3000 Standalone - KB-Prüftechnik
3000 Standalone - KB-Prüftechnik
3000 Standalone - KB-Prüftechnik
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Martens<br />
<strong>KB</strong> <strong>Prüftechnik</strong><br />
Instrumented indentation test<br />
Principle: During the load application and relieving the load and the displacement<br />
are meassured.<br />
Acc. to DIN EN ISO 14577 the following values can be determined. Pyramidal indenter<br />
( Vickers, Berkovich) are used.<br />
Short cut Unit Determination<br />
HM N/mm² �� Martens hardness<br />
�� Zero– point determination via<br />
linear extrapolation<br />
�� High sensitivity for effects on<br />
the surface of the sample and<br />
the support<br />
HMs N/mm² �� Martens hardness determined<br />
by the slope of the force/ displacement–<br />
curve<br />
�� Smaller sensitivity for effects<br />
of the surface of the sample<br />
HIT N/mm² �� Indentation resistance<br />
EIT N/mm² �� Indentation modulus<br />
dF/dh N/mm �� Contact stiffness<br />
�� Interim value for the EIT– calculation<br />
CIT % �� Indentation creep<br />
Welast mNm �� Elastic part of the indentaion<br />
work<br />
Wplast mNm �� Plastical part of the indentation<br />
work<br />
Wtotal mNm �� Indentation work<br />
Technical Data<br />
Max. Depth: 300μm<br />
Resolution better than: 0,01μm<br />
Qualified for displacements greater than: 6μm<br />
Probe tip<br />
Indenter<br />
Force/ Displacement Curve<br />
Software Martens hardness testing
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