Internal Strain Measurement and Impact Response of 3D Woven Carbon Fibre Composites

J Broderick, E Archer, A McMillan, AT McIlhagger

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Extrinsic Fabry Perot Interferometer (EFPI) fibre optic sensors have been utilised to measure the internal matrix strain in a three dimensionally woven carbon fibre reinforced polymer composite. EFPI sensors were embedded at two levels within a four layer 3D woven composite, and comparison surface measurements were provided through resistive strain gauging and biaxial extensometry. A variation in tensile modulus of as much as 24% was found from internal measurement compared with the material surface. Through correlation with micro-graphical analysis, a link between the variations in mechanical performance and localised variations in fibre volume fraction could be established. Furthermore, the impact performance was measured.
Original languageEnglish
Title of host publicationUnknown Host Publication
PublisherEuropean Conference on Composite Materials
Number of pages8
ISBN (Print)978-88-88785-33-2
Publication statusPublished - 24 Jun 2012
EventECCM15 - 15TH EUROPEAN CONFERENCE ON COMPOSITE MATERIALS, - Venice, Italy
Duration: 24 Jun 2012 → …

Conference

ConferenceECCM15 - 15TH EUROPEAN CONFERENCE ON COMPOSITE MATERIALS,
Period24/06/12 → …

Fingerprint Dive into the research topics of 'Internal Strain Measurement and Impact Response of 3D Woven Carbon Fibre Composites'. Together they form a unique fingerprint.

  • Cite this

    Broderick, J., Archer, E., McMillan, A., & McIlhagger, AT. (2012). Internal Strain Measurement and Impact Response of 3D Woven Carbon Fibre Composites. In Unknown Host Publication European Conference on Composite Materials.