Method and apparatus for magnetic inspection through adjustable

Details Method and apparatus for magnetic inspection through adjustable Method and apparatus for magnetic inspection through adjustable

1976-06-04

1977-11-15

Corcoran, Robert J.

Electricity: measuring and testing

Magnetic

By paramagnetic particles

G01R 3312

Patent

active

040587622

ABSTRACT:
An illustrative embodiment of the invention provides a method and apparatus for magnetic inspection of areas of interest in ferromagnetic material by means of both alternating and direct current induced magnetic fields. Moreover, the magnetic fields may be pulsed sequentially and/or simultaneously to detect defects deep within the area of interest.

REFERENCES:
patent: 1782462 (1930-11-01), Chappuzean et al.
patent: 1910770 (1933-05-01), Kinsley
patent: 3378762 (1968-04-01), Parker

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