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Article | REF: TRI150 V1

Scratch Testing

Authors: Guillaume BERTHOUT, Nicholas X. RANDALL

Publication date: September 10, 2017, Review date: May 28, 2021

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6. Glossary

Scratch testing

Test for qualitative or quantitative characterization of thin films and coatings. This measurement is performed by applying a force, generally increasing, to an indenter, and moving the coated sample under the indenter.

Sclerometry; Sclerometry

Measurement of the hardness of solids based on their resistance to scratching.

Adhérence ; Adhesion

All the forces between two materials that prevent them from separating.

Charge critique ; Critical load

Normal force leading to systematic damage (spalling, cracking, etc.).

Émission acoustique; Acoustic emission

Energy release in the form of transient elastic waves.

Coefficient or friction...

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