Enhanced microhardness of nanocrystalline carbon nanotube-reinforced Cu composite using planar shock-wave compaction

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dc.contributor.authorKim, HNko
dc.contributor.authorChang, SNko
dc.contributor.authorKim, Do Kyungko
dc.contributor.authorChang, SNko
dc.date.accessioned2010-11-22T05:27:42Z-
dc.date.available2010-11-22T05:27:42Z-
dc.date.created2012-02-06-
dc.date.created2012-02-06-
dc.date.issued2009-11-
dc.identifier.citationSCRIPTA MATERIALIA, v.61, pp.871 - 874-
dc.identifier.issn1359-6462-
dc.identifier.urihttp://hdl.handle.net/10203/20227-
dc.description.abstractPlanar shock-wave compaction (SWC), at a peak pressure of similar to 15 GPa, was used to fabricate 90% dense carbon nanotube-reinforced-Cu composite (SWC-CNT/Cu). Transmission electron microscopy analysis of SWC-CNT/Cu revealed retention of nanoscale size Cu grains, and the presence of shear bands and homogeneous dispersion of CNTs in the Cu matrix. These findings explain the significantly enhanced hardness observed. A Vickers hardness and nanoindentation test for SWC-CNT/Cu indicated enhanced microhardness of 1190 and 1794 MPa, respectively, proving the efficiency of the SWC technique. (C) 2009 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.-
dc.description.sponsorshipThis work was financially supported by Defense Acquisition Program Administration and Agency for Defense Development under the contract UD060006AD and the Korea Research Foundation Grant funded by the Korean Government (MOEHRD) (KRF-2005-005- J09701).en
dc.languageEnglish-
dc.language.isoen_USen
dc.publisherPERGAMON-ELSEVIER SCIENCE LTD-
dc.subjectDUCTILE POROUS MATERIALS-
dc.subjectDYNAMIC COMPACTION-
dc.subjectPOWDERS-
dc.titleEnhanced microhardness of nanocrystalline carbon nanotube-reinforced Cu composite using planar shock-wave compaction-
dc.typeArticle-
dc.identifier.wosid000270343100006-
dc.identifier.scopusid2-s2.0-69249236967-
dc.type.rimsART-
dc.citation.volume61-
dc.citation.beginningpage871-
dc.citation.endingpage874-
dc.citation.publicationnameSCRIPTA MATERIALIA-
dc.identifier.doi10.1016/j.scriptamat.2009.07.017-
dc.embargo.liftdate9999-12-31-
dc.embargo.terms9999-12-31-
dc.contributor.localauthorKim, Do Kyung-
dc.contributor.nonIdAuthorChang, SN-
dc.contributor.nonIdAuthorChang, SN-
dc.type.journalArticleArticle-
dc.subject.keywordAuthorCopper-
dc.subject.keywordAuthorMechanical properties-
dc.subject.keywordAuthorCarbon nanotube-reinforced composite-
dc.subject.keywordAuthorShock-wave compaction-
dc.subject.keywordAuthorMicrohardness-
dc.subject.keywordPlusDUCTILE POROUS MATERIALS-
dc.subject.keywordPlusDYNAMIC COMPACTION-
dc.subject.keywordPlusPOWDERS-
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