{"title":"Microstructural corrosion behavior of austenitic Fe-21Mn-2.5Al-0.04C alloy in oxidizing-sulfidizing environments","authors":"S.C. Tjong","doi":"10.1016/0026-0800(89)90041-4","DOIUrl":null,"url":null,"abstract":"<div><p>Fe-21Mn-2.5Al-0.04C alloy was exposed to SO<sub>2</sub>-O<sub>2</sub> mixed gas environments at 900°C. The morphologies of the scales formed on the alloy investigated were examined by scanning electron microscopy and x-ray mapping techniques. The results showed that multilayered scales were formed, consisting of an external (FeMn)<sub>2</sub>O<sub>3</sub> blocky oxide, an intermediate (FeMn)<sub>2</sub>O<sub>3</sub> internal oxide, and an innermost Mn(Fe)S sulfide.</p></div>","PeriodicalId":100918,"journal":{"name":"Metallography","volume":"23 1","pages":"Pages 87-100"},"PeriodicalIF":0.0000,"publicationDate":"1989-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0026-0800(89)90041-4","citationCount":"1","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Metallography","FirstCategoryId":"1085","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/0026080089900414","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 1
Abstract
Fe-21Mn-2.5Al-0.04C alloy was exposed to SO2-O2 mixed gas environments at 900°C. The morphologies of the scales formed on the alloy investigated were examined by scanning electron microscopy and x-ray mapping techniques. The results showed that multilayered scales were formed, consisting of an external (FeMn)2O3 blocky oxide, an intermediate (FeMn)2O3 internal oxide, and an innermost Mn(Fe)S sulfide.
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