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Article: Indentation strain burst phenomenon induced by grain boundaries in niobium

TitleIndentation strain burst phenomenon induced by grain boundaries in niobium
Authors
Wang, MGNgan, AHW
KeywordsEngineering
Engineering mechanics and materials physics
Issue Date2004
PublisherMaterials Research Society. The Journal's web site is located at http://www.mrs.org/publications/jmr
Citation
Journal of Materials Research, 2004, v. 19 n. 8, p. 2478-2486 How to Cite?
DOI: http://dx.doi.org/10.1557/JMR.2004.0316
AbstractUsing depth-sensing indentation, a pop-in phenomenon induced by grain boundaries, namely, a sudden indenter displacement jump when indented near a grain boundary segment, was observed in polycrystalline niobium. This grain-boundary type of pop-in occurs at a larger force than the initial elasto-plastic pop-in, which is observed with and without a grain boundary nearby. The experimental results show that this pop-in effect has a close relationship with the misorientation across the grain boundary. The occurrence of this pop-in phenomenon is rationalized in terms of slip transmission across the grain boundary. © 2004 Materials Research Society.
Persistent Identifierhttp://hdl.handle.net/10722/43068
ISSN
0884-2914
2023 Impact Factor: 2.7
2023 SCImago Journal Rankings: 0.569
ISI Accession Number ID
WOS:000223068100037
References
References in Scopus

 

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dc.contributor.authorWang, MGen_HK
dc.contributor.authorNgan, AHWen_HK
dc.date.accessioned2007-03-23T04:38:03Z-
dc.date.available2007-03-23T04:38:03Z-
dc.date.issued2004en_HK
dc.identifier.citationJournal of Materials Research, 2004, v. 19 n. 8, p. 2478-2486en_HK
dc.identifier.issn0884-2914en_HK
dc.identifier.urihttp://hdl.handle.net/10722/43068-
dc.description.abstractUsing depth-sensing indentation, a pop-in phenomenon induced by grain boundaries, namely, a sudden indenter displacement jump when indented near a grain boundary segment, was observed in polycrystalline niobium. This grain-boundary type of pop-in occurs at a larger force than the initial elasto-plastic pop-in, which is observed with and without a grain boundary nearby. The experimental results show that this pop-in effect has a close relationship with the misorientation across the grain boundary. The occurrence of this pop-in phenomenon is rationalized in terms of slip transmission across the grain boundary. © 2004 Materials Research Society.en_HK
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dc.languageengen_HK
dc.publisherMaterials Research Society. The Journal's web site is located at http://www.mrs.org/publications/jmren_HK
dc.relation.ispartofJournal of Materials Researchen_HK
dc.rightsJournal of Materials Research. Copyright © Materials Research Society.en_HK
dc.subjectEngineeringen_HK
dc.subjectEngineering mechanics and materials physicsen_HK
dc.titleIndentation strain burst phenomenon induced by grain boundaries in niobiumen_HK
dc.typeArticleen_HK
dc.identifier.emailNgan, AHW:hwngan@hkucc.hku.hken_HK
dc.identifier.authorityNgan, AHW=rp00225en_HK
dc.description.naturepublished_or_final_versionen_HK
dc.identifier.doi10.1557/JMR.2004.0316en_HK
dc.identifier.scopuseid_2-s2.0-4644306166en_HK
dc.identifier.hkuros97622-
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-4644306166&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume19en_HK
dc.identifier.issue8en_HK
dc.identifier.spage2478en_HK
dc.identifier.epage2486en_HK
dc.identifier.isiWOS:000223068100037-
dc.publisher.placeUnited Statesen_HK
dc.identifier.scopusauthoridWang, MG=8547632200en_HK
dc.identifier.scopusauthoridNgan, AHW=7006827202en_HK
dc.identifier.issnl0884-1616-

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