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Simulating fireside corrosion of bare stainless steels and relevant aluminized coating under sulfate deposits with and without KCl

dc.contributor.authorZheng Yu
dc.contributor.authorShasha Yang
dc.contributor.authorLeipeng Xie
dc.contributor.authorMinghui Chen
dc.contributor.authorFuhui Wang
dc.contributor.otherSchool of Materials Science and Engineering, Northeastern University, Shenyang 110819, China
dc.contributor.otherSchool of Materials Science and Engineering, Northeastern University, Shenyang 110819, China; Corresponding authors.
dc.contributor.otherHBIS Materials Technology Research Institute, Shijiazhuang 052165, China
dc.contributor.otherSchool of Materials Science and Engineering, Northeastern University, Shenyang 110819, China; Corresponding authors.
dc.contributor.otherSchool of Materials Science and Engineering, Northeastern University, Shenyang 110819, China
dc.date.accessioned2025-08-27T04:50:42Z
dc.date.accessioned2025-10-08T08:27:15Z
dc.date.available2025-10-08T08:27:15Z
dc.date.issued01-09-2025
dc.identifier.urihttp://digilib.fisipol.ugm.ac.id/repo/handle/15717717/35935
dc.description.abstractThe corrosion behavior of Super304H, HR3C and related aluminized coatings under K2SO4 + Na2SO4 (mass ratio =1: 1) and K2SO4 + Na2SO4 + KCl (45: 45: 10) deposits in a mixed gas of 0.5SO2–4O2–20H2O-75.5CO2 (vol.%) at 700 °C were studied. Super304H undergoes severe corrosion under both deposits, the addition of KCl did not significantly accelerate the corrosion process but resulted in an extremely porous and thickness-doubled scale. While HR3C with higher Cr content shows excellent corrosion resistance in Cl free environment due to the formation of dense Cr2O3. Due to the involvement of Cl, HR3C can no longer resist the corrosion of the salts. The corrosion depth increases by two orders of magnitude and becomes as severe as Super304H. Aluminizing significantly improved the corrosion resistance of the alloys on account of α-Al2O3 formation by a new mechanism. The addition of KCl had little effect on this mechanism and only increased the thickness of the corrosion products slightly.
dc.language.isoEN
dc.publisherElsevier
dc.subject.lccMaterials of engineering and construction. Mechanics of materials
dc.titleSimulating fireside corrosion of bare stainless steels and relevant aluminized coating under sulfate deposits with and without KCl
dc.typeArticle
dc.description.keywordsStainless steel
dc.description.keywordsAluminized coating
dc.description.keywordsHot corrosion
dc.description.keywordsα-Al2O3
dc.description.keywordsChloride
dc.description.pages108-117
dc.description.doi10.1016/j.corcom.2024.04.007
dc.title.journalCorrosion Communications
dc.identifier.e-issn2667-2669
dc.identifier.oai1fef9c165f6046b69970771549e26fa8


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