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Title: Experimental evaluation of the interphase region in carbon fibre composites with plasma polymerised coatings
Authors: Kettle, A.P. ×
Jones, F.R.
Alexander, M.R.
Short, R.D.
Stollenwerk, M.
Zabold, J.
Michaeli, Walter
Wu, W.
Jacobs, Edgard
Verpoest, Ignace #
Issue Date: 1998
Publisher: Elsevier Science Ltd.
Series Title: Composites A, Applied Science and Manufacturing vol:29A issue:3 pages:241-250
Abstract: A simultaneous improvement of both the fracture toughness and strength of composite materials is very hard to realise. In this study, plasma polymerised HMDSO/O-2 coatings have been deposited onto carbon fibres to provide a distinct interphase and a means of achieving this aim. Utilising a microwave energy source, coatings of various thickness were examined. By carefully controlling the how rate of oxygen into the plasma, the resultant coating modulus could be selected within the range 0.7-2.0 of the resin modulus. Thus, the technique can be used to achieve interfacial interlayers with a range of stiffness. The micromechanics of interfacial failure were evaluated by the fragmentation test. Various fibre pretreatments (with O-2, N-2, Ar) and coating post-treatments (with O-2 and acrylic acid) were also employed. Oxygen plasma pretreatment was found to significantly improve the adhesion of the coating to the fibre. (C) 1998 Elsevier Science Limited. All rights reserved.
ISSN: 1359-835X
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Mechanical Metallurgy Section (-)
Department of Materials Engineering - miscellaneous
× corresponding author
# (joint) last author

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