Northrop Grumman Systems Corporation

Grumman Aerospace Corporation

Joseph A O'Toole

Douglas W Sedgley

A method of affixing a material on a substrate to the inner surface of a bore tube of magnets for a superconducting supercollider includes the steps of bonding a gas-absorbing material to a thin metallic substrate and forming the substrate and the material into a partly tubular configuration having an inner surface and an outer surface, the material being on the inner surface. The partly tubular configuration is shaped in a manner whereby the partly tubular configuration is expandable in diameter. The partly tubular configuration is inserted coaxially into the tube with the outer surface of the partly tubular configuration in proximity with the inner surface of the tube. Hoop compressor stress is applied to the inner surface of the partly tubular configuration, thereby forcing the partly tubular configuration against the inner surface of the tube. The bore tube is maintained at cryogenic temperature.

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Massapequa, NY, United States of America

Joseph A O'Toole