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Carbon nanotube treated carbon fibre preforms for improved properties of aeronautical grade composites
Swerea SICOMP AB.
Luleå tekniska universitet, Institutionen för teknikvetenskap och matematik, Materialvetenskap.ORCID-id: 0000-0002-5210-4341
Volvo Aero Corporation.
2012 (engelsk)Inngår i: Proceedings of the 15th European Conference on Composite Materials / [ed] Marino Quaresimin; Laszlo Kollar; Leif Asp, Padova: University of Padova , 2012Konferansepaper, Publicerat paper (Fagfellevurdert)
Abstract [en]

The current paper reports work on development of enhanced carbon fibre composites manufactured by resin transfer moulding (RTM). In particular, the possibility to obtain a toughened composite through deposition of carbon nanotubes (CNT) on the fibres is investigated. The hypothesis is that deposition of CNT on the fibre surface has two major advantages: a) filtering problems during manufacturing are eliminated and b) CNT can contribute to a local toughening in the vicinity of fibres, where stress concentrations often are high. Unidirectional and multi-axial composites, with and without CNT-modification, were manufactured using conventional RTM-technique and HexFlow®RTM6 epoxy resin. The composites were characterized by means of mechanical testing (interlaminar shear strength, ILSS) and microscopy. Significant improvements by 13 to37 % in ILSS values were achieved with the addition of CNT. Stiffness degradation tests were also performed. The results from these tests were not completely conclusive. Some treatments promoted stiffness degradation whereas others had no apparent effect.

sted, utgiver, år, opplag, sider
Padova: University of Padova , 2012.
HSV kategori
Forskningsprogram
Polymera konstruktionsmaterial
Identifikatorer
URN: urn:nbn:se:ltu:diva-29487Lokal ID: 2fdfae56-6c5a-494b-bc47-fbfc6caa6006ISBN: 9788888785332 (digital)OAI: oai:DiVA.org:ltu-29487DiVA, id: diva2:1002711
Konferanse
European Conference on Composite Materials : 24/06/2012 - 28/06/2012
Merknad
Godkänd; 2012; 20120918 (joffe)Tilgjengelig fra: 2016-09-30 Laget: 2016-09-30 Sist oppdatert: 2018-01-16bibliografisk kontrollert

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