Journal of Materials Science

, Volume 8, Issue 7, pp 980–992 | Cite as

Extensional and shear compliances of polyethylene terephthalate sheets with orthorhombic symmetry

  • N. H. Ladizesky
  • I. M. Ward


The St Venant relations are applied to obtain the three shear compliances of a polymer sheet with orthorhombic symmetry. The results for one way drawn polyethylene terephthalate sheet taken in conjunction with data for two extensional compliances, suggest that in this material, planar orientation is an important factor in determining the mechanical properties.


Polymer Mechanical Property Polyethylene Terephthalate Polyethylene Terephthalate 
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Copyright information

© Chapman and Hall Ltd. 1973

Authors and Affiliations

  • N. H. Ladizesky
    • 1
  • I. M. Ward
    • 1
  1. 1.Department of PhysicsLeeds UniversityUK

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