Device for tensioning test specimens within an hermetically seal

Measuring and testing – Gas content of a liquid or a solid – By vibration

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73 95, G01N 318

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active

040180808

ABSTRACT:
A device for tensioning test specimens within an hermetically sealed chamber. The device is characterized by a support column adapted to be received within an insulated, hermetically sealable chamber, a plurality of anchor pins mounted on the column for releasibly connecting thereto a plurality of test specimens, a plurality of axially displaceable pull rods received by the column in coaxial alignment with the anchor pins, one end of each pull rod being provided with a coupling for connecting the pull rod to a test specimen, while the opposite end of the pull rod is extended through a cover plate and adapted to be connected with a remotely related linear actuator through a connecting link including a load cell for measuring stress as the pull rod is placed in tension by the actuator.

REFERENCES:
patent: 2436317 (1948-02-01), Manjoine
patent: 3176499 (1965-04-01), Sikora
patent: 3404562 (1968-10-01), MacGlashanje et al.
patent: 3491586 (1970-01-01), Branger
patent: 3922903 (1975-12-01), Bornstein et al.
Reed, "A Cryostat For Tensile Tests in the Temperature Range of 300.degree.-4.degree. K", in Crygenic Materials Data Handbook, Sept., 1961.
Erdmann, "Apparatus For Low-Temperature Deformation and Simultaneous Measurements of Thermal Properties of Metal", in Rev. of Sci. Inst. vol. 34, No. 2, Feb., 1963, pp. 172-179.
Vergola et al., "A Machine For Studying Deformation At Temperatures Down To 1.degree.-5.degree. K", in Cryogenics, vol. 11, No. 2, Apr., 1971, pp. 148, 149.

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