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Hexcel states it will be promoting its latest innovations developed for aerospace and industrial markets at JEC Europe 2014.
The company explains that it will be adding to its range of IM and AS fibres by launching a new High Modulus carbon fibre, HexTow HM6. It will display a ThermoSet Carbon (TSC) cable for yacht rigging manufactured by Future Fibres, using HexTow HM63 high modulus carbon fibre for low weight, high break strength and resistance to impact.
Furthermore, the company states it is launching HexPly M92, a prepreg that, according to Hexcel, combines all the major benefits achieved individually with other 125°C curing epoxy resins in one new “multi-purpose” system. It will display a Helicopter Rotor Hub Cap Fairing manufactured by Airbus Helicopters. This oven-cured part is a honeycomb sandwich structure in which the prepreg is bonded directly to the non-metallic core, without any additional adhesive.
Hexcel states that visitors to its stand at JEC can see what the company claim is the thickest carbon prepreg laminate ever made. The lay-up of 695 plies of HexPly M79 600 gsm carbon UD tape with Hexcel’s grid technology is 400mm thick – and it cured in six hours at 80°C. The company says the very low exotherm of HexPly M79 allowed the temperature to be increased more quickly in the mould, resulting in a shorter cure cycle.
HiTape, Hexcel continues, is an advanced dry carbon fibre reinforcement which it claims combines the benefits of automated processing with the cost-effectiveness of Out of Autoclave infusion technologies. HiTape allows preforms to be manufactured in a fully automated lay-up process, with high deposition rates.
To demonstrate this, Hexcel has worked with Aerolia SAS and Coriolis Composites to design and manufacture an aircraft fuselage panel demonstrator that will be on display at JEC.
According to Hexcel, the fuselage panel is a self-stiffened skin that was designed by Aerolia to meet the mechanical performance requirements for primary structures. Coriolis Composites developed the dry Automated Fiber Placement process for the full scale fuselage skin demonstrator – and the dry preforms were made at Compositadour’s facilities. The HiTape preform skin and stiffeners were infused with HexFlow RTM6 resin at Hexcel’s new Applications Laboratory in Les Avenieres, close to Lyon, France, using a co-infusion process that was developed in-house. The company explains that the resulting fuselage panel demonstrates that parts made with HiTape and HexFlow RTM6 meet the mechanical performance requirements for primary structures.
Hexcel will be exhibiting at Stand F30, Hall 7.3.
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