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 23 for “"Anti-corrosion"”.
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Carbon nanotube electronic structures as anti-corrosion coatings
A new concept of corrosion prevention is considered in this study. Diode-like and transistor-like structures have been fabricated and analyzed in the study of ionic flow through the resulting potential barriers. The structures were made of functionalized carbon nanotubes. Carbon nanotubes are known …
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Poliaspartiniai dažai metalinių ir medinių paviršių dangoms /
… used. The aim of the work was to create anti-corrosion polyaspartic coatings with a low content of volatile organic compounds (VOCs) and polyaspartic wood coatings without VOCs. Anti-corrosion coatings contain higher amount of polyaspartic acid esters than wood coatings. In the …
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CORROSION RESISTANCE PERFORMANCE INVESTIGATION OF MILD STEEL BAR COATED WITH MAGNESIUM PHOSPHATE CEMENT PASTE
<p>"In this research study, the anti-corrosion mechanism of reinforcement embedded in magnesium potassium phosphate cement (MKPC) is explored. In addition, one type of additives, metakaolin, and one type of retarder, boric acid, are employed in MKPC to modify its properties in order to further …
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Heavyweight Phosphating of Rubber-to-Metal Bonded Products
… set for this project was to identify a range of anti-corrosion finishes for rubber-to-metal bonded products, that would withstand the periods of exposure to the salt spray test required by the sponsoring manufacturer's customers. Preliminary research showed that the range of finishes used were …
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Corrosion and Corrosion Prevention Technology: Revisiting the Fundamentals and Looking Forward
Corrosion science is a well-established field with over a century's worth of research and development. This venerable state of affairs is in line with the importance of the topic, which is indispensable in a global economy so dependent on metals as structural and commercial goods. Nevertheless, to …
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Scalable corrosion resistant coatings for thermal applications
Corrosion of metallic substrates is a problem for a variety of applications. Corrosion can be mitigated with the use of an electrically insulating coating protecting the substrate. Thick millimetric coatings, such as paints, are generally more corrosion resistant when compared to nanoscale …
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Microcapsule-based self-protecting coatings
Corrosion causes enormous damage to products and infrastructure on an annual basis. The most common approach to mitigate corrosion is to apply a protective coating (layer) to the targeted “substrate” well before placing the item in service. The protective coating acts as a passive layer between the …
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Polydimethylsiloxane-Based Self -Healing Composite and Coating Materials
… on self-healing polymer coatings which prevent corrosion of a metal substrate after deep scratch damage. The anti-corrosion properties of the self-healing polymer on metal substrates are investigated by corrosion resistance and electrochemical tests. Even after scratch damage into the substrate, …
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Synthesis and characterisation of biobased polyamides and their cellulose nanocomposites
… the elastomer. The use of the optimal PA36,36 in anti-corrosion coating, piezoresistive sensing and highly stretchable fibres is also demonstrated.<br/> <br/>The monomer chain length and the ratio of amide linkages to the methylene, among others, contribute to the properties of polyamides. A …
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Studies on Corrosion, Fouling and Durability of Advanced Functional Nonwetting Surfaces
… lubricant-infused surfaces (LIS). Second, the corrosion inhibition mechanism of SHS was systematically studied and modeled via electrochemical methods to elucidate the role of superhydrophobicity and other parameters on corrosion inhibition. The anti-corrosion properties of SHS and LIS were …
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Transport and damage in hydrated coatings – a model soft active composite material
… which cyclically absorb and release large quantities of mass and/or energy, and encompass a wide variety of materials including lithium ion battery anodes and biological matter. Four interrelated fundamental processes – transport, volume change, stress, and damage – are present in active …
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Behaviour of epoxy filled flat-face joints in concrete for wave energy converters
… epoxy bonded concrete to steel, the effects of anti-corrosion paint and applying the fresh epoxy concrete directly on the steel plates were assessed. The results indicate failure mode change and strength reduction by normal anti-corrosion paint and double shear strength by direct fresh epoxy …
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Anti-Adhesive Si-and F-Doped DLC Coatings and Micro-Nanostructured Surfaces for Medical Implants
… coatings and micro-nanostructured surfaces with anti-bacterial properties for biomedical applications. In this study a DLC coating and Si- and F- doped DLC coatings with various Si and F contents were prepared by a radio frequency plasma-enhanced chemical vapor deposition (rf-PECVD) technology. …
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In-operando techniques for early-stage corrosion
… approaches are investigated to study corrosion at the solid/liquid interface, at a higher spatial and temporal resolution than previously possible. Corrosion remains a pernicious concern for metallic structure stability. This is evident in the common case steel in contact with water, …
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Hydrogen in aluminum oxide and at the aluminum oxide/aluminum interface: an ab initio thermodynamics and Monte Carlo investigation
… hardness of Al₂O₃ make it indispensable in anti-corrosion coatings, resistive switching devices, and superconducting qubits. However, point defects due to impurities like hydrogen, or intentionally added dopants, can significantly alter the properties of Al₂O₃ coatings and microelectronics. …
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Synthesis and characterization of functional polymers with controlled architecture and their application as anticorrosion primers
… 2006, half of which was directly correlated to corrosion. Ballast tanks which form the basic skeleton of a vessel, are subjected to very corrosive conditions. Epoxy based protective coatings are used by the Navy for minimizing corrosion and they currently offer five to seven years of protection. …
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Study on corrosion protection of organic coatings using electrochemical techniques: developing electrochemical noise method, effective of surface preparation and inhomogeneity of organic coatings
This study looks into two important aspects of corrosion protection of steel by organic coatings, steel surface preparation and ionic conduction through the coating, as well as development of the electrochemical noise method as an effective assessment method. Surprising and somehow controversial …
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A parametric investigation on the influence and inhibition performance on CO2 corrosion of carbon steel
The deposition of hydrate and corrosion in the pipeline remain a major challenge in the petroleum industry. Internal corrosion slows and decreases the production of oil and gas when associated with free water and reacts with organic acid. Experiments had shown that the corrosion products (ferrous …
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Neural network based hybrid modelling and MINLP based optimisation of MSF desalination process within gPROMS: Development of neural network based correlations for estimating temperature elevation due to salinity, hybrid modelling and MINLP based optimisation of design and operation parameters of MSF desalination process within gPROMS
… materials of construction and reduced amount of anti-scaling and anti-corrosion agents. Finally, an attempt was made to develop a hybrid dynamic MSF process model incorporating NN based correlation for TE. The model was validated at steady state condition using the data from the literature. …
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