Torsional-axial extensometer with additional restraint to limit

Details Torsional-axial extensometer with additional restraint to limit Torsional-axial extensometer with additional restraint to limit

1984-06-08

1986-08-26

Levy, Stewart J.

Measuring and testing

Specimen stress or strain, or testing by stress or strain...

By loading of specimen

G01B 530

Patent

active

046075313

ABSTRACT:
An extensometer assembly measures axial strain, torsional strain, and various combinations of these strains in a specimen on which the extensometer is mounted, through the use of two extensometers on opposite sides of the specimen coupled by a cross-beam. Connecting assemblies are used to eliminate flexibility in unneeded axes to thereby minimize the opportunities for unwanted signals to occur. The mounting frame is stiff in all axes which are not necessary for measurement. The frame is soft in necessary axes for operation.

REFERENCES:
patent: 2663085 (1953-12-01), Ruge
patent: 2666262 (1954-01-01), Ruge
patent: 3402472 (1968-09-01), Riley
patent: 3789508 (1974-02-01), Meline
patent: 4160325 (1979-07-01), DeNicola
patent: 4251918 (1981-02-01), Duggan
patent: 4491021 (1985-01-01), Meline

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