Comparison of tensile and compressive characteristics of vinyl ester/glass microballoon syntactic foams

Research output: Contribution to journalArticle

Abstract

The present study is focused on the synthesis and characterization of vinyl ester/glass microballoon syntactic foams. Tensile and compressive properties of vinyl ester matrix syntactic foams are characterized. Results show that the compressive strength and moduli of several syntactic foam compositions are comparable to those of the neat matrix resin. Due to the lower density of syntactic foams, the specific compressive properties of all compositions are higher than those of the neat resin. Similar trends are observed in the tensile properties. Mechanical properties of vinyl ester matrix syntactic foams are compared to well-documented mechanical properties of epoxy matrix systems. The comparison shows that low cost vinyl ester resins, which are extensively used in marine applications, can result in syntactic foams with comparable performance to epoxy matrix systems. In addition, tensile modulus is found to be 15-30% higher than the compressive modulus for all syntactic foam compositions. This difference is related to the possibility of particle fracture in the stress range where modulus is calculated in the compressive stress-strain curves.

Original languageEnglish (US)
Pages (from-to)236-245
Number of pages10
JournalComposites Part B: Engineering
Volume41
Issue number3
DOIs
StatePublished - Apr 2010

Fingerprint

Syntactics
Foams
Esters
Glass
Resins
Chemical analysis
Marine applications
Mechanical properties
Stress-strain curves
Compressive stress
Tensile properties
Compressive strength
Elastic moduli
Costs

Keywords

  • A. Foams
  • A. Polymer matrix composites
  • B. Mechanical properties
  • B. Porosity
  • Vinyl ester

ASJC Scopus subject areas

  • Ceramics and Composites
  • Mechanics of Materials
  • Industrial and Manufacturing Engineering
  • Mechanical Engineering

Cite this

Comparison of tensile and compressive characteristics of vinyl ester/glass microballoon syntactic foams. / Gupta, Nikhil; Ye, Raymond; Porfiri, Maurizio.

In: Composites Part B: Engineering, Vol. 41, No. 3, 04.2010, p. 236-245.

Research output: Contribution to journalArticle

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