Apparatus and method for the non-destructive evaluation of a bif

Details Apparatus and method for the non-destructive evaluation of a bif Apparatus and method for the non-destructive evaluation of a bif

1991-06-05

1992-08-18

Snow, Walter E.

Electricity: measuring and testing

Magnetic

With means to create magnetic field to test material

324262, 505726, G01N 2772, G01N 2400, G01R 33135, G01C 2108

Patent

active

051402661

ABSTRACT:
An apparatus and method is disclosed for evaluating the superconducting quality of superconducting materials. The materials are wound on a bifilar spool and tested in a cryogenic atmosphere to determine when the material quenches. During the testing procedure, the electro-magnetic field, current and temperature imposed on the material are varied and the test results are compared with known results to determine if the material is superconductive. In this way, large samples can be tested in a non-destructive manner.

REFERENCES:
Melnikov et al, "A Method for determining the superconducting temperture", Apr. 1976, Cryogenics vol. 16, No. 4 p. 246.

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