Analysis of methods for calculating the module of elasticity during dynamic instrumental indentation

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Resumo

The results of a comparative analysis of three methods for calculating the elastic modulus during dynamic instrumental indentation are presented: in accordance with GOST R 56474, GOST R 8.748 and the proposed original method based on data from optical analysis of the indentation using prepared samples of alloys 20Х25Н20С2, 20Х23Н18 and BrANZhNMts9-4-4- 1.

Sobre autores

K. Gogolinskii

NRC “Kurchatov Institute” — PINP

Autor responsável pela correspondência
Email: nanoscan@yandex.ru
Rússia, 188300 Gatchina, m-rayon Orlova roshcha, 1

A. Umanskii

Saint Petersburg Mining University

Email: refreshermd@gmail.com
Rússia, 199106 St Petersburg, 21st Line, 2

A. Golev

OOO«CONSTANTA»

Email: artemgolev1999@gmail.com
Rússia, 198097 St Petersburg, Ogorodnyj pereulok, 21

K. Doronin

Saint Petersburg Mining University

Email: doronin.k.i@mail.ru
Rússia, 199106 St Petersburg, 21st Line, 2

K. Tomsky

TKA Scientific Instruments LLC

Email: tka46@mail.ru
Rússia, 192289 St Petersburg, Freight passage, 33

Bibliografia

  1. Kren A.P., Protasenya T.A. Determination of the physic and mechanical characteristics of isotropic pyrolitic graphite by dynamic indentation method // Defectoskopya. 2014. No. 7. C. 51—59.
  2. Umanskii A.S., Gogolinskii K.V., Syasko V.A., Golev A.S. Modification of the Leeb Impact Device for Measuring Hardness by the Dynamic Instrumented Indentation Method // Inventions. 2022. V. 7. doi: 10.3390/inventions7010029
  3. GOST R 8.748—2011 (ISO 14577-1:2002) Metallic materials. Instrumented indentation test for hardness and materials parameters. Test method.
  4. GOST R 56474—2015. Space systems. Non-destructive testing of physics and mechanical properties of space technique’s materials and coatings by dynamic indentation. General requirements.
  5. GOST R 8.969—2019 State system for ensuring the uniformity of measurements. Metals and alloys. Leeb hardness test. Part 1: Test method.

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