Effects of nylon 6,6 nanofibrous mats on thermal properties and delamination behavior of high performance CFRP laminates
Alessi, Sabina and Di Filippo, Maria and Dispenza, Clelia and Focarete, Maria Letizia and Gualandi, Chiara and Palazzetti, Roberto and Pitarresi, Giuseppe and Zucchelli, Andrea (2015) Effects of nylon 6,6 nanofibrous mats on thermal properties and delamination behavior of high performance CFRP laminates. Polymer Composites, 36 (7). pp. 1303-1313. ISSN 0272-8397 (https://doi.org/10.1002/pc.23035)
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Nylon 6,6 electrospun nanofibrous membranes interleaved in “high performance” Carbon Fiber Reinforced Polymer (CFRP) laminates have been proposed as a means to provide a high threshold value to delamination on structural sites where composites are more prone to develop such failure. A model, highly crosslinked, thus inherently brittle, epoxy matrix was selected for its high Young's modulus and glass transition temperature exceeding 250°C. The influence of the Nylon 6,6 nanofibers on the curing behavior of the matrix and on the thermal and dynamic mechanical properties of the cured resin was investigated. These properties were related to the features of the epoxy resin and of the resin impregnated nanofibrous mat. Finally, the delamination behavior of the composite laminates interleaved with Nylon interleaves with different thicknesses was studied through Mode I delamination tests on Double Cantilever Beam (DCB) samples. The results show that the initial Mode I fracture toughness was increased up to about 50% by the presence of the thin mat interleaf.
ORCID iDs
Alessi, Sabina, Di Filippo, Maria, Dispenza, Clelia, Focarete, Maria Letizia, Gualandi, Chiara, Palazzetti, Roberto ORCID: https://orcid.org/0000-0003-3813-4090, Pitarresi, Giuseppe and Zucchelli, Andrea;-
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Item type: Article ID code: 47654 Dates: DateEventJuly 2015Published18 April 2014Published Online1 April 2014AcceptedSubjects: Technology > Engineering (General). Civil engineering (General) > Engineering design Department: Faculty of Engineering > Design, Manufacture and Engineering Management Depositing user: Pure Administrator Date deposited: 28 Apr 2014 08:54 Last modified: 15 Sep 2024 05:31 Related URLs: URI: https://strathprints.strath.ac.uk/id/eprint/47654