Reinforced superplastic formed and diffusion bonded structures
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United States of America Patent
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Nov 2, 2021
Grant Date -
Apr 1, 2021
app pub date -
Sep 30, 2019
filing date -
Sep 30, 2019
priority date (Note) -
In Force
status (Latency Note)
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Abstract
An exterior panel for hypersonic transport vehicles is formed of a superplastic metal alloy such as titanium for accommodating high thermal stresses of hypersonic flight. The exterior panel, designed as re-usable on such transport vehicles, includes an exterior skin configured for atmospheric exposure, and an interior skin configured for attachment to structural frame members of the transport vehicles. An intermediate skin is situated between a pair of multicellular cores; each multicellular core is sandwiched between the exterior and interior skins, one core being situated between the exterior and intermediate skins, while the other is situated between the intermediate and interior skins. An airflow channel (AFC) extends through at least one of the multicellular cores for cooling of the exterior panel. Each multicellular core is superplastic formed and diffusion bonded to the other, as well as to its respective pair of skins to form an exterior panel having a unified structure.
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