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| Naji, M. |
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| Petrov, R. H. | Madrid |
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Montgomery, Melanie
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Topics
Publications (71/71 displayed)
- 2020Annealing of Shot Peened Austenitic Superheater Tubes and Its Consequences for Steamside Oxidationcitations
- 2019Corrosion behaviour of Ni and nickel aluminide coatings exposed in a biomass fired power plant for two yearscitations
- 2019Nitridation of grate in a biomass-fired boiler
- 2019Danish Experiences in Biomass Corrosion and Recent Areas of Researchcitations
- 2019Danish Experiences in Biomass Corrosion and Recent Areas of Researchcitations
- 2019Effect of service exposure on KCl corrosion attack of AISI 347H FG steelcitations
- 2019Effect of service exposure on KCl corrosion attack of AISI 347H FG steelcitations
- 2019Corrosion of welds in biomass power plantscitations
- 2018Characterization of pack cemented Ni 2 Al 3 coating exposed to KCl(s) induced corrosion at 600 °Ccitations
- 2018Characterization of pack cemented Ni2Al3 coating exposed to KCl(s) induced corrosion at 600 °Ccitations
- 2018Effects of Different Fuel Specifications and Operation Conditions on the Performance of Coated and Uncoated Superheater Tubes in Two Different Biomass-Fired Boilerscitations
- 2018Effect of microstructure on KCl corrosion attack of modified AISI 310 steelcitations
- 2018Effect of microstructure on KCl corrosion attack of modified AISI 310 steelcitations
- 2018Time and temperature effects on alkali chloride induced high temperature corrosion of superheaters during biomass firingcitations
- 2018Time and temperature effects on alkali chloride induced high temperature corrosion of superheaters during biomass firingcitations
- 2018Influence of Preoxidation on High-Temperature Corrosion of a FeCrAl Alloy Under Conditions Relevant to Biomass Firingcitations
- 2018Microstructural investigations of Ni and Ni2Al3 coatings exposed in biomass power plantscitations
- 2017Influence of preoxidation on high temperature corrosion of a Ni-based alloy under conditions relevant to biomass firingcitations
- 2017Influence of preoxidation on high temperature corrosion of a Ni-based alloy under conditions relevant to biomass firingcitations
- 2017Effect of ageing on KCl corrosion attack of AISI 347H FG steel
- 2017Effect of ageing on KCl corrosion attack of AISI 347H FG steel
- 2017Complementary Methods for the Characterization of Corrosion Products on a Plant-Exposed Superheater Tubecitations
- 2017Complementary Methods for the Characterization of Corrosion Products on a Plant-Exposed Superheater Tubecitations
- 2017Corrosion in the Flue Gas Cleaning System of a Biomass-Fired Power Plantcitations
- 2017Effect of flue gas composition on deposit induced high temperature corrosion under laboratory conditions mimicking biomass firing. Part I: Exposures in oxidizing and chlorinating atmospherescitations
- 2017Effect of flue gas composition on deposit induced high temperature corrosion under laboratory conditions mimicking biomass firing. Part I: Exposures in oxidizing and chlorinating atmospherescitations
- 2017Effect of flue gas composition on deposit induced high temperature corrosion under laboratory conditions mimicking biomass firing. Part II: Exposures in SO 2 containing atmospherescitations
- 2017Effect of flue gas composition on deposit induced high temperature corrosion under laboratory conditions mimicking biomass firing. Part II: Exposures in SO2 containing atmospherescitations
- 2016KCl-induced high temperature corrosion of selected commercial alloys. Part II: alumina and silica-formerscitations
- 2016Laboratory Investigations of Ni-Al Coatings Exposed to Conditions Simulating Biomass Firing
- 2016Laboratory Investigations of Ni-Al Coatings Exposed to Conditions Simulating Biomass Firing
- 2015KCl-induced high temperature corrosion of selected commercial alloys. Part I: chromia-formerscitations
- 2015Comparison of Steam Oxidation of 18%Cr Steels from Various Power Plants
- 2015Effect of Water Vapor on High-Temperature Corrosion under Conditions Mimicking Biomass Firingcitations
- 2015Effect of Water Vapor on High-Temperature Corrosion under Conditions Mimicking Biomass Firingcitations
- 2015High temperature corrosion during biomass firing: improved understanding by depth resolved characterisation of corrosion productscitations
- 2015High temperature corrosion during biomass firing: improved understanding by depth resolved characterisation of corrosion productscitations
- 2015Alkali chloride induced corrosion of superheaters under biomass firing conditions: Improved insights from laboratory scale studies
- 2015Alkali chloride induced corrosion of superheaters under biomass firing conditions: Improved insights from laboratory scale studies
