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SPECIFICATION 19096
First edition
2023-11
Metallic materials — Instrumented
indentation test for hardness and
materials parameters — Evaluation of
stress change using indentation force
differences
Matériaux métalliques — Essai d'indentation instrumenté pour les
paramètres de dureté et de matériaux — Évaluation de la variation
de contrainte en utilisant les différences de force d'indentation
Reference number
ISO/TS 19096:2023(E)
© ISO 2023
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ISO/TS 19096:2023(E)
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© ISO 2023
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Published in Switzerland
ii
© ISO 2023 – All rights reserved
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ISO/TS 19096:2023(E)
Contents Page
Foreword .iv
Introduction .v
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Symbols and designations . 1
5 Principle . 2
5.1 Shift of force/indentation depth curve by stress change . 2
5.2 Derivation of stress change from force difference . 3
6 Testing machine.3
7 Test piece . 3
8 Procedure .4
9 Calculation of stress change . 5
9.1 Force and projected area calculation at each state . 5
9.2 Force difference . 6
9.3 Projected area . 6
9.4 Calculation of average stress change . 6
10 Uncertainty of the results .
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