Response and failure of fiber metal laminates subjected to high strain rate tensile loading

Ankush P. Sharma, Sanan H. Khan, Venkitanarayanan Parameswaran

Research output: Contribution to journalArticlepeer-review

24 Citations (Scopus)

Abstract

The tensile behavior of fiber metal laminates consisting of layers of aluminum 2024-T3 alloy and glass fiber reinforced composites under high strain rate loading is investigated. Fiber metal laminates having four different layups, but all having the same total metal layer thickness, were fabricated using a combined hand lay-up cum vacuum bagging method. The fiber metal laminate specimens were loaded in high strain rate tension using a split Hopkinson tensile bar. The rate-dependent behavior of the glass fiber composite was also obtained as baseline data. The strain on the gage area of the specimen was measured directly using high-speed digital image correlation. Another high-speed camera was used to capture the sequence of damage by viewing the specimen edgewise. The results indicated that the strength of the fiber metal laminates increased at high strain rates primarily due to the rate-dependent behavior of the composite used. The response was also influenced by the distribution of the metallic layers in the fiber metal laminates. The failure in the case where the individual composite layers were separated by metallic layers was more progressive in nature.

Original languageEnglish
Pages (from-to)1489-1506
Number of pages18
JournalJournal of Composite Materials
Volume53
Issue number11
DOIs
Publication statusPublished - May 1 2019

Keywords

  • epoxy
  • Fiber metal laminates
  • glass fiber composite
  • high strain rate
  • impact

ASJC Scopus subject areas

  • Ceramics and Composites
  • Mechanics of Materials
  • Mechanical Engineering
  • Materials Chemistry

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