Compressive behavior of thick carbon fiber/epoxy composites in a submarine environment

두께가 두꺼운 카본화이버/에폭시 적층복합재의 해저환경에서의 압축특성

  • LEE JI-HOON (Kyung Hee University, Department of Mechanical & Industrial System Engineering) ;
  • RHEE KYONG-YOP (Kyung Hee University, Department of Mechanical & Industrial System Engineering) ;
  • KIM HYEON-JU (Ocean Development System Laboratory, KORDI) ;
  • JUNG DONG-HO (Ocean Development System Laboratory, KORDI)
  • Published : 2004.11.01

Abstract

The compressive characteristics of thick carbon/epoxy composite in a submarine environment was investigated in this study. The specimens made of thick carbon fiber/epoxy composite that were immersed into seawater Jar thirteen months. the seawater content at saturation was about $1.2\%$ of the specimen weight. Compressive tests have been performed in different hydrostatic pressures of 0.1 MPa, 100 MPa, 200 MPa, and 270 MPa. The results showed that the compressive elastic modulus increased about $12.3\%$ as the hydrostatic pressure increased from 0.1 MPa to 200 MPa. The results also showed that compressive fracture strength increased $28\%$ and compressive fracture strain increased $8.5\%$ as the hydrostatic pressure increased from 0.1 MPa to 270 MPa.

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