Substantiation of the ratio of the sample thickness to the indentation depth in hardness measurements
- Authors: Matyunin V.M.1, Marchenkov A.Y.1, Terent’ev E.V.1, Demidov A.N.1
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Affiliations:
- Moscow Power Engineering Institute
- Issue: Vol 2016, No 13 (2016)
- Pages: 1249-1252
- Section: Methods of Studying the Structure and Properties of Materials
- URL: https://journals.rcsi.science/0036-0295/article/view/171135
- DOI: https://doi.org/10.1134/S0036029516130103
- ID: 171135
Cite item
Abstract
The depths to which plastic deformation occurs under ball indentation of a steel plate at various loads is determined. It is established that the ratio of the depth that plastic deformation reaches to the indentation depth is constant (approximately 15) independently of the indentation load. This finding allows us to conclude that this ratio should be held no less than 15 in hardness measurements. Experiments demonstrate that the lower the hardness of the metal substrate, the larger the decrease in the measured hardness when the ratio is lower than 15.
About the authors
V. M. Matyunin
Moscow Power Engineering Institute
Author for correspondence.
Email: MatiuninVM@mpei.ru
Russian Federation, Moscow, 111250
A. Yu. Marchenkov
Moscow Power Engineering Institute
Email: MatiuninVM@mpei.ru
Russian Federation, Moscow, 111250
E. V. Terent’ev
Moscow Power Engineering Institute
Email: MatiuninVM@mpei.ru
Russian Federation, Moscow, 111250
A. N. Demidov
Moscow Power Engineering Institute
Email: MatiuninVM@mpei.ru
Russian Federation, Moscow, 111250
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