Method for continuous determination of the elastic stiffness of

Details Method for continuous determination of the elastic stiffness of Method for continuous determination of the elastic stiffness of

1988-04-06

1989-07-18

Levy, Stewart J.

Measuring and testing

Hardness

By penetrator or indentor

G01N 342

Patent

active

048481416

ABSTRACT:
A method for continuously measuring the stiffness and area of contact between two bodies is provided. Elastic stiffness of a junction is measured by introducing a relatively small oscillatory mechanical force at a known frequency to the junction and measuring the subsequent displacement response using AC signal-handling techniques to provide a continuous measurement proportional to the stiffness and the area of contact between the bodies, even as the area of contact changes.

REFERENCES:
patent: 3958450 (1976-05-01), Kleesattel

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