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Effect of the manufacturing process on the interlaminar fracture toughness of 2/2 twill weave fabric carbon/epoxy composites

Zhang, Jin and Fox, Bronwyn 2005, Effect of the manufacturing process on the interlaminar fracture toughness of 2/2 twill weave fabric carbon/epoxy composites, Materials forum (CD-ROM), vol. 29, pp. 216-221.

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Title Effect of the manufacturing process on the interlaminar fracture toughness of 2/2 twill weave fabric carbon/epoxy composites
Author(s) Zhang, Jin
Fox, Bronwyn
Journal name Materials forum (CD-ROM)
Volume number 29
Start page 216
End page 221
Publisher Institute of Materials Engineering Australasia Pty Ltd
Place of publication North Melbourne, Vic.
Publication date 2005
ISSN 1447-6738
Keyword(s) composite materials
adhesion
carbon fibers
dynamic mechanical analysis
fracture toughness
Summary A 2/2 twill weave fabric carbon fibre reinforced epoxy matrix composite MTM56/CF0300 was used to investigate the effect of different manufacturing processes on the interlaminar fracture toughness. Double cantilever beam tests were performed on composites manufactured by hot press, autoclave and 'Quickstep' processes. The 'Quickstep' process was recently developed in Perth, Western Australia for the manufacture of advanced composite components. The values of the mode I critical strain energy release rate (G1d were compared and the results showed that the composite specimens manufactured by the autoclave and the 'Quickstep' process had much higher interlaminar fracture toughness than the specimen produced by the hot press. When compared to specimens manufactured by the hot press, the interlaminar fracture toughness values of the Quickstep and autoclave samples were 38% and 49% higher respectively. The 'Quickstep' process produced composite specimens that had comparable interlaminar fracture toughness to autoclave manufactured composites. Scanning electron microscopy (SEM) was employed to study the topography of the mode I interlaminar fracture surface and dynamic mechanical analysis (DMA) was performed to investigate the fibre/matrix interphase. SEM micrography and DMA spectra indicated that autoclave and 'Quickstep' produced composites with stronger fibre/matrix adhesion than hot press.
Language eng
Field of Research 091202 Composite and Hybrid Materials
Socio Economic Objective 870399 Construction Materials Performance and Processes not elsewhere classified
HERDC Research category C1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©Reproduced with the specific permission of the copyright owner.
Persistent URL http://hdl.handle.net/10536/DRO/DU:30002972

Document type: Journal Article
Collections: School of Engineering and Technology
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Created: Mon, 07 Jul 2008, 08:39:40 EST