Steam-side Oxidation of Materials for Supercritical Boilers

Steam-side Oxidation of Materials for Supercritical Boilers

Corrosion Resistance of Novel Coatings on Ferritic Steels …

23/7/2015 · In addition when supercritical steam conditions are required, and the components are exposed to temperatures higher than 600 C steam oxidation is also expected to increase. In fact, some boiler components, such as the superheater tubes, are exposed to both steam and fireside corrosion at these high temperatures, and ferritic steels corrode at very fast rates under both atmospheres.

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Steam-side Oxidation of Materials for Supercritical Boilers

In this work the steam-side oxidation resistance of various austenitic boiler steels was evaluated. The aim was to evaluate applicability of tested steels to over 600 °C live steam temperatures. Experimental work has been performed by exposing various austenitic boiler steels to supercritical steam in autoclave.

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Superalloys for ultra supercritical steam turbines- …

1/9/2008 · Steam Oxidation and Chromia Evaporation in Ultra-Supercritical Steam Boilers and Turbines Journal Article Holcomb, Gordon H - Journal of the Electrochemical Society U.S. Department of Energy's goals include power generation from coal at 60% efficiency, which requires steam conditions of up to 760 °C and 340 atm, so-called ultra-supercritical (USC) conditions.

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Oxidation rate of advanced heat-resistant steels for ultra …

Oxidation rate of advanced heat-resistant steels for ultra-supercritical boilers in pressurized superheated steam Yong Sun Yi, Yutaka Watanabe, Tatsuo Kondo, Hiroshi Kimura, Minoru Sato ENG - Quantum Science and Energy Engineering

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Steam-side Oxidation of Materials for Supercritical …

In this work the steam-side oxidation resistance of various austenitic boiler steels was evaluated. The aim was to evaluate applicability of tested steels to over 600 °C live steam temperatures. Experimental work has been performed by exposing various austenitic boiler steels to supercritical steam in autoclave.

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Boiler materials for ultra-supercritical coal power …

1/6/2006 · The corrosion behavior of tubing materials carrying steam at high temperature is of great concern to fossil power plant operators. This is due to the fact that the oxide films formed on the steam side can lead to major failures and consequently to reduced plant availability. The wall loss of the pressure boundary caused by oxidation can increase the hoop stresses and cause premature creep

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Steam Oxidation and Chromia Evaporation in Ultra …

1/1/2009 · Some of the more important performance limitations are high-temperature creep strength, fire-side corrosion resistance, and steam-side oxidation resistance. Nickel-base superalloys are expected to be the materials best suited for steam boiler and turbine applications above about 675 C. Specific alloys of interest more » include Haynes 230 and 282, Inconel 617, 625 and 740, and Nimonic 263.

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Steam oxidation in steam boiler and turbine …

ADVANCED MATERIALS & PROCESSES • JANUARY 2013 23 Managing Steam-Side Oxidation and Exfoliationin USC Boiler Tubes S uperheaters (SH) and reheaters (RH) in modern supercritical (SC) and ultrasu-percritical (USC) coal-fired steam sures up to

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The rate of corrosive wear in superheaters of boilers for …

The paper prepares models of corrosion processes in superheaters of supercritical boilers. The models presented enable a quantitative description of steam-side and flue gas-side oxidation as a function of the design and operational parameters of the heating surface.

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Materials for boilers operating under supercritical steam …

Managing Steam-Side Oxidation and Exfoliation in USC

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Corrosion Resistance of Novel Coatings on Ferritic Steels …

23/7/2015 · In addition when supercritical steam conditions are required, and the components are exposed to temperatures higher than 600 C steam oxidation is also expected to increase. In fact, some boiler components, such as the superheater tubes, are exposed to both steam and fireside corrosion at these high temperatures, and ferritic steels corrode at very fast rates under both atmospheres.

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Impacts of steam conditions on plant materials and …

1/1/2013 · Once-through boilers using supercritical (SC) steam were introduced in the 1950s. 1 The hunt for higher efficiency and advanced steam conditions continued with the first SC unit, 120 MW Philo Unit 6, which came on line in Ohio in 1957.

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Materials for Advanced Ultra-Supercritical (A-USC) National Laboratory Steam Boilers …

Materials for Advanced Ultra-Supercritical (A-USC) Steam Boilers P.F. Tortorelli, Y. Yamamoto, P.J. Maziasz, J.L. Moser, C.O. Stevens, M.L.Santella (retired) Oak

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The rate of corrosive wear in superheaters of boilers for …

Managing Steam-Side Oxidation and Exfoliation in USC

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Material Selection in Boilers-081388666204| IDMBoiler

26/6/2019 · This also causes steam-side oxidation resistance and fire-side corrosion to increase. P91 has been used for headers and pipes in USC boilers with temperatures over 600OC. P92 developed from P91 allowable stress is higher and can be used for steam temperatures up to 620OC.

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Materials | Free Full-Text | Steam Oxidation of Austenitic …

Mahanen, J. Steam-side Oxidation of Materials for Supercritical Boilers. Master's Thesis, Tamper University of Technology, Tampere, Finland, 2011. [Google Scholar] Wright, I.G.; Dooley, R.B. A review of the oxidation behaviour of structural alloys in steam. 2013

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JOUNI MAHANEN STEAM-SIDE OXIDATION OF MATERIALS FOR …

main focus is on the steam-side oxidation of boiler steels. Thermodynamic and kinetic considerations affecting the oxidation process are discussed. The effect of alloy composition, grain size and degree of cold-working in surface layer on steam-side

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Ultra-Supercritical Steam Corrosion

the Albany Research Center (ARC) is examining the steam-side oxidation behavior for ultra-supercritical (USC) steam turbine applications. Initial tests are being done on six alloys identified as candidates for USC steam boiler applications: ferritic alloy SAVE12

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Superheater Materials Testing for USC Boilers: Steam …

9-12%Cr Martensitic Steels, Austenitic Steel, Industrial Demonstration, Steam Side Oxidation, Superheater Advanced Materials, Ultra-Supercritical Steam Boilers Export: RIS, BibTeX

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Supercritical Power Plants: Materials and Specifications

Supercritical power plants have four unique systems: boiler feedwater, main steam, hot reheat and startup. Engineers in these plants select piping material first. Then, they decide what components will be needed and what families of materials can be used for valves and attendant components that will ensure compatibility with the piping system materials.

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