Study of viscoelasticity by instrumented indentation
Identification of the Mechanical Behaviour of Polymers thanks to Instrumented Indentation Tests
Quizzed article REF: AM3139 V1
Study of viscoelasticity by instrumented indentation
Identification of the Mechanical Behaviour of Polymers thanks to Instrumented Indentation Tests

Author : Eric FELDER

Publication date: November 10, 2022, Review date: January 24, 2024 | Lire en français

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3. Study of viscoelasticity by instrumented indentation

Since polymers exhibit low-strain viscoelasticity, indentation studies of their viscoelastic behavior use spherical indenters or small increments of displacement of a conical indenter to impose low strains on the material.

3.1 Frequency rheology

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3.1.1 Procedure and theoretical interpretation

On the most efficient indentation machines, the force is applied by means of a solenoid, and the contact stiffness ( Continuous Stiffness Measurement – CSM) by superimposing on the exponential...

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