Analysis of semitransparent layered materials by modulated photothermal radiometry: application to the bonding and thickness control of enamel coatings

Abstract
To use modulated photothermal radiometry to control the thermophysical properties of enamel coatings, we first analytically resolve a theoretical model with two finite semitransparent layers and thermal-resistance interface; then we experimentally study several samples with various adhesion properties. The comparison of the experimental results with the calculations allows one, under the present conditions, to point out the possibilities and limits of the method, mainly for the control of coating thickness and delaminations.

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