- 2014High temperature corrosion investigation in an oxyfuel combustion test rigcitations
- 2014High temperature corrosion investigation in an oxyfuel combustion test rigcitations
- 2014Failure of Titanium Condenser Tubes after 24 Years Power Plant Servicecitations
- 2014High Temperature Corrosion under Laboratory Conditions Simulating Biomass-Firing: A Comprehensive Characterization of Corrosion Productscitations
- 2014High Temperature Corrosion under Laboratory Conditions Simulating Biomass-Firing: A Comprehensive Characterization of Corrosion Productscitations
- 2014High temperature corrosion under conditions simulating biomass firing: depth-resolved phase identification
- 2014High temperature corrosion under conditions simulating biomass firing: depth-resolved phase identification
- 2013In situ corrosion testing of various nickel alloys at Måbjerg waste incineration plantcitations
- 2012Phase Identification and Internal Stress Analysis of Steamside Oxides on Plant Exposed Superheater Tubescitations
- 2012Laboratory experiments for investigating high temperature corrosion in oxyfuel environments
- 2011Experiences with high temperature corrosion at straw‐firing power plants in Denmarkcitations
- 2010Preliminary experience with material testing at the oxyfuel pilot plant at Schwarzepumpe
- 2010Microstructural investigation of the oxide formed on TP 347H FG during long-term steam oxidationcitations
- 2009Fireside corrosion and steamside oxidation of 9-12% Cr martensitic steels exposed for long term testingcitations
- 2009Development of the inner oxide zone upon steam oxidation of an austenitic stainless steelcitations
- 2009Oxidation of X20 in Water Vapour: The Effect of Temperature and Oxygen Partial Pressurecitations
- 2008Potential high temperature corrosion problems due to co-firing of biomass and fossil fuelscitations
- 2007Potential high temperature corrosion problems due to co-firing of biomass and fossil fuels
- 2006Materials Problems and Solutions in Biomass fired plantscitations
- 2005Investigation on steam oxidation behaviour of TP347H FG Part I Exposure at 256 bar
- 2005Long term steam oxidation of TP 347H FG in power plantscitations
- 2005Phase identification and internal stress analysis of steamside oxides on superheater tubes by means of X-ray diffraction
- 2005Investigation of steam oxidation behaviour of TP347H FG Part 2: Exposure at 91 bar
- 2004Field Investigation of Steamside Oxidation for TP347H
- 2004Relations between combustion, deposition, flue gas temperatures and corrosion in straw-fired boilers
- 2002High temperature corrosion in straw-fired power plants: Influence of steam/metal temperature on corrosion rates for TP347H
- 2002Field test corrosion experiments in Denmark with biomass fuels Part II Co-firing of straw and coal
- 2002Field test corrosion experiments in Denmark with biomass fuels Part I Straw firing
- 2002Superheater corrosion in biomass-fired power plants: Investigation of Welds
- 2001Corrosion Investigations in Straw-Fired Power Plants in Denmark
- 2001The effect of Co-firing with Straw and Coal on High Temperature Corrosion
- 2000On-plant test of TUV HCM12 and ASME T23 alloys for use as waterwall materials
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article
KCl-induced high temperature corrosion of selected commercial alloys. Part I: chromia-formers
Abstract
Laboratory testing of selected chromia-forming alloys was performed torank the materials and gain further knowledge on the mechanism ofKCl-induced high temperature corrosion. The investigated alloys werestainless steels EN1.4021, EN1.4057, EN1.4521, TP347H (coarse-grained),TP347HFG (fine-grained), Sanicro 28 and the nickel-based alloys 625, 263and C276. Exposure was performed at 600 °C for 168 h in flowing N<sub>2</sub>(g)+5%O<sub>2</sub>(g)+15% H<sub>2</sub>O(g)(vol.%). Samples were covered with KCl powder prior to exposure. Asalt-free exposure was also performed for comparison. Corrosionmorphology and products were studied with scanning electron microscopy(SEM), energy dispersive X-ray spectroscopy (EDS) and X-raydiffractometry (XRD). It was observed that in the salt-free exposure,stainless steels TP347H (coarse-grained) and EN1.4521 failed to form athin protective oxide layer compared to the oxide formed on the otheralloys. In the presence of solid KCl, all the alloys showed significantcorrosion. Measurement of corrosion extent indicated that alloysEN1.4057, Sanicro 28 and 625 show a better performance compared to theindustrial state of the art material TP347HFG under laboratoryconditions. An additional test was performed with KCl vapor in staticair for the same duration and at the same temperature. This wasundertaken to investigate the role of the vapor phase and revealed thatKCl vapor at 600 °C can initiate attack.