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A study on damage effect of vacuum thermocycling on M40J-epoxy composites

  • Gao Yu*
  • , Yang De-Zhuang
  • , He Shi-Yu
  • , Liu Yong
  • , Jiang Sheng-Ling
  • , Li Zhi-Jun
  • *Corresponding author for this work
  • Harbin Institute of Technology
  • Beijing University of Chemical Technology
  • China Electronic Science and Technology Groups Inc.

Research output: Contribution to journalArticlepeer-review

Abstract

Vacuum thermocycling is performed in unidirectional M40J-AG-80 composites, and changes in the bending strength and modulus, the mass loss ratios, the surface morphology, and the internal structure transitions are examined. Results show that the vacuum thermocycling could cause the debonding in the interfacial layers between the AG-80 epoxy matrix and carbon fibers, as well as the post curing in the epoxy matrix. The changes in the bending strength and modulus, the mass loss ratio, and the surface morphology of the M40J-AG-80 composites can be related to the debonding and the post curing due to vacuum thermocycling.

Original languageEnglish
Pages (from-to)1705-1711
Number of pages7
JournalJournal of Reinforced Plastics and Composites
Volume24
Issue number16
DOIs
StatePublished - 2005

Keywords

  • Bending properties
  • Carbon/epoxy composites
  • Debonding effect
  • Loss tangent (tan δ)
  • Vacuum thermocycling

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