Impact behaviour of nylon-rubber blends: 6. Influence of structure on voiding processes; toughening mechanism

R.J.M. Borggreve, R.J. Gaymans, H.M. Eichenwald

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Dilatometry tests were performed on nylon-rubber blends with various rubber concentrations, particle sizes and types of impact modifier. Whereas rubber concentration and particle size do not affect the onset of voiding in the blends during a tensile test, the type of elastomer used has a considerable effect. A correlation exists between the stress at which the rubber particles cavitate (or detach from the matrix) in the tensile test and the impact behaviour of the blend. A toughening mechanism is proposed in which the cavitation stress of the rubber and the interparticle spacing play crucial roles.
Original languageUndefined
Pages (from-to)78-83
Issue number1
Publication statusPublished - 1989


  • toughening mechanism
  • Nylon-rubber blend
  • voiding
  • shear yielding
  • impact toughness
  • dilatometry
  • IR-70487

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