High strain rate compressive characterization of aluminum alloy/fly ash cenosphere composites

Dung D. Luong, Nikhil Gupta, Atef Daoud, Pradeep K. Rohatgi

Research output: Contribution to journalArticle

Abstract

The strain rate dependence of compressive response is determined for aluminum alloy/hollow fly ash cenosphere composites. A4032 alloy is used as the matrix material. Quasi-static and high strain rate compression tests are conducted on the matrix alloy and the composite. A split-Hopkinson pressure bar is used for high strain rate testing. While the matrix alloy does not show any appreciable strain rate sensitivity, the composite shows higher strength at higher strain rates. The energy absorption capability of A4032/fly ash cenosphere composites is found to be higher at higher strain rates.

Original languageEnglish (US)
Pages (from-to)53-56
Number of pages4
JournalJOM
Volume63
Issue number2
DOIs
StatePublished - Feb 2011

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Coal Ash
Fly ash
Strain rate
Aluminum alloys
Composite materials
Energy absorption
Compaction
Testing

ASJC Scopus subject areas

  • Engineering(all)
  • Materials Science(all)

Cite this

High strain rate compressive characterization of aluminum alloy/fly ash cenosphere composites. / Luong, Dung D.; Gupta, Nikhil; Daoud, Atef; Rohatgi, Pradeep K.

In: JOM, Vol. 63, No. 2, 02.2011, p. 53-56.

Research output: Contribution to journalArticle

Luong, Dung D. ; Gupta, Nikhil ; Daoud, Atef ; Rohatgi, Pradeep K. / High strain rate compressive characterization of aluminum alloy/fly ash cenosphere composites. In: JOM. 2011 ; Vol. 63, No. 2. pp. 53-56.
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