Tests for obtaining and investigating prestressed plastics

  • Porejko S
  • Krzemiński J
  • Adamiec L
 et al. 
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Tensile strength tests have been carried out on composites consisting of an epoxy matrix with pretensioned filaments of several different materials. The results are compared with the non-reinforced matrix material and, with the exception of steel wire reinforcement, favourable results are obtained for the composites. A theoretical analysis which assumes linear elasticity gives good agreement with experimental results, but this agreement is improved by compensating for pre-load relaxation and resin contraction during the cure. © 1984.

Author-supplied keywords

  • epoxy resin
  • glass cord
  • initial fibre preload
  • polyamide filaments
  • pre-stressed plastics
  • reinforced plastics

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  • Stanislaw Porejko

  • Jerzy Krzemiński

  • Leon Adamiec

  • Ewa Berent-Zakrzewska

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