Liquid crystal non-destructive inspection of non-ferrous metals

Details Liquid crystal non-destructive inspection of non-ferrous metals Liquid crystal non-destructive inspection of non-ferrous metals

1985-06-14

1987-05-26

Strecker, Gerard R.

Electricity: measuring and testing

A material property using electrostatic phenomenon

For flaw detection

324216, 350331R, G01N 2761, G02F 113

Patent

active

046689168

ABSTRACT:
A non-destructive inspection arrangement for ferrous and non-ferrous metallic workpieces. The inspection arrangement employs a liquid crystal indicator medium and electrical current flow through the workpiece to develop potential differences across work surface flaws that are to be detected. The concepts of direct application of the liquid crystal medium to the work area surface and containment of the liquid cyrstal medium within a viewing device are also included.

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