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Capacitive ExtensometerThe present invention provides for measurements of the principal strain magnitudes and directions, and maximum shear strain that occurs in a porous specimen, such as plastic, ceramic or porous metal, when it is loaded (or subjected to a load). In one embodiment the invention includes a capacitive delta extensometer arranged with six sensors in a three piece configuration, with each sensor of each pair spaced apart from each other by a predetermined angle, such as 120 degrees.
Document ID
20030068895
Acquisition Source
Glenn Research Center
Document Type
Other - Patent
External Source(s)
LEW-16638-2
Authors
Gail P Perusek
(Glenn Research Center Cleveland, United States)
Date Acquired
August 21, 2013
Publication Date
June 24, 2003
Subject Category
Instrumentation And Photography
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.
Patent
US-Patent-6,581,481
Patent Application
US-Patent-Appl-SN-853920
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