PRACTICAL IMPLICATIONS TO THE IMPROVEMENT OF HARDNESS SCALES DEFINITIONS

Giulio Barbato, Alessandro Germak

Abstract

Recently, in the framework of the Working Group on Hardness (WGH) of the Consultative Committee for Mass and Related Quantities (CCM) of the Comité International des Poids et Mesures (CIPM), the opportunity to improve the definitions of the hardness scales has been discussed. In this paper is investigated, from the theoretical point of view, the benefits in terms of decreasing of uncertainty subsequently to the approval of new definitions. The analysis will be done on the most important Rockwell, Vickers and Brinell hardness scales, but it will be possible to extend the benefits easily to all other scales.

Keywords

hardness, definition, uncertainty

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IMEKO-TC5-2004-005.pdf

DOI

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IMEKO TC

TC5 - Hardness Measurement

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