Instrumented Indentation

Operating Principle of the Instrumented Indentation Test according to the standard DIN EN ISO 14577

Principle of the instrumented indentation
Principle of the instrumented indentation

In the Instrumented Indentation Test, an indenter penetrates the specimen’s surface using a specified load F. During this process, the depth of the indentation h is measured continuously. Because of their high resolutions for load (≤ 100 nN or ≤ 400 nN) and distance (40 to 100 pm), FISCHER microhardness instruments can be used for a broad range of applications and materials. The Instrumented Indentation Test can determine material properties on thin coatings (Martens hardness HM, Elastic modulus of indentation EIT and indentation hardness HIT). For example on sensors, on glass or on data storage media, and even on very soft materials such as elastomers.

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