Cryogenic delamination growth in woven glass/epoxy composite laminates under mixed-mode I/II fatigue loading

Yasuhide Shindo, Masaya Miura, Tomo Takeda, Nozomi Saito, Fumio Narita

Research output: Contribution to journalArticlepeer-review

26 Citations (Scopus)

Abstract

This paper investigates the fatigue delamination growth behavior in woven glass fiber reinforced polymer (GFRP) composite laminates under mixed-mode I/II conditions at cryogenic temperatures. Fatigue delamination tests were performed with the mixed-mode bending (MMB) test apparatus at room temperature, liquid nitrogen temperature (77. K) and liquid helium temperature (4. K), in order to obtain the delamination growth rate as a function of the range of the energy release rate, and the dependence of the delamination growth behavior on the temperature and the mixed-mode ratio of mode I and mode II was examined. The energy release rate was evaluated using three-dimensional finite element analysis. The fractographic examinations by scanning electron microscopy (SEM) were also carried out to assess the mixed-mode fatigue delamination growth mechanisms in the woven GFRP laminates at cryogenic temperatures.

Original languageEnglish
Pages (from-to)647-652
Number of pages6
JournalComposites Science and Technology
Volume71
Issue number5
DOIs
Publication statusPublished - 2011 Mar 22

Keywords

  • A. Polymer-matrix composites (PMCs)
  • B. Delamination
  • B. Fatigue
  • C. Finite element analysis (FEA)
  • D. Fractography

ASJC Scopus subject areas

  • Ceramics and Composites
  • Engineering(all)

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