Wire in Composite

Wire in Composite

Composites

Wire in Composite

Wire in Composite is the integration of the electrical conductors into the composites structure, which allows designers to save weight, reduce size and improve the reliability of electrical wiring installations.

The result of this is reduced inventory and an improved speed of fit on assembly lines, thus reducing in build costs, and due to the protection offered by the composites to the electrical conductors, installation of electrical systems into areas that were previously not considered because of existing design rules and the likelihood of potential failures in service..

Originally conceived for motorsports activities, this technology has very quickly found many applications within the aerospace sector as the benefits are truly game changing.

Wire in Composite (WiC) was first showcased to the public at the 2007 Detroit Motor Show, where it was utilised by Jaguar in the engine bay of their their CX-F concept car. All of the engine’s wiring harness was integrated into a carbon fibre structure which ran the length of the engine, and connected up all devices. The WiC piece created for the CX-F was not a purely visual piece, but was fully functioning, and actually allowed the engine to run.

Since 2007, WiC has been further developed for a range of applications including aerospace engines, aerospace wings, motorsport engines, automotive interior components and military projects.

By utilising either wires or flexible PCBs into the composite parts, the space envelope enquired for packaging an electrical system can be greatly reduced, allowing for higher density connectors to be used, and built in redundancy to be included. The flexible PCB also allows for the screening of the assembly via copper outer layers, further enhancing the EMC performance of the system.

The packaging of wires within composite parts also brings a benefit of being able to run higher than usual currents through a given wire gauge, because of the thermal conductivity away from the wiring as a result of it being cured into the composites.

The integration of the electrical system within composite parts brings an array of benefits to designers which include:

  • Protection of the electrical system from environmental conditions such as dirt, dust, fluids, vibration and mis-handling
  • Being able to place the electrical system in areas previously considered too harsh
  • Improved EMC, for both emissions and susceptibility
  • Modular design allows for parts of an electrical system to be replaced, rather than the whole system, meaning in the field repairs can be carried out far quicker than with traditional wiring
  • Reduced Bill of Materials (BoM) for the customer, as they are purchasing a structural part with the wiring already integrated
  • Reduced time on the line, as the assembly of the wiring has already been completed, and the part can simply be bolted into place

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Technical Centre
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CONTACT

Technical Centre
Owen Road
Diss
Norfolk
IP22 4ER
United Kingdom

View Map >

+44 1379 646 200

Email us >