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EVS-EN ISO 14577-1:2015

Metallic materials - Instrumented indentation test for hardness and materials parameters - Part 1: Test method (ISO 14577-1:2015)

General information
Valid from 02.09.2015
Base Documents
ISO 14577-1:2015; EN ISO 14577-1:2015
Directives or regulations
None

Standard history

Status
Date
Type
Name
02.09.2015
Main
01.03.2003
Main
This part of ISO 14577 specifies the method of instrumented indentation test for determination of hardness and other materials parameters for the following three ranges:
— macro range: 2 N ≤ F ≤ 30 kN;
— micro range: 2 N > F; h > 0,2 μm;
— nano range: h ≤ 0,2 μm.
For the nano range, the mechanical deformation strongly depends on the real shape of indenter tip and the calculated material parameters are significantly influenced by the contact area function of the indenter used in the testing machine. Therefore, careful calibration of both instrument and indenter shape is required in order to achieve an acceptable reproducibility of the materials parameters determined with
different machines.
The macro and micro ranges are distinguished by the test forces in relation to the indentation depth.
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