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On the plastic deformation of fibre self-reinforced polymers

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Abstract

The plastic deformation of semi-crystalline polymers containing needle crystals has been investigated. Stress-strain curves exhibit two linear regions, the elastic (Hookeian) range and a second linear plastic part. The onset of the plastic part depends on pre-straining and the slopeα = dσ/dε of the plastic part is dependent on the morphology of the samples. An interpretation is given in terms of the shear-lag theory of discontinuous uniaxially oriented fibres.

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Petermann, J., Rieck, U. On the plastic deformation of fibre self-reinforced polymers. J Mater Sci 22, 1120–1126 (1987). https://doi.org/10.1007/BF01103559

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Keywords

  • Polymer
  • Plastic Deformation
  • Linear Region
  • Plastic Part
  • Needle Crystal