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Reusable thermal cycling clampA reusable metal clamp for retaining a fused quartz ampoule during temperature cycling in the range of 20 deg C to 1000 deg C is described. A compressible graphite foil having a high radial coefficient of thermal expansion is interposed between the fused quartz ampoule and metal clamp to maintain a snug fit between these components at all temperature levels in the cycle.
Document ID
19850013341
Acquisition Source
Legacy CDMS
Document Type
Other - Patent
Authors
Debnam, W. J., Jr. (NASA Langley Research Center Hampton, VA, United States)
Fripp, A. L. (NASA Langley Research Center Hampton, VA, United States)
Crouch, R. K. (NASA Langley Research Center Hampton, VA, United States)
Date Acquired
August 12, 2013
Publication Date
January 1, 1985
Subject Category
Mechanical Engineering
Report/Patent Number
NAS 1.71:LAR-12868-1
Patent Number: US-PATENT-4,491,427
Patent Number: NASA-CASE-LAR-12868-1
Report Number: NAS 1.71:LAR-12868-1
Patent Application Number: US-PATENT-APPL-SN-322321
Accession Number
85N21651
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.
Patent
US-PATENT-4,491,427|NASA-CASE-LAR-12868-1
Patent Application
US-PATENT-APPL-SN-322321

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