Dynamic rheometer

Details Dynamic rheometer Dynamic rheometer

1971-09-01

1976-01-20

Gill, James J.

Measuring and testing

Liquid analysis or analysis of the suspension of solids in a...

Content or effect of a constituent of a liquid mixture

73 94, 73100, G01N 332

Patent

active

039330320

ABSTRACT:
The dynamic mechanical properties of polymeric materials can be measured either in uniaxial compression or in flexure as a function of frequency over a wide frequency as well as temperature range, by using a piezoelectric driver to apply a displacement to a sample and a piezoelectric pickup to pick up the forces transmitted through the sample together with electrical circuitry whereby the amplitude ratio and phase angle between drive and pickup signals may be read.

REFERENCES:
patent: 2873604 (1959-02-01), Samsel
patent: 3033027 (1962-05-01), Perls et al.
patent: 3162039 (1964-12-01), Schloss
"Direct Measurement of Dynamic Bulk Modulus," NBS Technical News Bulletin, pp. 110, 111, Aug. 1956.

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