International Applied Mechanics

, Volume 35, Issue 5, pp 462–468 | Cite as

On the failure criteria for unidirectional carbon fibre composite materials under compression

  • P. Berbinau
  • C. Soutis
  • I. A. Guz
Article
First Online:
Received:

Abstract

In studying shear stresses that develop in the matrix as a consequence of microbuckling of fibres in a unidimensional composite it has been shown that the fibre failure criterion based on the tensile stresses on its convex side is not realistic because it gives shear strains in the surrounding matrix which are beyond the ultimate shear strains measured experimentally. In fact, it is shown that fibres fail under local compression on their concave side before failing in local tension, and that such a compression fibre failure crierion is in agreement with experimental data. Furthermore, the present study confirms that the microbuckling half-wavelength is equal to the kink band width for current carbon fibre/epoxy systems.

Keywords

Shear Strain Failure Criterion Fibre Diameter Concave Side Convex Side 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.
This is a preview of subscription content, log in to check access.

Preview

Unable to display preview. Download preview PDF.

Unable to display preview. Download preview PDF.

References

  1. 1.
    S. D. Akbarov Z. R. Dzhamalov E. A. Movsumov, “Effect of geometric non-linearity on stress distribution in composites with curved structures,” Mech. of Compos. Mater., 28, No. 6, 581–586 (1992).CrossRefGoogle Scholar
  2. 2.
    S. D. Akbarov A. D. Guz’ Z. R. Dzhamalov E. A. Movsumov, “Solution of problems involving the stress state of composite materials with curved layers in the geometrically nonlinear statement,” Int. Appl. Mech., 28, No. 6, 343–347 (1992).CrossRefADSGoogle Scholar
  3. 3.
    P. A Berbinau, “Study of Compression Loading of Composite Laminates”, Ph. D. Thesis. Oregon State University, 1997.Google Scholar
  4. 4.
    B. Budiansky, “Micromechanics,” Computers and Structures, 16, No. 1, 3–12 (1983).CrossRefMATHGoogle Scholar
  5. 5.
    I. Chung, Y. A. Weitsman, “Mechanics model for the compressive response of fibre reinforced composites,” Int. J. Solids and Structures, 31, No. 18, 2519–1536 (1994).CrossRefMATHGoogle Scholar
  6. 6.
    A. G. Evans, W. F. Adler, “Kinking as a mode of structural degradation in carbon fibre composites,” Acta Metall, 26, No. 5, 725–738 (1978).CrossRefGoogle Scholar
  7. 7.
    N. A. Fleck, and B. Budiansky, “Compressive failure of fibre composites due to microbuckling,” Proc. of IUTAM Symposium, 235–273 (1990).Google Scholar
  8. 8.
    E. G. Guynn O. O. Ochoa, W. L. Bradley, “A parametric study of variables that affect fibre microbuckling initiation in composite laminates: Part 1. Analyses; Part 2. Experiments,” J. Compos. Mater., 26, No. 11, 1594–1627 (1992).CrossRefADSGoogle Scholar
  9. 9.
    A. N. Guz’ and I. A. Guz’, “Three-dimensional problems of stability theory of laminated compressible composites,” Teor. Prikl. Mekh., 19, 24–32 (1988).Google Scholar
  10. 10.
    I. A. Guz’, “Spatial nonaxisymmetric problems of the theory of stability of laminar highly elastic composite materials,” Soviet Appl. Mech., 25, No. 11, 1080–1085 (1989).CrossRefADSMATHGoogle Scholar
  11. 11.
    I. A. Guz’, “Three-dimensional nonaxisymmetric problems of the theory of stability of composite materials with a metallic matrix,” Soviet Appl. Mech., 25, No. 12, 1196–1201 (1989).CrossRefADSMATHGoogle Scholar
  12. 12.
    I. A. Guz’, “Internal instability of laminated composites with a metal matrix,” Mech. of Compos. Mater., 26, No. 6, 762–767 (1990).MathSciNetCrossRefGoogle Scholar
  13. 13.
