Hardness measuring in the scientific periodicals

Abstract

Hardness is measure of resistance of body to penetration in him other body. So a standard
determines the most accessible and widespread type of mechanical tests of materials ASTM.
Description of methods and results of measuring of hardness, driven to educational literature and
scientific articles, often fall short of to the requirements of corresponding standards.
Aim of the article to pay attention to authors implementation of requirements of state
standards in area of measuring of hardness of metals and alloys at description of methods and
pointing of results of tests. To provide comparableness of results of measuring resulted by different
authors in the articles and rightness of choice of terms of test at measuring of hardness of metals,
especially their skims and coverages.
To the article formulas on that determine hardness are driven, and the rules of registration of results
of tests are indicated on Brinell,Vickers, and also new method of measuring of hardness on Kotrechko.
Resulted to recommendation on introduction of method of measuring of hardness on
Kotrechko or the receipt of results analogical to hardness on Vickers.
The method of conclusion of unit of hardness is shown and reason is indicated inaccuracies
in denotations of results of measuring. Testing (loading, parameters of indenter and time of
appendix of loading) terms are needed at measuring of microhardness of skims and coverages.