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Lifetime prediction for interfacial adhesion of Carbon/Cork composites with an accelerated aging test

  • Carbon Letters
  • Abbr : Carbon Lett.
  • 2018, 28(1), pp.9-15
  • Publisher : Korean Carbon Society
  • Research Area : Natural Science > Natural Science General > Other Natural Sciences General

이형식 1 Sangki Chung 1 김형근 1 박병열 1 JongSung Won 2 Seung Goo Lee 2

1국방과학연구소
2충남대학교

Accredited

ABSTRACT

In the aerospace field, Carbon/Cork composites have been used for rocket propulsion systems as a light weight structural component with a high bending stiffness and high thermal insulation properties. For the fabrication of a carbon composite with a heat insulation cork part, the bonding properties between them are very important to determine the service life of the Carbon/Cork composite structure. In this study, the changes in the interfacial adhesion and mechanical properties of Carbon/Cork composites under accelerated aging conditions were investigated. The accelerated aging experiments were performed with different temperatures and humidity conditions. The properties of the aged Carbon/Cork composites were evaluated mainly with the interfacial strength. Finally, the lifetime prediction of the Carbon/Cork composites was performed with the long-term property data under accelerated conditions.

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