Fiber composite over-wrap for a cryogenic structure

Details Fiber composite over-wrap for a cryogenic structure Fiber composite over-wrap for a cryogenic structure

2004-05-10

2009-06-02

Nordmeyer, Patricia L (Department: 1794)

Stock material or miscellaneous articles

Hollow or container type article

Polymer or resin containing

C428S034100, C428S300400, C428S300700, C220S560040, C220S560050, C220S560090, C156S169000, C138S153000, C138S172000

Reexamination Certificate

active

07541078

ABSTRACT:
A structure has an inner, load bearing member and a surrounding, concentric over-wrap. The inner member is composed of a carbon composite and the over-wrap is composed of a non-carbon composite. The inner member has a negative coefficient of thermal expansion and the over-wrap has a positive coefficient of thermal expansion that is an order of magnitude greater than that of the inner member. When subjected to cryogenic temperatures, the over-wrap will shrink and apply a compressive force against the inner member, to resist the creation of microcracks in the inner member.

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patent: 04069493 (1992-03-01), None

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