desired end …
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Developing silica based Nanocomposites for dental applications using bombyx mori silk
… on the mechanical and functional properties of nanocomposite materials. A novel method was developed to separate different silk fractions (heavy chain fibroin and light chain fibroin) from natural silk using formic acid. Silk and its fractions were regenerated for use in gelation studies and …
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Polymer dynamics and fluctuations probed with fluorescence methods
… the mechanical behavior of composite and nanocomposite materials, and functional properties of other kinds. The experimental investigations involve development of novel fluorescence techniques of spectroscopy, microscopy and image analysis with single molecule sensitivity and/or single …
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