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The relationship between the dynamic mechanical relaxations and the tensile deformation behaviour of polyethylene

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Abstract

The mechanical relaxation behaviour of high and linear low density polyethylenes has been examined using tensile dynamic mechanical measurements and compared to the deformation behaviour observed in tensile drawing. In this way the relationship between the mechanical relaxations and the tensile deformation has been investigated. It is shown that the brittle-ductile transition relates to the γ-relaxation while the yield behaviour is related to the interlamellar shear process and the c-shear process.

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Authors and Affiliations

  1. IRC in Polymer Science and Technology, The University of Leeds, Leeds, LS2 9JT, UK

    R. G. Matthews & I. M. Ward

  2. BP Chemicals Ltd., P.O. Box 9, Bo′ness Road, Grangemouth, Stirlingshire, FK3 9XH, UK

    G. Capaccio

Authors
  1. R. G. Matthews
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  2. I. M. Ward
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  3. G. Capaccio
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Corresponding author

Correspondence to I. M. Ward.

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Matthews, R.G., Ward, I.M. & Capaccio, G. The relationship between the dynamic mechanical relaxations and the tensile deformation behaviour of polyethylene. Journal of Materials Science 34, 2781–2787 (1999). https://doi.org/10.1023/A:1004610713203

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  • DOI: https://doi.org/10.1023/A:1004610713203

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