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Characterisation of tape-based carbon fibre thermoplastic discontinuous composites for energy absorption
RISE Research Institutes of Sweden. Chalmers University of Technology, Sweden.
RISE Research Institutes of Sweden, Materials and Production, Polymeric Materials and Composites.ORCID iD: 0000-0002-2313-6512
Chalmers University of Technology, Sweden.
RISE Research Institutes of Sweden, Materials and Production.ORCID iD: 0000-0002-2841-7188
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2021 (English)In: Plastics, rubber and composites, ISSN 1465-8011, E-ISSN 1743-2898, Vol. 50, no 7, p. 351-Article in journal (Refereed) Published
Abstract [en]

Tape-based discontinuous composite is a relatively new type of composite material that offers improved mechanical properties for similar process-ability compared to Sheet Moulding Compound or Bulk Moulding Compound. This makes it potentially attractive for the automotive industry. In this paper, a thin-ply carbon fibre reinforced polypropylene-based discontinuous composite is studied. Mechanical tests are performed to obtain the tensile, compression and shear behaviour of the material. The energy absorption via tearing is also studied to assess the suitability of the material for energy absorption applications, such as crash-boxes. The tearing test results show a large degree of plastic deformation and an advancing damage front leading to higher specific energy absorption via tearing compared to conventional composite materials. © 2021 The Author(s). 

Place, publisher, year, edition, pages
Taylor and Francis Ltd. , 2021. Vol. 50, no 7, p. 351-
Keywords [en]
crashworthiness, Discontinuous composites, energy absorption, mechanical properties, polypropylene, tearing, thermoplastics, Graphite fibers, Molding, Polypropylenes, Reinforced plastics, Compression and shear, Crash box, Fibre reinforced, Specific energy absorption
National Category
Composite Science and Engineering
Identifiers
URN: urn:nbn:se:ri:diva-52969DOI: 10.1080/14658011.2021.1902119Scopus ID: 2-s2.0-85103569409OAI: oai:DiVA.org:ri-52969DiVA, id: diva2:1547423
Note

 Funding details: Horizon 2020, 721256; Funding text 1: This work has been performed as part of the ICONIC project under European Union's Horizon 2020 research and innovation programme, grant agreement no. 721256. The authors wish to thank Oxeon AB and Queens University of Belfast for providing the material for manufacturing.

Available from: 2021-04-26 Created: 2021-04-26 Last updated: 2023-06-08Bibliographically approved

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Bru, ThomasWysocki, MaciejCameron, Christopher

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RISE Research Institutes of SwedenPolymeric Materials and CompositesMaterials and Production
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