The effect of indentation velocity is well known as one of the most significant parameters in hardness measurement. Tests accurately done using a primary hardness machine have shown effects larger than expected, however compatible with the differences evidenced with international comparisons, therefore acceptable in principle. This paper presents the measurement procedure adopted and the results obtained, with the invitation to other researchers to test velocity effect with different apparatus, to evidence, with independent measurement, the confirmation or rejection of obtained results and to help in finding an explication for this strong effect.
Uncertainty Evaluation for Martens Hardness. Analysis of the Velocity Effect / Barbato, G; Brondino, G; Galetto, M; Germak, ALESSANDRO FRANCO LIDIA. - 1:(2001), pp. 466-469. (Intervento presentato al convegno 2ND INTERNATIONAL CONFERENCE OF THE EUROPEAN SOCIETY FOR PRECISION ENGINEERING AND NANOTECHNOLOGY tenutosi a TORINO nel MAY 27-31, 2001).
Uncertainty Evaluation for Martens Hardness. Analysis of the Velocity Effect
GERMAK, ALESSANDRO FRANCO LIDIA
2001
Abstract
The effect of indentation velocity is well known as one of the most significant parameters in hardness measurement. Tests accurately done using a primary hardness machine have shown effects larger than expected, however compatible with the differences evidenced with international comparisons, therefore acceptable in principle. This paper presents the measurement procedure adopted and the results obtained, with the invitation to other researchers to test velocity effect with different apparatus, to evidence, with independent measurement, the confirmation or rejection of obtained results and to help in finding an explication for this strong effect.I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.
