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 60 for “"protective coatings"”.
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Sintering of Co2MnO4 spinel for protective coatings in SOFC
Protective coatings are often deposited on SOFC interconnectors to avoid poisoning of cathode from chromium species that evaporate from stainless steel interconnects or supports. Co2MnO4 spinel compounds are usually considered as the main constituent of protection barriers. Nevertheless, such …
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The use of silicone resins as corrosion protective coatings for magnesium alloys
… appear to be logical materials for use as a protective coatings for magnesium under these conditions due to their properties of heat resistance, chemical resistance, and water repellency. The purpose of this investigation was to evaluate the silicone resins (DC 801, 802, 803, and 804) as …
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Diamond-like carbon and ceramic materials as protective coatings grown by pulsed laser deposition
… thin films are used as hard and wear-resistant coatings, for optical, corrosive, and refractory applications that are of crucial importance. Additional requirements place even more stringent conditions on the deposition processes. The properties of coatings deposited by pulsed laser deposition …
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Study of Perovskite Structure Cathode Materials and Protective Coatings on Interconnect for Solid Oxide Fuel Cells
… by CoxFe1-x oxide and Co3O4/SDC/Co3O4 tri-layer coatings separately. These coatings are demonstrated to be effective in decreasing the area specific resistance (ASR) of the interconnect, inhibiting the Cr diffusion/evaporation, leading higher electrochemical performance of the SSCF-based …
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The electrophoretic deposition technique in Solid Oxide Cell technologies: from the protective coatings to new interface concepts
L'abstract è presente nell'allegato / the abstract is in the attachment
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Literature review of the use of common protective coatings for concrete structures with experiences in the South African context
… 2001): • Crack Repairs • Patch Repairs • Surface Coatings • Migrating Corrosion Inhibitors (MCI’s) • Electrochemical Techniques • Cathodic Protection • Demolition and Reconstruction REPAIR STANDARDS To ensure that a concrete repair project is successful, a systematic approach to the inspection and …
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Development of protective coatings to improve high temperature corrosion resistance in chlorine containing environments based on an advanced corrosion risk assessment tool
… corrosivity potential. The development of protective metallic coatings is one of the solutions that may be taken to promote the long-term resistance of structural materials involved in these processes. A helpful tool can be corrosion prediction diagrams for designing optimized coating …
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Nanoenhanced Polyurea As A Blast Resistant Coating For Concrete Masonry Walls
… concrete masonry walls. However, many available protective coatings are not flame retardant. This thesis focuses on nanoenhanced polyurea for applications in improving blast resistance, while possessing improved flame retardancy, of concrete masonry walls. The polyurea that is being researched is …
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Untersuchungen zur Entwicklung einer feldeffektbasierten Biosensoranordnung mit integriertem Referenzsystem
… was additionally covered with different protective layers to reduce the leaching of chloride ions out of the membrane. As protective coatings Nafion, cellulose nitrate, PVC or a double layer with PCV and Nafion, or PVC and cellulose nitrate were used. The leaching of chloride ions out of …
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Ultra-thin moisture barrier coatings for passive components
… due to electrochemical corrosion. Conventional protective coatings, such as epoxies and polyurethanes, are extremely thick--usually over 1 mm. Previous work has shown that a thick coating leads to a large equivalent series inductance (ESL) of the capacitor, and negatively affects the capacitor …
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An estimation of concrete durability
… durability design have favored the use of protective coatings. Although these coatings, if applied correctly, can totally inhibit degradation of the concrete member, these coatings are expensive. In the most severe conditions, the coatings are the only way to avoid extensive corrosion. In …
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Fire protection of surface coatings
… flame,smoke and toxic species production. Fire protective coatings are often employed to protect this unpredictably flammable substrate from ignition (for example resulting from arson attacks in the communal areas of multi- occupancy buildings). Literature shows a gap in the understanding of …
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Laser produced SiO2/TiO2 coating on stainless steel substrate with sol-gel processes.
Protective coatings are widely used in industries such as aerospace, oil, mining and marine in order to increase the life time of essential components against corrosive environments. Coating techniques have been developed in various ways for numerous purposes: plasma vapour deposition (PVD), …
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Effect of 3D Architecture on Energy Dissipation during High-speed Particle Impact
… energy mitigation applications such as armor and protective coatings.
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Thermomechanisches Verhalten von plasmagespritzten Schichtsystemen zur Wärmedämmung
Thermal barrier coatings are increasingly utilized to protect gas turbine components from high temperature exposure. Thus the use of TBCs allows an improvement of the system efficiency, since the coated components can support higher inlet temperatures. To predict the life duration of the …
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Probing the Ability of Flexible Hydrogels to Protect Fragile Objects
… particulate additives. None of the bare gels are protective, and nanoparticles like iron oxide or silica do not help. However, the addition of starch granules to the above gels greatly enhances their protective abilities. When a load strikes a gelatin gel with 20 wt% starch, the peak impact force …
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Operando investigations of mechanical changes in lithium-ion batteries
… in Au-Coated LiMn2O4. The deposition of protective coatings on the spinel LMO lithium-ion battery cathode is effective in reducing Mn dissolution from the electrode surface. Although protective coatings positively affect LMO cycle life, much remains to be understood regarding the …
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The synthesis of stable nanotags for the detection of biomolecules using surface enhanced Raman scattering
… synthesis of stable nanotags with a series of protective coatings to provide stability in harsh environments and catalytic activity. The catalytic activity of the nanotags were assessed using TMB and ABTS in the presence of H2O2 and the most promising were used for the detection of biomolecules …
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Modelling tribology of slider and disk in a computer hard drive system
… flying heights are becoming lower and disk protective coatings thinner to minimise spacing loss and allow higher areal density. Friction, stiction and wear between the slider and disk in a hard drive were studied using Accelerated Friction Test (AFT) apparatus. Contact Start Stop (CSS) and …
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