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Superplastically formed diffusion bonded metallic structureA metallic sandwich structure particularly suited for use in aerospace industries comprising a base plate, a cover plate, and an orthogonally corrugated core is described. A pair of core plates formed of a superplastic alloy are interposed between the base plate and the cover plate and bonded. Each of the core plates is characterized by a plurality of protrusions comprising square-based, truncated pyramids uniformly aligned along orthogonally related axes perpendicularly bisecting the legs of the bases of the pyramids and alternately inverted along orthogonally related planes diagonally bisecting the pyramids, whereby an orthogonally corrugated core is provided.
Document ID
19820016420
Acquisition Source
Legacy CDMS
Document Type
Other - Patent
Authors
Ko, W. L. (NASA Hugh L. Dryden Flight Research Center Edwards, CA, United States)
Date Acquired
September 4, 2013
Publication Date
September 29, 1981
Subject Category
Composite Materials
Accession Number
82N24296
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.
Patent
US-PATENT-4,292,375|NASA-CASE-FRC-11026-1
Patent Application
US-PATENT-APPL-SN-043944

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