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Investigating the Physico-Mechanical Properties of Elastomers Based on EPDM/Kevlar/Silica: Effect of Cork Filler and Curing Condition

  • Tohid Farajpour
  • Mohamad Javad Babaei-VelinEmail author
  • Hadi Rezaei-Vahidian
  • Ghodratoallah Mohammadzamani
  • Saeed Moradi
Conference paper
  • 44 Downloads

Abstract

Fiber filled ethylene propylene diene (EPDM) elastomers are widely used as internal insulator in aerospace industries. Kevlar fibers, silica and flame retardants are used in most heat insulators. In this study, in order to prepare lightweight EPDM based composites, the effect of adding Cork into EPDM compound was investigated. The results showed that the addition of Cork into EPDM compounds reduced the density and elasticity of cured elastomer. On the other hand, Cork content and curing condition (time and temperature) affected the tensile strength and elongation at break. Therefore, through investigating the effect of different proportions of the Cork in the compound, it became clear that the compound filled with 15 phr Cork had optimum physical and mechanical properties. Tensile and density test results showed that the density, tensile strength and elongation of mentioned sample were 1.1951 g/cm3, 6.3 MPa and 272%, respectively.

Keywords

EPDM Cork Mechanical properties 

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Copyright information

© Springer Nature Switzerland AG 2020

Authors and Affiliations

  • Tohid Farajpour
    • 1
  • Mohamad Javad Babaei-Velin
    • 1
    Email author
  • Hadi Rezaei-Vahidian
    • 1
  • Ghodratoallah Mohammadzamani
    • 1
  • Saeed Moradi
    • 1
  1. 1.Space Transportation Research Institute, Iranian Space Research CenterTehranIran

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