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Showing 1 to 20 of 31 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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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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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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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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Experimental Study of Reinforced Concrete Ties under Load and Corrosion
Corrosion of reinforcing bars embedded in concrete is a worldwide problem that affects numerous reinforced concrete (RC) structures, which generates expansive products and decreases the cross section of the bars, compromising the safety of the structure. In Italy, the national highway network …
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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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Thermomechanical behavior of advanced manufactured heat-resistant alloys and their weldments
… include isothermal low cycle fatigue (LCF), corrosion resistance, and elevated temperature strength. The data generated in this work plays a pivotal role in de-risking Gen3 CSP systems by identifying and validating suitable alloys for various subcomponents. The findings provide essential …
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Surface Orientation Dependent Corrosion Damage and Temperature Dependent Mechanical Property Degradation of Sensitized AA5083-H116 Alloys
… changes of 5083-H116 to its resulting corrosion resistance and mechanical performance. Alcoa 5083-H116 was sensitized in an environmental chamber at 100°C for up to ~1500 hours and 150°C up to ~2000 hours, revealing different degrees of sensitization based on exposure times. …
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