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Article | REF: RE248 V1

Assessing adhesion and cohesion of thin coatings by ultrasonic cavitation

Authors: Laurent VONNA, Hamidou HAIDARA

Publication date: March 10, 2016

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3. Test implementation

The cavitation test used to characterize the adhesion and cohesion of thin coatings is similar to the test described in ASTM G-32. Whereas in this standard, erosion resistance is assessed by mass loss or possibly eroded depth as a function of time, in the case of the thin coatings discussed here, cavitation resistance is assessed from the uncovered substrate area (§ 2.5.3

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