COLD SPRAY ADDITIVE MANUFACTURING OF FRAGMENTATION BOMBS AND WARHEADS
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United States of America Patent
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Issued Date -
Mar 14, 2024
app pub date -
Sep 11, 2023
filing date -
Sep 9, 2022
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Abstract
Disclosed herein are methods of making fragmentation casings for bombs and warheads. Particularly, cold spray methods are used. A layer or layers of metal, metal alloy, and optional other materials are deposited by cold spray application of cold spray materials to preform/mandrel, having patterned structures to define fragmentation points (e.g., stress concentrators) in a fragmentation casing formed on the preform/mandrel via cold spray. In addition to such cold spray processes for forming a fragmentation casing, this disclosure relates to the preform/mandrels used as well as the resultant fragmentation casing formed via cold spray.
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