Eddy current method and apparatus for determining structural def

Details Eddy current method and apparatus for determining structural def Eddy current method and apparatus for determining structural def

1988-06-16

1989-11-14

Strecker, Gerard R.

Electricity: measuring and testing

Magnetic

With means to create magnetic field to test material

324230, 324241, G01N 2790, G01R 3312

Patent

active

048810312

ABSTRACT:
In eddy current testing of coated metal objects for corrosion, test values are arranged into fields corresponding to metal object and coating characteristics permitting direct readout of corrosion existence underneath coating without requiring coating removal.

REFERENCES:
patent: 3405354 (1968-10-01), Callan et al.
patent: 3895290 (1975-07-01), Audenard et al.
patent: 3904957 (1975-09-01), Griese
patent: 4564809 (1986-01-01), Huschelrath et al.
patent: 4628260 (1986-12-01), Kimoto et al.
patent: 4652823 (1987-03-01), Sutton
patent: 4799011 (1989-01-01), Muller

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