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Article: An approach to define the effective lath size controlling yield strength of bainite

TitleAn approach to define the effective lath size controlling yield strength of bainite
Authors
KeywordsElectron backscattering diffraction (EBSD)
Lath misorientation
Lath size
Ultra-low carbon bainitic steels
Yield stress
Issue Date2010
PublisherElsevier SA. The Journal's web site is located at http://www.elsevier.com/locate/msea
Citation
Materials Science And Engineering A, 2010, v. 527 n. 24-25, p. 6614-6619 How to Cite?
AbstractA fully bainitic microstructure with negligible carbide precipitation is obtained in two ultra-low carbon steels. The size and misorientation of bainite laths are analysed by Electron Back Scattering Diffraction (EBSD). It is found that the yield stress of bainite is proportional to the inverse lath size defined with low boundary misorientation (2-7°). This can be explained by a theory predicting the flow stress of deformed metals, assuming that both lath boundary and dislocation cell boundary have similar capability of being dislocation obstacles. © 2010 Elsevier B.V.
Persistent Identifierhttp://hdl.handle.net/10722/133628
ISSN
2015 Impact Factor: 2.647
2015 SCImago Journal Rankings: 1.803
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorZhu, Ken_HK
dc.contributor.authorBouaziz, Oen_HK
dc.contributor.authorOberbillig, Cen_HK
dc.contributor.authorHuang, Men_HK
dc.date.accessioned2011-05-24T02:12:27Z-
dc.date.available2011-05-24T02:12:27Z-
dc.date.issued2010en_HK
dc.identifier.citationMaterials Science And Engineering A, 2010, v. 527 n. 24-25, p. 6614-6619en_HK
dc.identifier.issn0921-5093en_HK
dc.identifier.urihttp://hdl.handle.net/10722/133628-
dc.description.abstractA fully bainitic microstructure with negligible carbide precipitation is obtained in two ultra-low carbon steels. The size and misorientation of bainite laths are analysed by Electron Back Scattering Diffraction (EBSD). It is found that the yield stress of bainite is proportional to the inverse lath size defined with low boundary misorientation (2-7°). This can be explained by a theory predicting the flow stress of deformed metals, assuming that both lath boundary and dislocation cell boundary have similar capability of being dislocation obstacles. © 2010 Elsevier B.V.en_HK
dc.languageengen_US
dc.publisherElsevier SA. The Journal's web site is located at http://www.elsevier.com/locate/mseaen_HK
dc.relation.ispartofMaterials Science and Engineering Aen_HK
dc.subjectElectron backscattering diffraction (EBSD)en_HK
dc.subjectLath misorientationen_HK
dc.subjectLath sizeen_HK
dc.subjectUltra-low carbon bainitic steelsen_HK
dc.subjectYield stressen_HK
dc.titleAn approach to define the effective lath size controlling yield strength of bainiteen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0921-5093&volume=527&spage=6614&epage=6619&date=2010&atitle=An+approach+to+define+the+effective+lath+size+controlling+yield+strength+of+bainite-
dc.identifier.emailHuang, M:mxhuang@hku.hken_HK
dc.identifier.authorityHuang, M=rp01418en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1016/j.msea.2010.06.061en_HK
dc.identifier.scopuseid_2-s2.0-77955924938en_HK
dc.identifier.hkuros185170en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-77955924938&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume527en_HK
dc.identifier.issue24-25en_HK
dc.identifier.spage6614en_HK
dc.identifier.epage6619en_HK
dc.identifier.isiWOS:000281942900024-
dc.publisher.placeSwitzerlanden_HK
dc.identifier.scopusauthoridZhu, K=36199076900en_HK
dc.identifier.scopusauthoridBouaziz, O=6602183179en_HK
dc.identifier.scopusauthoridOberbillig, C=36464077300en_HK
dc.identifier.scopusauthoridHuang, M=23469788700en_HK
dc.identifier.citeulike7409670-

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