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Article

Open Access

Physical Properties of the Function and Number of Empirical Macrohardness of the Material: Universal Physical Unit of Measurement of Macro Hardness (Part 2)

Author(s)

Shtyrov Nikolay

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DOI:10.17265/2159-5275/2023.03.003

Affiliation(s)

Private Research and production Company “LYU”, Nikolayev 54020, PO Box 86, Ukraine

ABSTRACT

Results of analytical studies of the physical properties of the function and number of empirical macrohardness based on the standard experimental force diagram of kinetic macroindentation by a sphere. An analytical comparison method and a criterion for the similarity of the physical and empirical macrohardness of a material are proposed. The physical properties of the hardness measurement process using the Calvert-Johnson method are shown. The physical reasons for the size effect when measuring macrohardness are considered. The universal physical unit and standard of macrohardness of kinetic macroindentation by a sphere is substantiated.

KEYWORDS

Physical theory of kinetic indentation, method for determining the function and number of physical macrohardness, ratio of empirical and physical macrohardness of a material, universal physical unit of macrohardness.

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