Magnetic field generation in ferromagnetic metal objects

Details Magnetic field generation in ferromagnetic metal objects Magnetic field generation in ferromagnetic metal objects

1996-11-25

1998-04-28

Snow, Walter E.

Electricity: measuring and testing

Magnetic

With means to create magnetic field to test material

324225, G01N 2772, G01R 3312

Patent

active

057449546

ABSTRACT:
A novel test method enables physical properties in ferromagnetic metals to be more reliably measured with induced eddy current flow. An adverse Barkhausen effect is prevented during the test measurements to enable detection of extremely small conductivity changes in the particular ferromagnetic metal object being tested.

REFERENCES:
patent: 4847552 (1989-07-01), Howard

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