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Quizzed article | REF: TRI150 V1

Scratch Testing

Authors: Guillaume BERTHOUT, Nicholas X. RANDALL

Publication date: September 10, 2017, Review date: May 28, 2021 | Lire en français

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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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