Non destructive adhesion testing

Details Non destructive adhesion testing Non destructive adhesion testing

1993-12-20

1995-10-03

Gutierrez, Diego F. F.

Measuring and testing

Coating material: ink adhesive and/or plastic

73 37, 73821, 73825, G01N 1904

Patent

active

054542600

ABSTRACT:
Non destructive adhesion testing of coatings to substrates. A supersonic jet of water is impinged against the coating. The impingement intensity of the jet is set at a predetermined "failure intensity" determined by testing of a sample having a minimum acceptable level of adhesion. Parts passing through the supersonic jet unscratched pass the test. Parts whose coatings debond when impacted by the jet fail the test.

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