Cryogenic impact testing method and machine

Details Cryogenic impact testing method and machine Cryogenic impact testing method and machine

1981-12-21

1983-09-20

Kreitman, Stephen A.

Thermal measuring and testing

Thermal testing of a nonthermal quantity

With loading of specimen

73844, 73 12, G01N 330

Patent

active

044052430

ABSTRACT:
A cryogenic impact testing method of Charpy's and falling weight types which can test a test piece without substantially exposing the test piece with the atmospheric air under the same test piece cooling space, temperature controlling space and impact testing space, and a cryogenic impact testing machine of Charpy's and falling weight types which can execute suitably the above method. Thus, the stable temperature of the test piece can be obtained at the time of testing with highly reliable measured result.

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patent: 2670624 (1954-03-01), Faris, Jr. et al.
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An Apparatus for Metallographic Studies Between 4.2.degree..degree.and 300 K. by M. V. Zinovier, L. K. Kolyboeu, Cryogenics, Apr. 1972, p. 134, vol. 12.
Apparatus for Thermal Cycling of Test Pieces Under Load; by I. Gindin, S. Krauchentco; Strength of Materials, Apr. 1973; No. 4, pp. 122-124; vol. 5.
Apparatus for Fatigue Tests in Vacuum at Low Temps.; by V. Bachmann in Rev. of Scientific Intr., vol. 45, No. 5, May 1974, pp. 702-704.
Apparatus for Impact-Fatigue Testing, by R. E. Schramm et al., Journal of Res. of Nat. Bur. of Stands., vol. 75C, No. 2, Apr.-Jun. 1971, pp. 95-98.

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