[PDF] Top 20 Corrosion issues in pressurized water reactors : achievements and challenges
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Corrosion issues in pressurized water reactors : achievements and challenges
... FAC IN POWER PLANTS Importance of the design of the components, modeling and prediction of degradations (COMSY, BRT-CICERO, WATHEC, CHECWORKS…) coupled with non-destructive ... Voir le document complet
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Corrosion and corrosion mitigation in pressurized water reactors
... SCC MITIGATION AT THE TUBE–TUBE SHEET INTERFACE High stress level at the roll transition leading to SCC cracks in the tube-tube sheet crevice (in the USA mainly) Two-step rolling allowing a smoother ... Voir le document complet
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A review on clogging of recirculating steam generators in Pressurized-Water Reactors
... pH) and the largest molecular size (to obtain a large footprint on the surface of magnetite and to reduce the amount of adsorption for a given amine concentration) lead to weak adsorption onto magnetite ... Voir le document complet
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The effect of polyacrylic acid on iron oxides formed on steam generator tubes and on metallic copper present in pressurized water reactors
... Keywords: corrosion products, polyacrylic acid, dispersant, complexing agent, fouling, clogging, blockage, iron, copper ...Introduction In Steam Generators (SGs) of Pressurized Water ... Voir le document complet
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Oxidation kinetics and hydrogen uptake of titanium alloys in pressurized water reactors (PWR) primary water
... primary water (hydrogenated, 290°C, 150 bars, reductive conditions and neutral-to-basic pH) for various periods of time in a corrosion loop: 0, 163, 500 and 1000 ...scanning and ... Voir le document complet
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Characterization and mitigation of crud at pressurized water reactor conditions
... shown in this image is covered in solidification foulings partially caused by solidified hydrocarbon ...present in the liquid causes fouling, the fouling is called ...algae, and barnacles can ... Voir le document complet
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The role of intergranular chromium carbides on intergranular oxidation of nickel based alloys in pressurized water reactors primary water
... observed in grain boundaries containing Cr ...of pressurized water reactors (PWRs) of French nuclear power plants up to 60 ...used in PWRs, nickel based alloys such as Alloy 600 ... Voir le document complet
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Design strategies for optimizing high burnup fuel in pressurized water reactors
... operating reactors as of 2002 in the US, 212 units worldwide as of 2002 [28]), mostly built in the 1970s, has demonstrated excel- lent safety features and economic performance as large ... Voir le document complet
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The Characterization of the oxide films formed at the surface of Ni-base alloys in pressurized water reactors primary coolant by transmission electron microscopy
... nature and the structure of passive films formed on these alloys is essential for a better understanding of the mechanisms governing the phenomena of oxidation and ...layer and an outer layer ... Voir le document complet
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Nuclear corrosion and materials: achievements and challenges
... materials in contact with liquid water at high flow rates Carbon steels (CS) or low Alloyed Steels (LAS) covered with a protective layer magnetite / hematite (passive layer) Stationary conditions: V film ... Voir le document complet
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Pension Reforms in the EU since the Early 2000’s: Achievements and Challenges Ahead
... financed in CEECs through public debt issuance (as seen, contributions into these new schemes are most of the times financed by reallocating part of the social contributions raised to finance public pensions ... Voir le document complet
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An overview of corrosion issues in supercritical fluids
... CORROSION … The annual cost of corrosion is 3-4% of the world’s Gross Domestic Product One quarter of the steel annual production is destroyed by corrosion Source: World Corrosion ... Voir le document complet
15
Integrated modeling of agricultural production systems: achievements and remaining issues
... biophysical and human ...agronomical and environmen- tal criteria and, so doing, help design new management ...main achievements were pointed out: a compre- hensive approach and a ... Voir le document complet
7
Canadian Securities Regulation: Issues And Challenges
... In the securities field, subject to constant changes, rapidity of adapta- tion to laws and regulations and quick detection of problems and tendencies is ...diverse in terms of types of ... Voir le document complet
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Rhizosphere: so many achievements and even more challenges (editorial)
... L’archive ouverte pluridisciplinaire HAL, est destinée au dépôt et à la diffusion de documents scientifiques de niveau recherche, publiés ou non, émanant des établissements d’enseignemen[r] ... Voir le document complet
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MOOC learning experience design: issues and challenges
... content and updates was published in a daily newsletter that was emailed to participants who had subscribed to the newsletter ...service. In addition, the course Web environment would provide daily ... Voir le document complet
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Some current issues and challenges in the social economy
... EXPECTATIONS AND EXPERIENCES OF CLIENTS UTILIZING JOB-TRAINING SERVICES IN A SOCIAL ENTERPRISE (pages 221–244) Marlene WALK, Itay GREENSPAN, Honey CROSSLEY and Femida HANDY Article first published ... Voir le document complet
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Interactions between oceans and societies in 2030: challenges and issues for research
... researchers in charge of strategic planning and/or foresight analysis in their own research institute, close to the head of their ...represented in this group are agriculture, aeronautics, ... Voir le document complet
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Disinfection practices and the challenges of byproducts in drinking water
... drinking water in treatment plants is typically performed to inactivate ...used in drinking water treatment plants are chlorine, chloramines, chlorine dioxide, UV and ...carbon ... Voir le document complet
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Issues and challenges of knowledge management in online open source hardware communities
... them. In this case, the knowledge used for decision-making is implicit (Bonvoisin, Thomas, et ...the challenges of OSS project KM stems from the close relationship between the author and the authored ... Voir le document complet
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