June 19, 2011
This full-sized panel was produced with Alcoa’s third-generation Al-Li 2060 aluminum-lithium alloy, then stretch-formed by Spirit AeroSystems into the final curved shape for use in a jetliner’s fuselage. It demonstrates the compatibility of advanced aluminum alloys with the existing manufacturing supply chain of new commercial jetliners, delivering the strength, damage tolerance, and corrosion resistance of metallics at the lighter weight inherent in Alcoa’s new solutions. This new combination of performance attributes and aircraft operating costs available with advanced metallic solutions stands in contrast to earlier assessments that drove some airframers to increased use of composites.
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