NASA NTRS · 19660000324
Bimetallic devices help maintain constant sealing forces down to cryogenic temperatures
Abstract
Tantalum washers compensate for different thermal coefficients of expansion between stainless steel and an aluminum O-ring. The washers have sufficient thickness to maintain a vacuum seal from room to cryogenic temperatures.
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De Boskey, W. R.. 1966-07-01. Bimetallic devices help maintain constant sealing forces down to cryogenic temperatures. https://ntrs.nasa.gov/citations/19660000324
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