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Please use this identifier to cite or link to this item: http://acervodigital.unesp.br/handle/11449/113629
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dc.contributor.authorGallego, Juno-
dc.contributor.authorRodrigues, Alessandro Roger-
dc.contributor.authorFazolo de Assis, Cleiton Lazaro-
dc.contributor.authorMontanari, Luciana-
dc.date.accessioned2014-12-03T13:11:50Z-
dc.date.accessioned2016-10-25T20:15:20Z-
dc.date.available2014-12-03T13:11:50Z-
dc.date.available2016-10-25T20:15:20Z-
dc.date.issued2014-03-01-
dc.identifierhttp://dx.doi.org/10.1590/S1516-14392013005000199-
dc.identifier.citationMaterials Research-ibero-american Journal Of Materials. Sao Carlos: Univ Fed Sao Carlos, Dept Engenharia Materials, v. 17, n. 2, p. 527-534, 2014.-
dc.identifier.issn1516-1439-
dc.identifier.urihttp://hdl.handle.net/11449/113629-
dc.identifier.urihttp://acervodigital.unesp.br/handle/11449/113629-
dc.description.abstractGrain size refinement is one of the most efficient strengthening mechanisms applied to modern High-Strength Low-Alloy steels (HSLA) because yield strength and toughness are both improved. This paper discusses the distribution of carbides by using transmission electron microscopy (TEM) in a low-carbon steel with ultrafine grained (UFG) ferrite. Fine cementite particles were formed during water quenching due to the auto-tempering of highly distorted martensite. Other fine particles observed under the same condition were nucleated due to the presence of carbide formers such as niobium, titanium and vanadium. TEM analysis showed that cementite particles underwent Ostwald ripening during warm rolling but they were still able to inhibit ferrite grain growth, which was maintained 1 mu m size approximately.en
dc.description.sponsorshipFundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)-
dc.description.sponsorshipConselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)-
dc.description.sponsorshipCoordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)-
dc.format.extent527-534-
dc.language.isoeng-
dc.publisherUniv Fed Sao Carlos, Dept Engenharia Materials-
dc.sourceWeb of Science-
dc.subjectultrafine-grained steelen
dc.subjectthermomechanical processingen
dc.subjectcarbide/carbonitride precipitationen
dc.subjectferriteen
dc.subjectmicrostructureen
dc.subjecttransmission electron microscopyen
dc.subjectelectron diffractionen
dc.titleSecond Phase Precipitation in Ultrafine-grained Ferrite Steelen
dc.typeoutro-
dc.contributor.institutionUniversidade Estadual Paulista (UNESP)-
dc.contributor.institutionUniversidade de São Paulo (USP)-
dc.description.affiliationSao Paulo State Univ, UNESP, Dept Mech Engn, BR-15385000 Ilha Solteira, SP, Brazil-
dc.description.affiliationUniv Sao Paulo, Dept Mech Engn, BR-13566590 Sao Carlos, SP, Brazil-
dc.description.affiliationUnespSao Paulo State Univ, UNESP, Dept Mech Engn, BR-15385000 Ilha Solteira, SP, Brazil-
dc.identifier.doi10.1590/S1516-14392013005000199-
dc.identifier.scieloS1516-14392013005000199-
dc.identifier.wosWOS:000336255900035-
dc.rights.accessRightsAcesso aberto-
dc.identifier.fileS1516-14392014000200035.pdf-
dc.relation.ispartofMaterials Research-ibero-american Journal of Materials-
dc.identifier.orcid0000-0002-5477-8139pt
Appears in Collections:Artigos, TCCs, Teses e Dissertações da Unesp

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