The design of a test procedure for the measurement of acoustic damping of materials at low stress.

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Author
Heidgerken, Ricky A.
Date
1983-09Advisor
Shin, Y.S.
Perkins, Jeff
Metadata
Show full item recordAbstract
A procedure for measuring the viscous damping of relatively
large plate material (up to 40 inches x 14 inches x
2
inches) was developed utilizing the Hewlett-Packard 5451C
Fourier Analyzer and impulse hammer technique under very low
stress conditions. Testing environment can be lab air or
nondistilled water in the temperature range from 30° F to
90° F.
The test procedure includes modal analysis that is
expandable to other geometric shapes and varied material
such as high damping alloys and composites both metallic
and non-metallic.
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This publication is a work of the U.S. Government as defined in Title 17, United States Code, Section 101. Copyright protection is not available for this work in the United States.Collections
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