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Fatigue of Crossply Carbon Fiber Composites at Cryogenic Temperatures

  • R. Hübner
  • G. Hartwig
Part of the Advances in Cryogenic Engineering Materials book series (ACRE, volume 42)

Abstract

This paper describes the static and the fatigue properties of crossply carbon fiber composites under tensile and torsional threshold loading at 77 K. Composites with thermoplastic and duroplastic matrices have been tested. In most S-N diagrams there are ranges which are matrix- or fiber-dominated. The fatigue endurance limit for most carbon fiber composites is matrix dominated. Damage accumulation is analyzed by modulus degradation and observation of cracks.

Keywords

Epoxy Matrix Static Strength Crack Density Transverse Crack Fatigue Cycling 
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References

  1. 1.
    G. Hartwig and K. Pannkoke, Fatigue behavior of UD-carbon-fiber composites at cryogenic temperatures, in: “Advances in Cryogenic Engineering Materials”, Vol 38, (1992), p.453Google Scholar
  2. 2.
    K. Pannkoke, Static and fatigue properties of UD-carbon-fiber composites at 77 K, in: “Advances in Cryogenic Engineering Materials”, Vol 40, (1994), p.1025Google Scholar
  3. 3.
    G. Hartwig and R. Hübner, Thermal and fatigue cycling on fiber composites, Cryogenics 35:727 (1995)CrossRefGoogle Scholar
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    N. Laws, G. J. Dvorak, Progressive transverse cracking in composite laminates, J. of Comp. Mat. 22:900 (1988)CrossRefGoogle Scholar
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    R. P. Reed, M. Golda, Cryogenic properties of unidirectional composites, Cryogenics 34:909 (1994)CrossRefGoogle Scholar

Copyright information

© Springer Science+Business Media New York 1996

Authors and Affiliations

  • R. Hübner
    • 1
  • G. Hartwig
    • 1
  1. 1.Institute for Material ResearchForschungszentrum KarlsruheKarlsruheGermany

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