Method of and a device for measuring a relaxation phenomenon

Details Method of and a device for measuring a relaxation phenomenon Method of and a device for measuring a relaxation phenomenon

1977-11-03

1978-08-01

Ruehl, Charles A.

Measuring and testing

Ductility or brittleness

73 156, 73 89, G01D 916, G01N 306

Patent

active

041035410

ABSTRACT:
A method of measurement of relaxation phenomena, in which input signals representing a relaxation phenomenon are recorded at equal intervals for logarithmic values of time.
A measuring device for relaxation phenomena which comprises a logarithmic time pulse oscillator for producing pulse signals at equal intervals for logarithmic values of time, and a recorder for recording input signals representing a relaxation phenomenon converted into an electrical quantity, which operates to perform recording each time a pulse signal is produced.

REFERENCES:
patent: 2647393 (1953-08-01), Stewart
patent: 3134256 (1964-05-01), Wolstenholme
patent: 4019365 (1977-04-01), Woo
R. D. Andrews, Journal of Applied Physics, vol. 26, No. 9, Sep. 1955, pp. 1061-1067.
M. Holt et al., Journal of Basic Engineering, Sep. 1970, pp. 655-661.
Scherr et al., Journal of Applied Polymer Science, vol. 7, 1963, pp. 1273-1279.

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