Impact testing of cellular materials with field measurement - A review

  • J. G. Liu
  • , F. Y. Lu
  • , D. N. Fang
  • , H. Zhao*
  • *Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

This paper reviews impact testing technics using Split Hopkinson Pressure Bar setup. Experimental aspects such as the use of large diameter soft Nylon Hopkinson/Kolsky bar for an enhanced measuring accuracy and the field measurement technics with high speed camera and digital image analysis are discussed in details. Nominal testing results on various cellular structures (hollow sphere agglomerates, foams and honeycombs) are presented. Field measurement application to the determination of shock front speed in foams and the extraction of deforming profiles of beams in lattice structures under impact loading were also presented.

Original languageEnglish
Pages (from-to)401-416
Number of pages16
JournalInternational Journal of Protective Structures
Volume2
Issue number4
DOIs
Publication statusPublished - Dec 2011
Externally publishedYes

Keywords

  • Foam
  • Honeycomb
  • Image analysis
  • Impact testing
  • Lattice
  • SHPB

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