Mechanical device for determining the modulus and loss factor of

Details Mechanical device for determining the modulus and loss factor of Mechanical device for determining the modulus and loss factor of

1989-10-30

1992-09-15

Fuller, Benjamin R.

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235 70A, 235 89R, G06G 102

Patent

active

051480069

ABSTRACT:
A device for providing the modulus and loss factor values of a damping material based upon temperature and frequency which includes (i) an insert having (a) temperature isotherms on one side, and (b) graphs of the modulus and loss factor values for the damping material as a variable of temperature and frequency on the other side, and (ii) a sleeve for the insert which has (aa) a temperature isotherm display window for displaying the temperature isotherms on the insert, (bb) a frequency scale proximate the temperature isotherm display window, and (cc) a means for highlighting a modulus value and a loss factor value from the modulus and loss factor graphs provided on the insert. The device is employed to obtain the modulus and loss factor values of a damping material at a particular frequency and temperature by (i) a coupling the temperature and frequency values of concern by sliding the insert within the sleeve until the isotherm representing the temperature of concern physically contacts the frequency value of concern, and (ii) reading the modulus value and loss factor value highlighted by the highlighting means.

REFERENCES:
patent: 2179531 (1939-11-01), Trapnell
patent: 3045908 (1962-07-01), Donovan
patent: 3341117 (1967-09-01), Painter
patent: 4346288 (1982-08-01), Foster

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