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NS-EN ISO 527-4:2023

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Abstract

This document specifies the test conditions for the determination of the tensile properties of isotropic and orthotropic fibre-reinforced plastic composites, based upon the general principles given in ISO 527-1.NOTE 1   Unidirectional reinforced materials are covered by ISO 527-5.The methods are used to investigate the tensile behaviour of the test specimens and for determining the tensile strength, tensile modulus, Poisson's ratios and other aspects of the tensile stress-strain relationship under the defined conditions.The test method is suitable for use with the following materials:—    fibre-reinforced thermosetting and thermoplastic composites incorporating non-unidirectional reinforcements such as mats, woven fabrics, woven rovings, chopped strands, combinations of such reinforcements, hybrids, rovings, short or milled fibres or preimpregnated materials (prepregs);NOTE 2   Injection moulded specimens are covered by ISO 527-2.—    combinations of the above with unidirectional reinforcements and multidirectional reinforced materials constructed from unidirectional layers, provided such laminates are symmetrical;NOTE 3   Materials with completely or mainly unidirectional reinforcements are covered by ISO 527-5.—    finished products made from materials mentioned above.The reinforcement fibres covered include glass fibres, carbon fibres, aramid fibres and other similar fibres.

Document information

  • Standard from SN
  • Published:
  • Edition: 2023-04
  • Version: 1
  • Document type: NAT
  • ICS 83.120
  • National Committee SN/K 609

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