Investigation of grain refinement in Al/Al2O3/B 4C nano-composite produced by ARB

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dc.citation.epage442en_US
dc.citation.spage438en_US
dc.citation.volumeNumber58en_US
dc.contributor.authorAkbari Beni H.en_US
dc.contributor.authorAlizadeh, M.en_US
dc.contributor.authorGhaffari, M.en_US
dc.contributor.authorAmini, R.en_US
dc.date.accessioned2016-02-08T11:00:58Z
dc.date.available2016-02-08T11:00:58Z
dc.date.issued2014en_US
dc.departmentDepartment of Electrical and Electronics Engineeringen_US
dc.description.abstractIn this study, Al/Al2O3/B4C nano-composites were fabricated via the accumulative roll bonding (ARB) process. The grain refinement of the Al/Al2O3/B4C nano-composite strips during the ARB process was studied. Microstructural characterizations of the fabricated composites after 2, 5, and 9 cycles were performed by transmission electron microscopy (TEM). The results showed that the composite sample, after 9 cycles, was filled with homogenously distributed ultra fine grains with an average grain size of 230 nm. The findings also revealed that the increase in the dislocation density due to the presence of the nano-sized particles resulted in the grain refinement of the specimens. It was also found that the grain refinement is accelerated by the presence of the refinement particles. © 2013 Elsevier Inc. All rights reserved.en_US
dc.description.provenanceMade available in DSpace on 2016-02-08T11:00:58Z (GMT). No. of bitstreams: 1 bilkent-research-paper.pdf: 70227 bytes, checksum: 26e812c6f5156f83f0e77b261a471b5a (MD5) Previous issue date: 2014en
dc.identifier.doi10.1016/j.compositesb.2013.10.037en_US
dc.identifier.issn13598368
dc.identifier.urihttp://hdl.handle.net/11693/26522
dc.language.isoEnglishen_US
dc.relation.isversionofhttp://dx.doi.org/10.1016/j.compositesb.2013.10.037en_US
dc.source.titleComposites Part B: Engineeringen_US
dc.subjectA. Metal-matrix composites (MMCs)en_US
dc.subjectB. Microstructureen_US
dc.subjectD. Electron microscopyen_US
dc.subjectA. Metal-matrix composites (MMCs)en_US
dc.subjectAccumulative roll bonding (ARB) processen_US
dc.subjectAverage grain sizeen_US
dc.subjectComposite samplesen_US
dc.subjectDislocation densitiesen_US
dc.subjectMicro-structural characterizationen_US
dc.subjectNano-sized particlesen_US
dc.subjectUltra fine grainen_US
dc.subjectGrain refinementen_US
dc.subjectMetallic matrix compositesen_US
dc.subjectNanocompositesen_US
dc.subjectParticle sizeen_US
dc.subjectRoll bondingen_US
dc.subjectTransmission electron microscopyen_US
dc.subjectGrain size and shapeen_US
dc.titleInvestigation of grain refinement in Al/Al2O3/B 4C nano-composite produced by ARBen_US
dc.typeArticleen_US

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