Mechanical properties of a density-graded replicated aluminum foam

Alan H. Brothers, David C. Dunand*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

106 Scopus citations

Abstract

The compressive mechanical properties of uniform and density-graded Al-6061 foams, produced by replication of polymer foams, are measured. While the uniform foam shows compressive behavior characteristic of conventional (uniform) metallic foams with a near constant plateau stress, the density-graded foam exhibits a smoothly rising plateau stress. This behavior is modeled using a simple series composite model based on semi-empirical scaling relationships for the compressive behavior of uniform foams.

Original languageEnglish (US)
Pages (from-to)439-443
Number of pages5
JournalMaterials Science and Engineering A
Volume489
Issue number1-2
DOIs
StatePublished - Aug 20 2008

Keywords

  • Density gradient
  • Functionally graded materials
  • Liquid infiltration
  • Modeling
  • Radiography

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering

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