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The determination of the extensional compliance perpendicular to the plane of sheet for thin polyethylene terephthalate sheets

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Abstract

The extensional compliance normal to the plane of the sheet has been determined for one-way drawn polyethylene terephthalate (PET) sheet. The method was to measure the compressional strain of narrow strips under load in a compressional creep apparatus. It was established that the strips were fully constrained by friction, and a theoretical analysis in support of this is presented. The values for the compliance constant are discussed with regard to the other compliance constants of the PET sheet and are also compared with previous data for PET fibres.

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References

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Author notes

  1. I. Wilson

    Present address: Toll Bar Comprehensive School, Grimsby, UK

  2. A. Cunningham

    Present address: I.C.I. Corporate Laboratory, Runcorn, UK

Authors and Affiliations

  1. Department of Physics, University of Leeds, Leeds, UK

    I. Wilson, A. Cunningham, R. A. Duckett & I. M. Ward

Authors
  1. I. Wilson
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  2. A. Cunningham
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  3. R. A. Duckett
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  4. I. M. Ward
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Wilson, I., Cunningham, A., Duckett, R.A. et al. The determination of the extensional compliance perpendicular to the plane of sheet for thin polyethylene terephthalate sheets. J Mater Sci 11, 2189–2197 (1976). https://doi.org/10.1007/BF00752082

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  • DOI: https://doi.org/10.1007/BF00752082

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