SYMPOSIA PAPER Published: 01 January 1973
STP47375S

Fundamentals of Dynamic Properties Measurement of Elastomers: Part II—Instrumentation, Computation, and Compensation

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Instrument requirements for determining the dynamic properties of elastomers are particularly stringent because of the inherently low phase shift between force and displacement. Some currently available instruments and their tradeoffs are briefly discussed. A basic concept of employing matching circuits to eliminate the necessity for measuring both of the across variables, namely, position and velocity, is described, as well as the computational circuits to recover the missing variable. A scheme for compensating the phase-lagging characteristics of the transducer-amplifier combination is also presented.

Author Information

Nachtigal, Chester, L.
Purdue University, Lafayette, Indiana
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Details
Developed by Committee: D11
Pages: 25–31
DOI: 10.1520/STP47375S
ISBN-EB: 978-0-8031-6937-1
ISBN-13: 978-0-8031-6659-2