Method of measuring the adhesion of a coating to a substrate

Details Method of measuring the adhesion of a coating to a substrate Method of measuring the adhesion of a coating to a substrate

2005-09-27

2005-09-27

Lefkowitz, Edward (Department: 2855)

Measuring and testing

Vibration

By mechanical waves

C427S008000

Reexamination Certificate

active

06948370

ABSTRACT:
A method of measuring the adhesion of a coating to a substrate, wherein the measurement is done in air and wherein an ultrasound transducer is applied to the substrate by means of a thin film of gel, and a quality factor is calculated, given by the ratio between the amplitudes of the echoes associated with the first two reflections on the substrate/coating interface after passing through the substrate or on the coating/air interface after passing through the substrate and the coating.

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