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Mechanical behavior and failure mechanism of 2.5D (shallow bend-joint, deep straight-joint) and 3D orthogonal UHWMPE fiber/epoxy composites by vacuum-assistant-resin-infused

  • Xiaolin Zhao*
  • , Jianhua Du
  • , Hongwei Yang
  • , Chengchang Jia
  • , Heng Gao
  • , Dafeng Wang
  • , Yingying Lü
  • *Corresponding author for this work
  • University of Science and Technology Beijing
  • Academy of Armored Force Engineering China
  • Nanjing Artillery Academy

Research output: Contribution to journalArticlepeer-review

Abstract

Ultra-high molecular weight polyethylene (UHMWPE) fiber/epoxy composites were fabricated by a vacuum assisted resin infused (VARI) processing technology. The curing condition of composites was at a cure temperature of 80 °C for 3h in a drying oven. The characteristics of 2.5D (shallow bend-joint and deep straight-joint) structure and 3D orthogonal structure were compared. The failure behavior, flexural strength, and microstructures of both composites were investigated. It was found that the flexural property was closely related to undulation angle θ. The flexural strength of 3D orthogonal structure composite was superior to the other two structures composites with the same weave parameters and resin.

Original languageEnglish
Pages (from-to)1240-1244
Number of pages5
JournalJournal Wuhan University of Technology, Materials Science Edition
Volume31
Issue number6
DOIs
Publication statusPublished - 1 Dec 2016
Externally publishedYes

Keywords

  • 2.5D deep straight-joint
  • 2.5D shallow bend-joint
  • 3D orthogonal
  • flexural property

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