The indentation velocity effect on Martens Hardness (HM) was investigated in the macro-, micro- and nano ranges of the indentation test. The indentation test in the micro- and nanorange was analyzed for practical indentation velocities ranging between 2 to 60 nm/s. The influence of the indentation velocity Vind for coated samples yielded the largest relative changes of Martens Hardness for ductile materials with small coating thickness and for brittle materials with large coating thickness. A sensitivity to final velocity of indentation was confirmed for high hardness level for the macro range.

Indentation Velocity Effect on Martens Hardness Measurement / Hermann, K; Menelao, F; Germak, ALESSANDRO FRANCO LIDIA; Barbato, G; Brondino, G.. - In: VDI-BERICHTE. - ISSN 0083-5560. - 1685:(2002), pp. 235-241.

Indentation Velocity Effect on Martens Hardness Measurement

GERMAK, ALESSANDRO FRANCO LIDIA;
2002

Abstract

The indentation velocity effect on Martens Hardness (HM) was investigated in the macro-, micro- and nano ranges of the indentation test. The indentation test in the micro- and nanorange was analyzed for practical indentation velocities ranging between 2 to 60 nm/s. The influence of the indentation velocity Vind for coated samples yielded the largest relative changes of Martens Hardness for ductile materials with small coating thickness and for brittle materials with large coating thickness. A sensitivity to final velocity of indentation was confirmed for high hardness level for the macro range.
2002
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11696/33541
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