Tensile properties of glass microballoon-epoxy resin syntactic foams

Nikhil Gupta, Ruslan Nagorny

Research output: Contribution to journalArticlepeer-review


The effect of hollow glass parade (microballoon) volume fraction in the range of 0.3-0.6 on the tensile properties and fracture mode of syntactic foams is characterized in the present research. Sixteen types of syntactic foams have been fabricated and tested. Four types of glass microballoons, having 220, 320, 380, and 460 kg/m 3 density, are used with epoxy resin matrix for making the syntactic foam samples. These foams contain 30, 40, 50 and 60% microballoons by volume. All types of microballoons have the same size but different wall thickness, which reflects as a difference in their density. It is observed that the tensile strength increases with a decrease in the volume fraction of microballoons. All types of syntactic foams showed 60-80% decrease in the tensile strength compared with that of the neat resin. The foams containing low strength microballoons showed lower tensile modulus compared with that of the neat resin, but the presence of high strength microballoons led to an increase in the tensile modulus of the composites.

Original languageEnglish (US)
Pages (from-to)1254-1261
Number of pages8
JournalJournal of Applied Polymer Science
Issue number2
StatePublished - Oct 15 2006


  • Composites
  • Foams
  • Mechanical properties
  • Microballoon
  • Tension

ASJC Scopus subject areas

  • General Chemistry
  • Surfaces, Coatings and Films
  • Polymers and Plastics
  • Materials Chemistry


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