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O-Ring-Testing FixtureFixture tests O-rings for sealing ability under dynamic conditions after extended periods of compression. Hydraulic cylinder moves plug in housing. Taper of 15 degrees on plug and cavity of housing ensures that gap created between O-ring under test and wall of cavity. Secondary O-rings above and below test ring maintain pressure applied to test ring. Evaluates effects of variety of parameters, including temperature, pressure, rate of pressurization, rate and magnitude of radial gap movement, and pretest compression time.
Document ID
19910000060
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Turner, James E.
(NASA Marshall Space Flight Center, Huntsville, AL.)
Mccluney, D. Scott
(NASA Marshall Space Flight Center, Huntsville, AL.)
Date Acquired
August 14, 2013
Publication Date
February 1, 1991
Publication Information
Publication: NASA Tech Briefs
Volume: 15
Issue: 2
ISSN: 0145-319X
Subject Category
Mechanics
Report/Patent Number
MFS-28414
Accession Number
91B10060
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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