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Measuring Poisson Ratios at Low TemperaturesSimple extensometer ring measures bulges of specimens in compression. New method of measuring Poisson's ratio used on brittle ceramic materials at cryogenic temperatures. Extensometer ring encircles cylindrical specimen. Four strain gauges connected in fully active Wheatstone bridge self-temperature-compensating. Used at temperatures as low as liquid helium.
Document ID
19870000134
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Boozon, R. S.
(Martin Marietta Corp.)
Shepic, J. A.
(Martin Marietta Corp.)
Date Acquired
August 13, 2013
Publication Date
March 1, 1987
Publication Information
Publication: NASA Tech Briefs
Volume: 11
Issue: 3
ISSN: 0145-319X
Subject Category
Mechanics
Report/Patent Number
MFS-28107
Accession Number
87B10134
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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