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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 35 for “"Corrosion mechanisms"”.
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Erosion - corrosion mechanisms of stainless steel UNS S31603
Solid particle erosion-corrosion is the wear caused by the combined action of the mechanical process of solid particle erosion and the electrochemical process of corrosion. This joint action leads to a synergistic interaction that enhances the wear rate of the material, causing severe problems to …
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Incorporation of Corrosion Mechanisms into a State-dependent Probabilistic Risk Assessment
… industry experience have shown that degradation mechanisms of passive SSCs increase in importance with extended operating lifetimes.The case study analyzed in this research involves an accident scenario, in which steam generator tubes degraded by stress corrosion cracking rupture due to …
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Investigation of corrosion mechanisms between molten eutectic FliNaK salt and 316L stainless steel
Submission original under an indefinite embargo labeled 'Open Access'. The submission was exported from vireo on 2023-04-12 without embargo terms
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An investigation of corrosion mechanisms of constructional alloys in supercritical water oxidation (SCWO) systems
… of SCWO systems, nickel-base alloys are tested. Corrosion in aqueous feed streams of ambient pH values of 2, 1 and 7 is studied both at supercritical (-425⁰C) and subcritical (-300-360⁰C) temperatures with a constant pressure of 24.1MPa. Dealloying of Ni and Fe, and oxidation of Cr and Mo are …
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Study on the fundamental causes of metal corrosion in animal buildings: Field and chamber tests
This thesis discusses in detail the corrosion mechanisms of metal products exposed for a period of two years in three animal buildings and one environmentally controlled building based on the analyses of the surface corrosion products using advanced surface analysis techniques. It includes not only …
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In situ and ex situ surface investigations of thiosulfate, sulfate and chloride accumulation on stainless steel and aluminum
… United States alone it is estimated that annual corrosion-related damages cost approximately 100 billion dollars. Clearly, much effort is needed to reduce the detrimental efforts of corrosion. One approach to accomplishing this task is to understand fundamental corrosion mechanisms. Specifically, …
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Korrosionsverhalten metallischer und keramischer Werkstoffe in Prozeßgasen zur Herstellung von Solarsilizium
… the reactor and to gather basic knowledge of the corrosion mechanisms. The obtained results prove that under conditiones of the syntheses of Trichlorsilane the reaction of silicon with the base metal initially produces a silicide film. However, with increasing temperatures up to 700°C and pressure …
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Corrosion Studies of Molten Chloride Salt: Electrochemical Measurements and Forced Flow Loop Tests
This study encompasses various aspects of corrosion in chloride molten salt environments, employing electrochemical techniques and a forced convection loop. It explores corrosion thermodynamic properties, electrochemical corrosion kinetics, and flow-induced dynamic corrosion. The study developed a …
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Corrosion in the Mining Industry: A Case Study of the Britannia Mine
… are particularly vulnerable to accelerated corrosion under these harsh conditions. The resulting material degradation can lead to structural failures, containment breaches, production losses, environmental contamination, safety risks, and increased maintenance costs—all of which undermine …
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Predictive Analysis of Corrosion Resistance in Automotive Coatings Using Artificial Neural Networks
… by 73 hours of dry conditions within a Cyclic Corrosion Test (CCT) chamber, using a 5% NaCl solution at 30 degrees C. Four distinct types of coating samples were prepared, each with varying corrosion control mechanisms and scratch depths, to evaluate their performance under these accelerated …
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Understanding the Effect of Oxygen on the Degradation of 316L in Liquid Sodium
… Therefore, a thorough understanding of the mechanisms of liquid sodium corrosion under ideal and transient impurity conditions is required. This work investigates liquid sodium corrosion mechanisms in candidate SFR alloys when exposed to varied oxygen concentrations. A high-throughput, …
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Decision Support Tool for Optimal Replacement of Plumbing Systems
Pinhole corrosion leak in home plumbing has emerged as a significant issue. In the major water distribution system managed by municipalities and water utilities the costs are distributed among all subscribers. The home plumbing repair/replacement cost and possible water damage cost must be …
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Synthesis and Study of Stimuli-Responsive Fluorescent Polymeric Thin Films for Early Corrosion Detection by Directly Monitoring Iron Dissolution from Steel Substrates
… weathering techniques in combination with visual corrosion detection that consume substantial amounts of time and resources and often lead to inaccurate extrapolation to natural conditions. For corrosion science and engineering to evolve further, accurate and early detection methods of efficiently …
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Tribology of Sliding Contacts Within Plain Bearing Overlays Subject To Corrosion.
… as mixed and boundary lubrication regime. The corrosion resistance of these materials also need to be especially within used lubricant conditions. In advance of tribology experiments a static immersion test is employed to investigate the corrosion resistance of lead-free lining and overlay …
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Development of measurement techniques for evaluation of inhibitors for controlling rebar corrosion in concrete
… provides a nearly perfect environment for corrosion protection of steel; However, the use of de-icing salts on the highway system has accelerated the deterioration rate of bridge decks in the snow belt. In 1981, over 100,000 bridges were reported to be structurally deficient, and the …
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Nickel- and iron-based HVOF thermal spray coatings for high temperature corrosion protection in biomass-fired power plant boilers
… face serious problems due to high temperature corrosion. Fouling and corrosion in biomass boilers can lead to tube failure and leakage. In addition, demand for higher efficiency of electricity and heat generation requires an increase in steam temperatures, which raises the material temperatures …
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Effects of Air Pollution, Temperature and Moisture Content on Copper and Silver Corrosions and the Reliability of Data Center Equipment
… and pollutant mixture on atmospheric corrosion of copper and silver were investigated by exposing test specimens to different environmental conditions, followed by surface characterization using the coulometric reduction, Scanning Electron Microscopy, and Energy Dispersive Spectrometry …
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Effects Of Air Pollution, Temperature And Moisture Content On Copper And Silver Corrosions And The Reliability Of Data Center Equipment
… and pollutant mixture on atmospheric corrosion of copper and silver were investigated by exposing test specimens to different environmental conditions, followed by surface characterization using the coulometric reduction, Scanning Electron Microscopy, and Energy Dispersive Spectrometry …
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A numerical study on parameters affecting boric acid transport and chemistry within fuel corrosion deposits during crud induced power shift
… variation of pH in the crud and suppression of corrosion mechanisms of Zircaloy tubes. Results from this model were found to be consistent with published plant observations and comparative modeling studies elsewhere.
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A Study of High Temperature Corrosion in an AFBC System
<p>The occurrence of furnace wall and superheater corrosion in fluidized bed combustor systems has caused some operational and economic concerns. It is generally accepted that chlorine and sulfur may play roles in this corrosion. In order to predict the performance of high chlorine or high sulfur …
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