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Advanced Engineering 2018

Greene, Tweed and Aerolia Validate Thermoplastic Composite Replacement for Complex-Shape Metallic Parts

05 August 2014

Greene, Tweed and Aerolia Validate Thermoplastic Composite Replacement for Complex-Shape Metallic Parts

Greene, Tweed and Aerolia have successfully advanced the use of thermoplastic composite materials for Aerospace structural metal replacement in complex-shape applications previously not suited for composites.

The companies state the development project was performed under the R&D umbrella of CORAC (Council for Civil Aeronautics Research), which it says supports research and development efforts in the aviation sector focused on preservation of the environment and sustainable development.

According to Greene the project included material characterisation of Xycomp DLF, a Greene, Tweed discontinuous long fiber thermoplastic material, part sizing and part testing by Aerolia under various conditions to achieve desired Technology Readiness Levels (TRL) for production applications.

Vincent Labatut, R&T and Stress Engineer states that new composite-intensive aircraft continue to include a substantial number of machined metallic components due to a lack of cost-effective complex-shape composites solutions. The company explains currently Xycomp DLF is able to provide complex-shaped composite parts with part count and weight reduction advantages over simple loaded metal parts, bridging the gap between complex machined metal components and cost-intensive continuous fiber composites layup technologies.

Gereon Schenk, Senior Business Manager at Greene, Tweed explains that the Xycomp DLF manufacturing technology is robust and has demonstrated the capability to produce parts with predictable and repeatable performance with high quality. Weight reduction from Xycomp DLF supports goals of reducing the environmental footprint by reducing fuel use and associated emissions. In addition, the thermoplastic matrix used for Xycomp DLF material permits recycling and remolding use in other aerospace parts.

Production applications for major aircraft platforms are currently under investigation as a direct result of the successful collaboration in this development project.

Photo provided by Greene, Tweed





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