Method and apparatus for nondestructively determining the densit

Details Method and apparatus for nondestructively determining the densit Method and apparatus for nondestructively determining the densit

1987-03-13

1988-05-31

Myracle, Jerry W.

Measuring and testing

Miscellaneous

73 65, G01M 1900

Patent

active

047473088

ABSTRACT:
Method and apparatus for nondestructively estimating density of contiguous segments along the length of a straight, elongated specimen which is uniform in cross-section and heterogeneous in density throughout its length comprising maintaining the specimen in a horizontal position by supporting it at two points near opposite ends of the specimen; measuring the downward force exerted by the specimen at one of the points while periodically moving the other support along the length of the specimen. The measurements are applied to a static equilibrium equation together with external dimensions to determine segment densities.

REFERENCES:
patent: 1999312 (1935-04-01), Zeissl
patent: 3175438 (1965-03-01), Johnson
patent: 3319053 (1967-05-01), Roberts
patent: 4366874 (1983-01-01), Pidoux et al.
patent: 4372405 (1983-02-01), Stuart

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