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Article: Phase transformations in an Fe-7.8Al-29.5Mn-1.5Si-1.05C alloy

TitlePhase transformations in an Fe-7.8Al-29.5Mn-1.5Si-1.05C alloy
Authors
Issue Date1993
Citation
Metallurgical Transactions A, 1993, v. 24, n. 9, p. 1957-1963 How to Cite?
AbstractPhase transformations in an Fe-7.8Al-29.5Mn-l.5Si-1.05C alloy have been investigated by means of optical microscopy and transmission electron microscopy. In the as-quenched condition, a high density of fine (Fe,Mn)3AlC carbides could be observed within the austenite matrix. When the as-quenched alloy was aged at temperatures ranging from 550 °C to 825 °C, a γ → coarse (Fe,Mn)3AlC carbide + DO3 reaction occurred by a cellular precipitation on the γ/γ grain boundaries and twin boundaries. Both of the observations are quite different from those observed by other workers in Fe-Al-Mn-C alloys. In their studies, it was found that the as-quenched microstructure was austenite phase (γ), and (Fe,Mn)3AlC carbides could only be observed within the austenite matrix in the aged alloys. In addition, a γ →α (ferrite) + coarse (Fe,Mn)3AlC carbide reaction or a γ →α + coarse (Fe,Mn)3AlC carbide +β-Mn reaction was found to occur on the γ/γ grain boundary in the aged Fe-Al-Mn-C alloys. © 1993 The Minerals, Metals and Materials Society, and ASM International.
Persistent Identifierhttp://hdl.handle.net/10722/256014
ISSN
2017 Impact Factor: 1.887
2015 SCImago Journal Rankings: 1.222

 

DC FieldValueLanguage
dc.contributor.authorChao, C. Y.-
dc.contributor.authorLiu, T. F.-
dc.date.accessioned2018-07-16T06:14:20Z-
dc.date.available2018-07-16T06:14:20Z-
dc.date.issued1993-
dc.identifier.citationMetallurgical Transactions A, 1993, v. 24, n. 9, p. 1957-1963-
dc.identifier.issn1073-5623-
dc.identifier.urihttp://hdl.handle.net/10722/256014-
dc.description.abstractPhase transformations in an Fe-7.8Al-29.5Mn-l.5Si-1.05C alloy have been investigated by means of optical microscopy and transmission electron microscopy. In the as-quenched condition, a high density of fine (Fe,Mn)3AlC carbides could be observed within the austenite matrix. When the as-quenched alloy was aged at temperatures ranging from 550 °C to 825 °C, a γ → coarse (Fe,Mn)3AlC carbide + DO3 reaction occurred by a cellular precipitation on the γ/γ grain boundaries and twin boundaries. Both of the observations are quite different from those observed by other workers in Fe-Al-Mn-C alloys. In their studies, it was found that the as-quenched microstructure was austenite phase (γ), and (Fe,Mn)3AlC carbides could only be observed within the austenite matrix in the aged alloys. In addition, a γ →α (ferrite) + coarse (Fe,Mn)3AlC carbide reaction or a γ →α + coarse (Fe,Mn)3AlC carbide +β-Mn reaction was found to occur on the γ/γ grain boundary in the aged Fe-Al-Mn-C alloys. © 1993 The Minerals, Metals and Materials Society, and ASM International.-
dc.languageeng-
dc.relation.ispartofMetallurgical Transactions A-
dc.titlePhase transformations in an Fe-7.8Al-29.5Mn-1.5Si-1.05C alloy-
dc.typeArticle-
dc.description.natureLink_to_subscribed_fulltext-
dc.identifier.doi10.1007/BF02666330-
dc.identifier.scopuseid_2-s2.0-51249163004-
dc.identifier.volume24-
dc.identifier.issue9-
dc.identifier.spage1957-
dc.identifier.epage1963-
dc.identifier.eissn1543-1940-

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