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Journal of Materials Science

, Volume 44, Issue 6, pp 1520–1527 | Cite as

Thermoanalytical characterization of epoxy matrix-glass microballoon syntactic foams

  • Tien Chih Lin
  • Nikhil GuptaEmail author
  • Anton Talalayev
Syntactic and Composite Foams

Abstract

Syntactic foams are finding new applications where their thermal stability and high temperature response are important. Therefore, the high temperature response of these advanced composites needs to be characterized and correlated with various material parameters. The present study is aimed at evaluating the effect of microballoon (hollow particle) volume fraction (Φ) and wall thickness (w) on thermoanalytical characteristics of epoxy matrix syntactic foams containing glass microballoons. These composites are characterized to determine the glass transition temperature (Tg), the weight loss, and the char yield. It is observed that Tg decreases and the char yield increases due to the presence of microballoons in the resin. The Tg is increased with an increase in Φ but is not significantly affected by w. The thermal stability is increased by increasing w and is relatively less sensitive to Φ. Understanding the relations between thermal properties of syntactic foams, the microballoon wall thickness, and microballoon volume fraction will help in developing syntactic foams optimized for mechanical as well as thermal characteristics. Due to the increased interest in functionally graded syntactic foams containing a gradient in microballoon volume fraction or wall thickness, the results of the present study are helpful in better tailoring these materials for given applications.

Keywords

Differential Scanning Calorimetry Wall Thickness Glass Transition Temperature Char Yield Matrix Resin 

Notes

Acknowledgements

The research work is supported by the National Science Foundation grant CMMI-0726723. The authors wish to express gratitude to the 3M Corporation for supplying microballoons and technical information related to them. Authors thank Momchil Dimchev for help in specimen fabrication. Support of Othmer Institute of Interdisciplinary Studies to the undergraduate students is acknowledged.

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Copyright information

© Springer Science+Business Media, LLC 2008

Authors and Affiliations

  • Tien Chih Lin
    • 1
  • Nikhil Gupta
    • 1
    • 2
    Email author
  • Anton Talalayev
    • 1
  1. 1.Composite Materials and Mechanics Laboratory, Mechanical and Aerospace Engineering DepartmentPolytechnic Institute of New York UniversityBrooklynUSA
  2. 2.Thermal Analysis Laboratory, Polymer Research InstitutePolytechnic Institute of New York UniversityBrooklynUSA

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