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Article: Size effects of micron-scaled metals – the search continues for materials containing real microstructures

TitleSize effects of micron-scaled metals – the search continues for materials containing real microstructures
Authors
Issue Date2017
PublisherCambridge University Press. The Journal's web site is located at https://www.cambridge.org/core/journals/mrs-communications
Citation
MRS Communications, 2017, v. 7 n. 2, p. 131-140 How to Cite?
AbstractRecent observations on strength and deformation of small metals containing microstructures, including dislocation patterns, grain boundaries, and second-phase precipitates are reviewed. These microstructures impose an internal length scale that may interplay with the extrinsic length scale due to the specimen size to affect strength and deformation in an intricate manner. For micro-crystals containing pre-existing dislocations, Taylor work-hardening may dictate the dependence of strength on specimen size. The presence of grain boundaries in a small specimen may lead to effects far from the conventional Hall–Petch behavior. Precipitate–dislocation interactions in a small specimen may lead to an interesting weakest-size behavior.
Descriptioninvited Prospective Article
Persistent Identifierhttp://hdl.handle.net/10722/260472
ISSN
2020 Impact Factor: 2.566
2020 SCImago Journal Rankings: 0.751
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorNgan, AHW-
dc.contributor.authorChen, XX-
dc.contributor.authorLeung, SS-
dc.contributor.authorGu, R-
dc.contributor.authorGan, K-
dc.date.accessioned2018-09-14T08:42:18Z-
dc.date.available2018-09-14T08:42:18Z-
dc.date.issued2017-
dc.identifier.citationMRS Communications, 2017, v. 7 n. 2, p. 131-140-
dc.identifier.issn2159-6859-
dc.identifier.urihttp://hdl.handle.net/10722/260472-
dc.descriptioninvited Prospective Article-
dc.description.abstractRecent observations on strength and deformation of small metals containing microstructures, including dislocation patterns, grain boundaries, and second-phase precipitates are reviewed. These microstructures impose an internal length scale that may interplay with the extrinsic length scale due to the specimen size to affect strength and deformation in an intricate manner. For micro-crystals containing pre-existing dislocations, Taylor work-hardening may dictate the dependence of strength on specimen size. The presence of grain boundaries in a small specimen may lead to effects far from the conventional Hall–Petch behavior. Precipitate–dislocation interactions in a small specimen may lead to an interesting weakest-size behavior.-
dc.languageeng-
dc.publisherCambridge University Press. The Journal's web site is located at https://www.cambridge.org/core/journals/mrs-communications-
dc.relation.ispartofMRS Communications-
dc.rightsMRS Communications. Copyright © Cambridge University Press.-
dc.rightsThis article has been published in a revised form in MRS Communications [http://doi.org/10.1557/mrc.2017.23]. This version is free to view and download for private research and study only. Not for re-distribution, re-sale or use in derivative works. © the authors.-
dc.titleSize effects of micron-scaled metals – the search continues for materials containing real microstructures-
dc.typeArticle-
dc.identifier.emailNgan, AHW: hwngan@hku.hk-
dc.identifier.authorityNgan, AHW=rp00225-
dc.description.naturepostprint-
dc.identifier.doi10.1557/mrc.2017.23-
dc.identifier.scopuseid_2-s2.0-85017412034-
dc.identifier.hkuros289997-
dc.identifier.volume7-
dc.identifier.issue2-
dc.identifier.spage131-
dc.identifier.epage140-
dc.identifier.isiWOS:000404973600005-
dc.publisher.placeUnited States-
dc.identifier.issnl2159-6867-

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