2015
DOI: 10.1007/s11085-015-9559-y
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Determination of the Initiation and Propagation Mechanism of Fireside Corrosion

Abstract: A variety of deposit compositions were examined in short-term laboratory tests with the aim of determining the corrosion mechanisms of fireside corrosion for a range of chromiaforming alloys in various combustion systems. The deposits formed in boilers are complex, and despite decades of study, the propagation mechanism of fireside corrosion is not well understood. Alkali iron trisulfates, which are stabilized by SO 3 in the gas atmosphere, have been believed to be the major corrosive species for many years. T… Show more

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Cited by 28 publications
(4 citation statements)
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“…The scientific community agrees that hot corrosion attack can be divided into two stages: incubation and propagation . The initially observed slow corrosion is defined as the incubation stage.…”
Section: Introductionmentioning
confidence: 99%
“…The scientific community agrees that hot corrosion attack can be divided into two stages: incubation and propagation . The initially observed slow corrosion is defined as the incubation stage.…”
Section: Introductionmentioning
confidence: 99%
“…41,55 For the same reason, the presence of high-melting CaSO 4 as the only sulfate species (detected in the coal-and co-firing ash samples) is not considered critical in the temperature range of fireside corrosion. 54 In combination with the 500 ppm of atmospheric SO 2 , which is low compared to values typically used for simulated fireside corrosion environments 26,56,57 and the absence of sulfates such as Na 2 SO 4 or K 2 SO 4 , formation and stabilization of low-melting eutectics are not possible. Thus, it is not surprising that the coal firing environment has almost no negative impact on the test specimens.…”
Section: Discussionmentioning
confidence: 99%
“…There have also been some attempts to use β-Fe 2 O 3 NPs in biomedicine [63], sensors and lithium-ion batteries [20,64]. [193] Oxidation of steel in an O 2 -N 2 atmosphere at high temperature Improvement of steel coating quality TEM, EDS, GD-OES 3 [194] Corrosion of chromia-forming alloys in simplified combustion atmosphere Fireside corrosion studies EDS, XRD [195] Porous α-Fe 2 O 3 nanostructures Hydrothermal synthesis from FeCl 3 •6H 2 O in a microwave reactor Lithium-ion batteries XRD, TEM, SAED, XPS, TG-DTG [196] Sol-gel transformations of precursors in self-organized nanocellulose Energy conversion and storage XRD, TEM, SAED, XPS, TG-DSC [197] Martian hematite deposits Precipitation from oxygenated iron-rich water or biomineralization Search for evidence of life on Mars EDS, TEM [198] Hematite layers on sandstone grains Precipitation from oxidizing iron-saturated fluid Geochemistry XRD, ICP-MS 4 [199] Double-walled hematite nanotubes Growth of Fe nanowires inside porous templates and oxidation Photocatalysis, biomedicine XRD, EELS, HAADF-STEM, RS [200]…”
Section: Mechanisms Of Iron Oxide Formationmentioning
confidence: 99%