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Strengthening mechanism of graphene/metal nanolayered composites

  • Beihang University

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

Abstract

In recent years, graphene/metal nanolayered composites have been synthesized with superior mechanical properties. Experiments showed that the strength and hardness of metals can be dramatically enhanced with ultra-low volume fractions of graphene inclusions, but a fundamental understanding of deformation mechanism of the nanolayered composites is lacking. Molecular dynamics simulation was employed to investigate the deformation mechanisms of graphene/metal nanowires with layered structures. The results show that the strengthening mechanism of nanolayered graphene/metal nanowires depends on the necessary stress for dislocation nucleation and also the surface morphologies. Graphene can be used as an effective barrier against dislocation motion in nanolayered composites. The present results are expected to contribute to the design of novel metal matrix nanocomposites enhanced by graphene.

Original languageEnglish
Title of host publicationECCM 2016 - Proceeding of the 17th European Conference on Composite Materials
PublisherEuropean Conference on Composite Materials, ECCM
ISBN (Electronic)9783000533877
StatePublished - 2016
Event17th European Conference on Composite Materials, ECCM 2016 - Munich, Germany
Duration: 26 Jun 2016 → 30 Jun 2016

Publication series

NameECCM 2016 - Proceeding of the 17th European Conference on Composite Materials

Conference

Conference17th European Conference on Composite Materials, ECCM 2016
Country/TerritoryGermany
CityMunich
Period26/06/16 → 30/06/16

Keywords

  • Dislocation
  • Graphene
  • Molecular dynamics
  • Nanolayered composites
  • Toughness

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