Hexcel secured the contract to supply carbon fibre materials for the A350 XWB's primary structures in 2008, by developing a complete composite proposal, including prepreg and associated products. This involved development of both fibre and resin technology within the company.
The fibre is one of the most important constituents in any prepreg, explains Paul Mackenzie, Hexcel VP R&T, and being able to provide enhanced intermediate modulus carbon fibre technology to meet the requirements of the A350 programme was an important aspect of Hexcel's development. The result is HexTow IMA, which provides superior mechanical performance including very high tensile strength (850-900 Ksi) and tensile modulus (40-42 Msi).
Hexcel has a long history of supplying structural prepregs to the aerospace industry. Its HexPly M21 and 8552 systems are widely used at Airbus and are employed on the A380 and A400M programmes. Hexcel chemists developed HexPly M21E epoxy resin to provide enhanced toughness and durability, to ensure the propertiest of the fibre are fully optimised in the cured prepreg laminates.
The prepreg is supplied as unidirectional (UD) tape, which can be very finely slit for automated fibre placement (AFP) and automated tape laying (ATL) processes.
Hexcel secured the contract to supply carbon fibre materials for the A350 XWB's primary structures in 2008, by developing a complete composite proposal, including prepreg and associated products. This involved development of both fibre and resin technology within the company.
The fibre is one of the most important constituents in any prepreg, explains Paul Mackenzie, Hexcel VP R&T, and being able to provide enhanced intermediate modulus carbon fibre technology to meet the requirements of the A350 programme was an important aspect of Hexcel's development. The result is HexTow IMA, which provides superior mechanical performance including very high tensile strength (850-900 Ksi) and tensile modulus (40-42 Msi).
Hexcel has a long history of supplying structural prepregs to the aerospace industry. Its HexPly M21 and 8552 systems are widely used at Airbus and are employed on the A380 and A400M programmes. Hexcel chemists developed HexPly M21E epoxy resin to provide enhanced toughness and durability, to ensure the propertiest of the fibre are fully optimised in the cured prepreg laminates.
The prepreg is supplied as unidirectional (UD) tape, which can be very finely slit for automated fibre placement (AFP) and automated tape laying (ATL) processes.
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