Thermoelastic analysis of cracked woven GFRP laminates at cryogenic temperatures

Tomo Takeda, Yasuhide Shindo, Fumio Narita, Susumu Kumagai

Research output: Contribution to journalArticlepeer-review

8 Citations (Scopus)

Abstract

We deal with the thermal-mechanical response of multi-layered G-11 woven glass/epoxy laminates with cracks and temperature-dependent properties under tension at liquid helium temperature (4 K). The composite material is assumed to be in generalized plane strain. Cracks are located in the fill fiber bundles and are assumed to span the width of the fill fiber bundles. Finite element model is used to study the influence of residual thermal stresses on the mechanical behavior of multi-layered woven laminates with cracks. Numerical calculations are carried out, and the Young's modulus and stress distributions near the crack tip are shown graphically.

Original languageEnglish
Pages (from-to)451-462
Number of pages12
JournalCryogenics
Volume42
Issue number8
DOIs
Publication statusPublished - 2002 Aug 1

Keywords

  • Composites
  • Mechanical properties
  • Structural supports
  • Superconducting magnets

ASJC Scopus subject areas

  • Materials Science(all)
  • Physics and Astronomy(all)

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