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- Publisher Website: 10.1016/j.matlet.2011.06.104
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Article: Modelling the strongest grain size in nanocrystalline FCC metals
Title | Modelling the strongest grain size in nanocrystalline FCC metals | ||||
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Authors | |||||
Keywords | Abnormal Hall-Petch Nanocrystalline Strength | ||||
Issue Date | 2011 | ||||
Publisher | Elsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/matlet | ||||
Citation | Materials Letters, 2011, v. 65 n. 19-20, p. 3128-3130 How to Cite? | ||||
Abstract | A physical model is proposed to predict the critical grain size at which nanocrystalline FCC metals reach a maximum steady state flow stress. The model considers that nanocrystalline metals are composed of two phases. One is the grain boundary phase and the other is the grain interior phase. The grain boundary phase has specific deformation mechanism different to the grain interior phase. The critical grain size with the maximum steady state flow stress is predicted to decrease with deformation temperature and to increase with strain rate. Both normal and abnormal Hall-Petch relations can be described simultaneously by the model. © 2011 Elsevier B.V. All Rights Reserved. | ||||
Persistent Identifier | http://hdl.handle.net/10722/137362 | ||||
ISSN | 2021 Impact Factor: 3.574 2020 SCImago Journal Rankings: 0.755 | ||||
ISI Accession Number ID |
Funding Information: MH gratefully acknowledges the financial support from the University Research Committee of The University of Hong Kong (Project code: 201009159012). | ||||
References | |||||
Grants |
DC Field | Value | Language |
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dc.contributor.author | Huang, M | en_HK |
dc.contributor.author | Bouaziz, O | en_HK |
dc.contributor.author | Der Zwaag, SV | en_HK |
dc.date.accessioned | 2011-08-26T14:23:40Z | - |
dc.date.available | 2011-08-26T14:23:40Z | - |
dc.date.issued | 2011 | en_HK |
dc.identifier.citation | Materials Letters, 2011, v. 65 n. 19-20, p. 3128-3130 | en_HK |
dc.identifier.issn | 0167-577X | en_HK |
dc.identifier.uri | http://hdl.handle.net/10722/137362 | - |
dc.description.abstract | A physical model is proposed to predict the critical grain size at which nanocrystalline FCC metals reach a maximum steady state flow stress. The model considers that nanocrystalline metals are composed of two phases. One is the grain boundary phase and the other is the grain interior phase. The grain boundary phase has specific deformation mechanism different to the grain interior phase. The critical grain size with the maximum steady state flow stress is predicted to decrease with deformation temperature and to increase with strain rate. Both normal and abnormal Hall-Petch relations can be described simultaneously by the model. © 2011 Elsevier B.V. All Rights Reserved. | en_HK |
dc.language | eng | en_US |
dc.publisher | Elsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/matlet | en_HK |
dc.relation.ispartof | Materials Letters | en_HK |
dc.subject | Abnormal Hall-Petch | en_HK |
dc.subject | Nanocrystalline | en_HK |
dc.subject | Strength | en_HK |
dc.title | Modelling the strongest grain size in nanocrystalline FCC metals | en_HK |
dc.type | Article | en_HK |
dc.identifier.openurl | http://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0167-577X&volume=65&issue=19-20&spage=3128&epage=3130&date=2011&atitle=Modelling+the+strongest+grain+size+in+nanocrystalline+FCC+metals | - |
dc.identifier.email | Huang, M:mxhuang@hku.hk | en_HK |
dc.identifier.authority | Huang, M=rp01418 | en_HK |
dc.description.nature | link_to_subscribed_fulltext | - |
dc.identifier.doi | 10.1016/j.matlet.2011.06.104 | en_HK |
dc.identifier.scopus | eid_2-s2.0-79960501943 | en_HK |
dc.identifier.hkuros | 192008 | en_US |
dc.relation.references | http://www.scopus.com/mlt/select.url?eid=2-s2.0-79960501943&selection=ref&src=s&origin=recordpage | en_HK |
dc.identifier.volume | 65 | en_HK |
dc.identifier.issue | 19-20 | en_HK |
dc.identifier.spage | 3128 | en_HK |
dc.identifier.epage | 3130 | en_HK |
dc.identifier.isi | WOS:000295068300080 | - |
dc.publisher.place | Netherlands | en_HK |
dc.relation.project | The nucleation mechanism of nano-sized twins in Twinning Induced Plasticity (TWIP) steels | - |
dc.identifier.scopusauthorid | Huang, M=23469788700 | en_HK |
dc.identifier.scopusauthorid | Bouaziz, O=6602183179 | en_HK |
dc.identifier.scopusauthorid | Der Zwaag, SV=43460983500 | en_HK |
dc.identifier.citeulike | 9528487 | - |
dc.identifier.issnl | 0167-577X | - |