HIGH STRENGTH, LIGHT WEIGHT COMPOSITE STRUCTURE, METHOD OF MANUFACTURE AND USE THEREOF
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United States of America Patent
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Oct 31, 2017
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Nov 5, 2012
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Abstract
A composite structure (10) includes a first outer skin (12); a second outer skin (14); and a core (16) sandwiched between the first outer skin (12) and the second outer skin (14). The core (16) includes a plurality of spaced apart ridges (18) between the first outer skin (12) and the second outer skin (14), each of the spaced apart ridges (18) extending from one end (20) of the composite structure (10) to an opposite end (22); and a plurality of connecting elements (24) between the first outer skin (12) and the second outer skin (14) configured to intersect with the ridges (18) to form open channels (26) within the core (16). At least one of the first outer skin (12), the second outer skin (14) and the core (16) includes: a plurality of composite plies including at least a first composite ply and a second composite ply, the first composite ply and the second composite ply each including a plurality of fibers in a thermoplastic matrix; the plurality of composite plies being bonded together to form a composite laminate.
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