The development of the method for identifying the hardening curves of materials based on the results of torsion tests of notched specimens

The article is devoted to studying the rheological properties of metals and alloys in a cold state. The method is proposed to identify the hardening curve of a material based on torsion tests of round specimens with a notch. Determining the hardening curve is based on measuring the coordinates of po...

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Autores principales:	Erpalov Mikhail, Panin Evgeny
Formato:	article
Lenguaje:	EN FR
Publicado:	EDP Sciences 2021
Materias:	Engineering (General). Civil engineering (General) TA1-2040
Acceso en línea:	https://doaj.org/article/8c8a8f4c2c3e4df1884759b8a4dc2d94
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spelling	oai:doaj.org-article:8c8a8f4c2c3e4df1884759b8a4dc2d942021-11-08T15:20:43ZThe development of the method for identifying the hardening curves of materials based on the results of torsion tests of notched specimens2261-236X10.1051/matecconf/202134602042https://doaj.org/article/8c8a8f4c2c3e4df1884759b8a4dc2d942021-01-01T00:00:00Zhttps://www.matec-conferences.org/articles/matecconf/pdf/2021/15/matecconf_icmtmte2021_02042.pdfhttps://doaj.org/toc/2261-236XThe article is devoted to studying the rheological properties of metals and alloys in a cold state. The method is proposed to identify the hardening curve of a material based on torsion tests of round specimens with a notch. Determining the hardening curve is based on measuring the coordinates of points on the surface of the specimen after testing and determining the corresponding value of the torque. Based on these values the coefficients in an equation for the stress-strain dependence can be determined by minimizing the derived functional. The paper proposes the algorithm for the numerical implementation of the new identification method. The results of the computer simulation confirmed its effectiveness.Erpalov MikhailPanin EvgenyEDP SciencesarticleEngineering (General). Civil engineering (General)TA1-2040ENFRMATEC Web of Conferences, Vol 346, p 02042 (2021)
institution	DOAJ
collection	DOAJ
language	EN FR
topic	Engineering (General). Civil engineering (General) TA1-2040
spellingShingle	Engineering (General). Civil engineering (General) TA1-2040 Erpalov Mikhail Panin Evgeny The development of the method for identifying the hardening curves of materials based on the results of torsion tests of notched specimens
description	The article is devoted to studying the rheological properties of metals and alloys in a cold state. The method is proposed to identify the hardening curve of a material based on torsion tests of round specimens with a notch. Determining the hardening curve is based on measuring the coordinates of points on the surface of the specimen after testing and determining the corresponding value of the torque. Based on these values the coefficients in an equation for the stress-strain dependence can be determined by minimizing the derived functional. The paper proposes the algorithm for the numerical implementation of the new identification method. The results of the computer simulation confirmed its effectiveness.
format	article
author	Erpalov Mikhail Panin Evgeny
author_facet	Erpalov Mikhail Panin Evgeny
author_sort	Erpalov Mikhail
title	The development of the method for identifying the hardening curves of materials based on the results of torsion tests of notched specimens
title_short	The development of the method for identifying the hardening curves of materials based on the results of torsion tests of notched specimens
title_full	The development of the method for identifying the hardening curves of materials based on the results of torsion tests of notched specimens
title_fullStr	The development of the method for identifying the hardening curves of materials based on the results of torsion tests of notched specimens
title_full_unstemmed	The development of the method for identifying the hardening curves of materials based on the results of torsion tests of notched specimens
title_sort	development of the method for identifying the hardening curves of materials based on the results of torsion tests of notched specimens
publisher	EDP Sciences
publishDate	2021
url	https://doaj.org/article/8c8a8f4c2c3e4df1884759b8a4dc2d94
work_keys_str_mv	AT erpalovmikhail thedevelopmentofthemethodforidentifyingthehardeningcurvesofmaterialsbasedontheresultsoftorsiontestsofnotchedspecimens AT paninevgeny thedevelopmentofthemethodforidentifyingthehardeningcurvesofmaterialsbasedontheresultsoftorsiontestsofnotchedspecimens AT erpalovmikhail developmentofthemethodforidentifyingthehardeningcurvesofmaterialsbasedontheresultsoftorsiontestsofnotchedspecimens AT paninevgeny developmentofthemethodforidentifyingthehardeningcurvesofmaterialsbasedontheresultsoftorsiontestsofnotchedspecimens
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The development of the method for identifying the hardening curves of materials based on the results of torsion tests of notched specimens

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