Stiff monolithic aerogel matrices for structural fibre composites

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Title: Stiff monolithic aerogel matrices for structural fibre composites
Authors: Qian, H
Nguyen, S
Anthony, DB
Singh, A
Xu, S
Greenhalgh, E
Bismarck, A
Shaffer, M
Item Type: Conference Paper
Abstract: Resorcinol-formaldehyde based aerogel precursors were infused into structural carbon fibre weaves, then gelled and carbonised to generate a continuous monolithic matrix network. This hierarchical carbon preform was subsequently infused with polymeric resins, both multifunctional and structural, to produce dense composites. The resulting hierarchical composites have a nanoscale reinforcement in the matrix at up to an order of magnitude higher loadings than typically available by other techniques. Compression, tension, ±45° shear and short beam tests demonstrate the potential of such matrix systems to address matrix dominated failures. However, for the best structural performance it will be necessary to re-optimise the fibre-matrix interface, which is degraded by the current processing regime.
Issue Date: 24-Jul-2015
Date of Acceptance: 19-Jul-2015
Copyright Statement: © The Authors.
Sponsor/Funder: Commission of the European Communities
Engineering & Physical Science Research Council (E
Funder's Grant Number: FP7 - 234236
Conference Name: 20th International Conference on Composite Materials
Publication Status: Published
Start Date: 2015-07-19
Finish Date: 2015-07-24
Conference Place: Copenhagen
Appears in Collections:Faculty of Engineering
Chemical Engineering
Faculty of Natural Sciences

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