    I. A. Guz’, “Study of stability of laminated composites with an aluminum matrix,” Prikl. Mekh., 26, No. 5, 111–114 (1990).MathSciNetGoogle Scholar
  14. 14.
    I. A. Guz’, “Effect of mechanical characteristics of layers on internal instability of composites,” Prikl. Mekh., 27, 110–114 (1991).Google Scholar
  15. 15.
    I. A. Guz’, “Local instability of laminated compressible composites (three-dimensional problem),” Izv. Akad. Nauk SSSR, Mekh. Tverd. Tela, No. 2, 49–56 (1991).Google Scholar
  16. 16.
    I. A. Guz’, “Investigation of the local stability loss in laminar incompressible composite structures,” Mech. of Compos. Mater., 27, No. 1, 23–29 (1990).CrossRefGoogle Scholar
  17. 17.
    J. Haberle, F. A. Matthews, “Micromechanics model for compressive failure of unidirectional fibre-reinforced plastics,” J. Compos. Mater., 28, No. 17, 1618–1639 (1994).CrossRefADSGoogle Scholar
  18. 18.
    H. Hawthorne, E. Teghtsoonian, “Axial compression fracture in carbon fibres,” J. Materi. Sci., 10, No. 1, 41–51 (1975).CrossRefADSGoogle Scholar
  19. 19.
    H. Hahn, “Analysis of kink band formation under compression,” Proc. of ICCM6, 1, pp. 269–277 (1987).Google Scholar
  20. 20.
    H. Hahn, and J. Williams, “Compression failure mechanisms in unidirectional composites,” ASTM STP 893, pp. 115–139 (1986).Google Scholar
  21. 21.
    A. N. Guz’, Ed., “Micromechanics of composite materials: Focus on Ukrainian research,” Appl. Mech. Review, 45, No. 2, 13–101 (1992).Google Scholar
  22. 22.
    P. M. Moran X. H. Liu, C. F. Shih, “Kink band formation and band broadening in fiber composites under compressive loading,” Acta Metall. and Mater., 43, No. 8, 2943–2958 (1995).CrossRefGoogle Scholar
  23. 23.
    B. Rosen, “Mechanics of composite strengthening,” Fibre Composite Materials, ASM Metals Park, Oltio (1965), pp. 37–75.Google Scholar
  24. 24.
    C. Schultheisz, A. Waas, “Compressive failure of composites,” Progress in Aerospace Science, 32 No. 1, 1–78 (1996).CrossRefADSGoogle Scholar
  25. 25.
    M. Sohi, H. Hahn, and J. Williams, “The effect of resin thoughness and modulus on compressive failure modes of quasi-isotropic graphite/epoxy laminates,” ASTM STP 937, pp. 37–60 (1987).Google Scholar
  26. 26.
    C. Soutis, “Compressive strength of unidirectional composites: measurement and predictions,” ASTM STP 1242, 168–176 (1997).Google Scholar
  27. 27.
    C. Soutis, D. Turkmen, “Moisture and temperature effects of the compressive failure of CFRP unidirectional laminates,” J. Compos. Mater., 31, No. 8, 832–848 (1997).CrossRefADSGoogle Scholar
  28. 28.
    S. A. Swanson, “Micro-mechanics model for in-situ compression strength of fibre composite laminates,” Trans. ASME. J. Eng. Mater. and Technol., 114, No. 1, 8–12 (1992).CrossRefGoogle Scholar
  29. 29.
    P. Steif, “A model for kinking in fibre composites. I. Fibre breakage via micro-buckling,” Int. J. Solids and Structures, 26, No. 5-6, 549–561 (1990).CrossRefGoogle Scholar
  30. 30.
    J. S. Tomblin E. J. Barbero, L. A. Godoy, “Imperfection sensitivity of fibre microbuckling in elastic nonlinear polymer-matrix composites,” Int. J. Solids and Structures, 34, No. 13, 1667–1679 (1997).CrossRefMATHGoogle Scholar
  31. 31.
    C. Weaver, J. Williams, “Deformation of a carbon-epoxy composite under hydrostatic pressure,” J. Mater. Sci., 10, 1323–1333 (1975).CrossRefADSGoogle Scholar

Copyright information

© Kluwer Academic / Plenum Publishers 1999

Authors and Affiliations

  • P. Berbinau
    • 1
  • C. Soutis
    • 1
  • I. A. Guz
    • 2
  1. 1.Department of AeronauticsImperial College of Science, Technology, and MedicineLondonUK
  2. 2.S. P. Timoshenko Institute of MechanicsNational Academy of Sciences of UkraineKievUkraine

Personalised recommendations