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 12 of 12 for “"EMI Shielding"”.
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Carbon Hybrid Materials for Electromagnetic Interference (EMI) Shielding and Charge Storage Applications
… applications of polymer nanocomposites namely, EMI (electromagnetic interference) shielding and charge storage. In EMI shielding, our goal was to alleviate the destructive interference of electronic devices caused by their emitted electromagnetic waves which adversely affect device functions as …
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Absorption-Dominant Electromagnetic Interference Shielding Polymer Composites and Foams
… electromagnetic interference (EMI) shielding while mitigating secondary electromagnetic pollution. Despite the significance of structural and geometrical factors in creating high-performance absorption-dominant EMI shielding materials, systematic structure-property (i.e., EM …
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Advanced Manufacturing of Functional Lightweight Conductive Composite Systems for Sustainable and Flexible Electronics
Electromagnetic interference (EMI) is generated by various undesirable signals, predominantly emitted by electronic devices. Substantial research indicates that prolonged exposure to such EMI emissions may negatively affect human health and compromise the operational efficiency of electronic …
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Synthesis and Characterization of Novel Functional Materials based on Cellulose and Graphene Oxide
… functionalities, such as sensing, catalytic and EMI shielding properties have been “built-in” to cellulose/GO hydrogels. Cellulose/rGO composite films and aerogels were successfully fabricated by dissolving cellulose and dispersing GO in NaOH/urea solution, followed by the chemical reduction with …
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Improving and Expanding the Capabilities of the Poly-Picosatellite Orbital Deployer
… Thesis, incorporates new capabilities like EMI shielding, an inert gas purge system, and an electrical interface to the CubeSats after they are integrated into the P-POD. Additionally, some mass reduction modifications are made to the P-POD, while its overall strength is increased. The P-POD …
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Design Of A Material Test Kit For Use From 1.6 Ghz To 26.5 Ghz And Its Use In Evaluation Of Dielectric Properties Of Foam Core Materials Used In Sandwich Composites
… as insulators, electromagnetic interference (EMI) shielding materials etc. So, the research in the measurement of electromagnetic properties i.e. dielectric properties of these materials has been conducted. In this presentation, the dielectric properties of various Rohacell® composite foams …
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Development of conductive sheet composite based on kenaf fibre loaded with polyaniline for anti-static packaging application.
… the preparation of electrically conductive shielding sheets made up of kenaf fiber and polyaniline (KF/PANI) via in-situ polymerization method. This modification has the potential to be used as static shielding packaging, which will help to prevent the build-up of static electricity during …
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Hybrid optimisation electromagnetic interference shielding effectiveness:mechanical and physical performance of plaster mortar containing palm oil fuel ash using taguchi grey and taguchi-flower pollination algorithm methods
… effects of the electromagnetic interference (EMI) on human health and performance of electronic devices. The purpose of this research was to use palm oil fuel ash (POFA) as cement filler in plastering mortar to overcome the EMI issue. This research adopted Taguchi method with mix level design …
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Synthesis and chemical modification of carbon nanostructures for materials applications
This dissertation explores the structure, chemical reactivities, electromagnetic response, and materials properties of various carbon nanostructures, including single-walled carbon nanotubes (SWCNTs), multi-walled carbon nanotubes (MWCNTs), graphite, and graphene nanoribbons (GNRs). Efficient …
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Next Generation Multifunctional Composites for Impact, Vibration and Electromagnetic Radiation Hazard Mitigation
… other synthesis techniques such as catalytic chemical vapor deposition (CCVD) where growing CNTs requires temperature not less than 700 °C. It is of great importance to comprehend the reasons for and against using the methods involving mixing of the CNTs directly with the polymer matrix, to …
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Development of Multifunctional Polymer Nanocomposites with Hybrid Structures for Fabrication of Stretchable Strain Sensing and Wearable Electronic Devices
… This synergistic network structure in a semicrystalline polymer contributed to the simultaneous enhanced EMI shielding effectiveness (SE) of 57.4 dB and mechanical properties such as strain to failure at 3.5 vol% hybrid filler concentrations. The hybrid nanocomposite with SSFs and CNTs in …
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Effect of Processing Techniques and Blend Compositions on Electrical Properties of Immiscible Polymer Blend/MWCNT Nanocomposites
… conductivity, electromagnetic interference shielding effectiveness (EMI SE) and dielectric property in immiscible polymer blend nanocomposites. In chapter 4, we have reported three strategies to mix 3 wt % multi-walled carbon nanotube (MWCNT) in five blend compositions of polystyrene …