Fischer Composite Technology GmbH, based near Salzburg, Austria specialises in the development and production of complex carbon fibre composites for use in the automotive, aerospace and sports leisure equipment industries.
In a recent project for Audi AG, Fischer worked closely with Huntsman Advanced Materials using Araldite Resin Transfer Moulding (RTM) and specialist bonding technologies for the production of the carbon side blades on the Audi R8 sports car.
Measuring 900mm x 500mm, the side blade is made from two RTM shells which are later bonded together using Araldite 2015, a two-component epoxy adhesive paste with a highly resilient bond. Sag resistant up to 10mm, Araldite 2015 is particularly suitable for SMC and GRP bonding applications.
During the Araldite RTM process to produce the side blade, some dry pre-formed carbon fibres are put into a mould and injected with epoxy resin. The inner shell is cast with all the fixing devices to mount the side blade on to the car already in place, so no additional auxiliary component bonding or finishing is required.
The outer shell comprises a three-layer CFK/GFK structure. Once mounted, the visible outer side of the side blade is a 6K Twill 2/2 carbon fibre surface, protected from UV sunlight with a clear, glossy lacquer finish.
“Audi AG required a ready-to-install side blade assembly with all fixing and mounting items included,” said Gerhard Kölbl. Sales & Marketing Manager at FCT. “It also had to meet Class A surface finish requirements, including protection against ultra-violet and other effects of the weather.
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Monday, November 1, 2010
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