The carburization behavior of alloy 800HT in high temperature supercritical-CO2

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dc.contributor.authorSubramanian, Gokul Obulanko
dc.contributor.authorKim, Sung Hwanko
dc.contributor.authorJang, Changheuiko
dc.date.accessioned2021-08-03T00:30:19Z-
dc.date.available2021-08-03T00:30:19Z-
dc.date.created2021-08-03-
dc.date.created2021-08-03-
dc.date.issued2021-09-
dc.identifier.citationMATERIALS LETTERS, v.299, pp.130067-
dc.identifier.issn0167-577X-
dc.identifier.urihttp://hdl.handle.net/10203/286953-
dc.description.abstractThe contribution of high temperature supercritical-CO2 (S-CO2) exposure (650 degrees C for 1000 h) on the carburization behavior of Alloy 800HT was studied. For comparison, Alloy 800HT specimens were also exposed to air and vacuum environments. The S-CO2 exposed specimens showed carbon-accumulated layer at the oxide-matrix interface. All specimens showed subsurface carbide precipitation but it was more pronounced for the S-CO2 exposed specimen, suggesting inward carbon diffusion from the carbon-accumulated layer at oxide-matrix interface. The pronounced subsurface carbide precipitation for the S-CO2 exposed specimens resulted in much increased hardening and reduction in ductility. Thus, we clearly identified that S-CO2 exposure caused the formation of the interfacial carbon-accumulated layer and more subsurface carbide precipitates, and resulting in additional hardening and reduction in ductility for Alloy 800HT. (C) 2021 Elsevier B.V. All rights reserved.-
dc.languageEnglish-
dc.publisherELSEVIER-
dc.titleThe carburization behavior of alloy 800HT in high temperature supercritical-CO2-
dc.typeArticle-
dc.identifier.wosid000664033000026-
dc.identifier.scopusid2-s2.0-85107130663-
dc.type.rimsART-
dc.citation.volume299-
dc.citation.beginningpage130067-
dc.citation.publicationnameMATERIALS LETTERS-
dc.identifier.doi10.1016/j.matlet.2021.130067-
dc.contributor.localauthorJang, Changheui-
dc.description.isOpenAccessN-
dc.type.journalArticleArticle-
dc.subject.keywordAuthorAlloy 800HT-
dc.subject.keywordAuthorSupercritical carbon dioxide-
dc.subject.keywordAuthorHigh temperature corrosion-
dc.subject.keywordAuthorCarburization-
dc.subject.keywordAuthorTensile test-
dc.subject.keywordAuthorOxide spallation-
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NE-Journal Papers(저널논문)
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