Method of producing a high-energy hydroformed structure from a 7xxx-series alloy

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United States of America

PATENT NO 12247278
APP PUB NO 20210381090A1
SERIAL NO

17283055

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Abstract

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A method of producing an integrated monolithic aluminum structure including providing an 7xxx-series aluminum alloy plate with a predetermined thickness of at least 10 mm, and wherein the plate has been solution heat treated and stretched, heat-treating the plate product in a first of a plurality of artificial ageing steps required to achieve a final temper state, high-energy hydroforming the plate against a forming surface of a rigid die having a contour with a desired curvature of the integrated monolithic aluminum structure, the high energy forming causing the aluminum alloy plate to conform to the forming surface contour to at least one of a uniaxial curvature and a biaxial curvature, heat-treating the integrated monolithic aluminum structure through a remaining ageing step of the ageing steps to achieve a desired final temper, and machining the high-energy formed structure to a near-final or final machined integrated monolithic aluminum structure.

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Patent Owner(s)

  • AIRBUS SAS

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bürger, Achim Koblenz, DE 26 28
Bach, Andreas Harald Koblenz, DE 8 3
Khosla, Sunil Koblenz, DE 21 140
Meyer, Philippe Koblenz, DE 52 179
Spangel, Sabine Maria Koblenz, DE 24 47

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