Characterization of compressive damage behavior of steel and aluminum

Mohammad R. Allazadeh, Maher K. Itani , Sylvanus N. Wosu

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Abstract

Compressive deformation is imposed on aluminum cast 195-76 and ferritic stainless steel 18-8specimens at high strain rateusing perforation split Hopkinson pressure bar (P-SHPB).The energy levels and the compressive dynamic failure behavior of the materials were investigated at high strain rate deformation between 950 and 5700 s-1. This paper investigates the effects of specimen’s thickness andimpact energy on failure behavior with correlation of P-SHPB and SHPB.The relationship of different damage mode can be followed with the stress-strain relationship, strain rate and energy absorbed by steel and aluminum specimens.
Original languageEnglish
Pages (from-to)17-36
Number of pages20
JournalJournal of Materials Science Research
Volume1
Issue number1
DOIs
Publication statusPublished - 1 Jan 2012

Keywords

  • impact test
  • P-SHPB
  • aluminum
  • high strain rate
  • steel
  • damage mode

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