Journal of Materials Science

, Volume 13, Issue 7, pp 1521–1537 | Cite as

Evaluation of biaxial stress failure surfaces for a glass fabric reinforced polyester resin under static and fatigue loading

  • M. J. Owen
  • J. R. Griffiths


In an attempt to evaluate failure theories for a glass fabric reinforced polyester resin over 370 tests have been conducted on thin-walled tubes under combined axial loading and internal pressure, both for static and fatigue loading. For plane stress the results are considered in relation to imaginary failure surfaces inσ1,σ2,σ6 space. A limited measure of agreement between theories and results can be obtained after highly subjective selection of data. Only those theories which involve complex stress properties provide a reasonable fit. The behaviour of tubular specimens is strongly influenced by the presence of joints in the reinforcements.


Polymer Fatigue Internal Pressure Axial Loading Plane Stress 
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.



nominal hoop and axial (principal) stresses in a thin-walled tube


normal and shear stresses in the direction of the principal material axes


strengths in the principal material directions and the in-plane shear strength


tensile strengths in the principal material directions


compressive strengths in the principal material directions


a constant evaluated from a combined stress test


normal stress interaction component of a strength tensor


off-axis angle

S-N curve

conventional stress-log life fatigue curve


principal stress ratio,σ y /gs x


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Copyright information

© Chapman and Hall Ltd. 1978

Authors and Affiliations

  • M. J. Owen
    • 1
  • J. R. Griffiths
    • 1
  1. 1.Department of Mechanical EngineeringUniversity of NottinghamUniversity ParkUK

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