NASA NTRS · 19910000060
O-Ring-Testing Fixture
Abstract
Fixture 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.
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Turner, James E., Mccluney, D. Scott. 1991-02-01. O-Ring-Testing Fixture. https://ntrs.nasa.gov/citations/19910000060
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