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The dynamic mechanical response of SiC particulate reinforced 2024 aluminum matrix composites

  • Z. H. Tan*
  • , B. J. Pang
  • , B. Z. Gai
  • , G. H. Wu
  • , B. Jia
  • *Corresponding author for this work
  • Harbin Institute of Technology
  • Harbin Institute of Technology

Research output: Contribution to journalArticlepeer-review

Abstract

The compression properties of the aluminum alloy 2024 metal matrix composites reinforced with 50 vol.% SiC particles were investigated using Instron testing machine and split Hopkinson pressure bar (SHPB) in this paper. The compression stress-strain curves were obtained at the strain rates ranging from 1 × 10- 3 to 2.5 × 103/s. The fracture surfaces were characterized by scanning electron microscopy. The results showed that SiCp/2024 Al composites exhibited high strain-rate sensitivity. The strength of composites tended to increase-decrease with increasing of strain rates. The effect of the strain rate on elongation was also discussed.

Original languageEnglish
Pages (from-to)4606-4609
Number of pages4
JournalMaterials Letters
Volume61
Issue number23-24
DOIs
StatePublished - Sep 2007

Keywords

  • Composite materials
  • Deformation and fracture
  • High strain rate
  • Mechanical properties
  • SiC

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