File Download
Supplementary

Conference Paper: On the work-hardening mechanism of TWIP steels strengthened by nanometre-sized vanadium carbides

TitleOn the work-hardening mechanism of TWIP steels strengthened by nanometre-sized vanadium carbides
Authors
KeywordsTWIP steels
Vanadium carbides
Work-hardening
Dislocation evolution
Twinning kinetics
Issue Date2013
PublisherChina machine press.
Citation
The 2nd International Symposium on Automobile Steel (ISAS2013), Anshan, Liaoning, China, 21-24 May 2013. In Conference Proceedings, 2013, p. 113-117 How to Cite?
AbstractExperiments reveal that while dispersed nanometer-sized vanadium carbides can greatly increase the yield strength of twinning induced plasticity (TWIP) steels, they may cause some reduction of the overall work-hardening rate. A modified physically based model is adopted in the present work to capture the effect of nanometer-sized vanadium carbides on the work-hardening rate of a laboratory FeMnC austenitic TWIP grade. It is found that the introduction of the dispersed nanometer-sized carbides leads to a faster dislocation accumulation rate but reduces the rate of twin formation with strain during plastic deformation. Compared to a reference alloy without precipitates the work-hardening rate is higher at small strains but decreases faster than the reference thus presenting a lower work-hardening rate at high strains.
Persistent Identifierhttp://hdl.handle.net/10722/186800
ISBN

 

DC FieldValueLanguage
dc.contributor.authorLiang, Zen_US
dc.contributor.authorHuang, Men_US
dc.contributor.authorYen, HWen_US
dc.contributor.authorScott, CPen_US
dc.date.accessioned2013-08-20T12:20:45Z-
dc.date.available2013-08-20T12:20:45Z-
dc.date.issued2013en_US
dc.identifier.citationThe 2nd International Symposium on Automobile Steel (ISAS2013), Anshan, Liaoning, China, 21-24 May 2013. In Conference Proceedings, 2013, p. 113-117en_US
dc.identifier.isbn9787111421818-
dc.identifier.urihttp://hdl.handle.net/10722/186800-
dc.description.abstractExperiments reveal that while dispersed nanometer-sized vanadium carbides can greatly increase the yield strength of twinning induced plasticity (TWIP) steels, they may cause some reduction of the overall work-hardening rate. A modified physically based model is adopted in the present work to capture the effect of nanometer-sized vanadium carbides on the work-hardening rate of a laboratory FeMnC austenitic TWIP grade. It is found that the introduction of the dispersed nanometer-sized carbides leads to a faster dislocation accumulation rate but reduces the rate of twin formation with strain during plastic deformation. Compared to a reference alloy without precipitates the work-hardening rate is higher at small strains but decreases faster than the reference thus presenting a lower work-hardening rate at high strains.-
dc.languageengen_US
dc.publisherChina machine press.en_US
dc.relation.ispartofProceedings of the 2nd International Symposium on Automobile Steelen_US
dc.subjectTWIP steels-
dc.subjectVanadium carbides-
dc.subjectWork-hardening-
dc.subjectDislocation evolution-
dc.subjectTwinning kinetics-
dc.titleOn the work-hardening mechanism of TWIP steels strengthened by nanometre-sized vanadium carbidesen_US
dc.typeConference_Paperen_US
dc.identifier.emailHuang, M: mxhuang@hku.hken_US
dc.identifier.authorityHuang, M=rp01418en_US
dc.description.naturelink_to_OA_fulltext-
dc.identifier.hkuros220170en_US
dc.identifier.spage113en_US
dc.identifier.epage117en_US
dc.publisher.placeBeijingen_US

Export via OAI-PMH Interface in XML Formats


OR


Export to Other Non-XML Formats