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Article: Breakdown of Schmid's law in micropillars

TitleBreakdown of Schmid's law in micropillars
Authors
Ng, KSNgan, AHW
KeywordsCompression test
Dislocations
Monte Carlo techniques
Plastic deformation
Schmid's law
Issue Date2008
PublisherPergamon. The Journal's web site is located at http://www.elsevier.com/locate/scriptamat
Citation
Scripta Materialia, 2008, v. 59 n. 7, p. 796-799 How to Cite?
DOI: http://dx.doi.org/10.1016/j.scriptamat.2008.06.019
AbstractThe validity of Schmid's law in micropillar samples is assessed by a simulation scheme in which the critical stress to operate a slip system is determined by the free lengths of dislocations pinned by intersection points imposed by dislocations lying on other slip planes. At fixed dislocation density, yielding occurs predominantly on the slip system with the maximum Schmid factor when the sample size is large, but as the sample size reduces, other slip systems have an increasing probability of operating. © 2008 Acta Materialia Inc.
Persistent Identifierhttp://hdl.handle.net/10722/59014
ISSN
1359-6462
2021 Impact Factor: 6.302
2020 SCImago Journal Rankings: 2.027
ISI Accession Number ID
WOS:000258968300032
Funding AgencyGrant Number
Research Grants Council of the Hong Kong Special Administration Region, PR ChinaHKU7162/06E
Funding Information:

We thank P.C. Wo as well as the Electron Microscope Unit of HKU for assistance. The work described in this paper was supported by a Grant from the Research Grants Council of the Hong Kong Special Administration Region, PR China (Project No. HKU7162/06E).

References
References in Scopus

 

DC FieldValueLanguage
dc.contributor.authorNg, KSen_HK
dc.contributor.authorNgan, AHWen_HK
dc.date.accessioned2010-05-31T03:41:26Z-
dc.date.available2010-05-31T03:41:26Z-
dc.date.issued2008en_HK
dc.identifier.citationScripta Materialia, 2008, v. 59 n. 7, p. 796-799en_HK
dc.identifier.issn1359-6462en_HK
dc.identifier.urihttp://hdl.handle.net/10722/59014-
dc.description.abstractThe validity of Schmid's law in micropillar samples is assessed by a simulation scheme in which the critical stress to operate a slip system is determined by the free lengths of dislocations pinned by intersection points imposed by dislocations lying on other slip planes. At fixed dislocation density, yielding occurs predominantly on the slip system with the maximum Schmid factor when the sample size is large, but as the sample size reduces, other slip systems have an increasing probability of operating. © 2008 Acta Materialia Inc.en_HK
dc.languageengen_HK
dc.publisherPergamon. The Journal's web site is located at http://www.elsevier.com/locate/scriptamaten_HK
dc.relation.ispartofScripta Materialiaen_HK
dc.subjectCompression testen_HK
dc.subjectDislocationsen_HK
dc.subjectMonte Carlo techniquesen_HK
dc.subjectPlastic deformationen_HK
dc.subjectSchmid's lawen_HK
dc.titleBreakdown of Schmid's law in micropillarsen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=1359-6462&volume=59&spage=796&epage=799&date=2008&atitle=Breakdown+of+Schmid%27s+law+in+micropillarsen_HK
dc.identifier.emailNgan, AHW:hwngan@hkucc.hku.hken_HK
dc.identifier.authorityNgan, AHW=rp00225en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1016/j.scriptamat.2008.06.019en_HK
dc.identifier.scopuseid_2-s2.0-47749146089en_HK
dc.identifier.hkuros154691en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-47749146089&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume59en_HK
dc.identifier.issue7en_HK
dc.identifier.spage796en_HK
dc.identifier.epage799en_HK
dc.identifier.eissn1872-8456-
dc.identifier.isiWOS:000258968300032-
dc.publisher.placeUnited Kingdomen_HK
dc.identifier.scopusauthoridNg, KS=23005417800en_HK
dc.identifier.scopusauthoridNgan, AHW=7006827202en_HK
dc.identifier.citeulike4218366-
dc.identifier.issnl1359-6462-

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