Complex Structural Effects in Deformed High-Manganese Steel

The research presented in this paper is part of a larger project concerning deformation behavior, microstructure and mechanical properties of high-manganese steels with different chemical compositions and processed under various conditions. The current investigation deals with the development of mic...

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Autores principales:	Joanna Kowalska, Janusz Ryś, Grzegorz Cempura
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	high-manganese steel strain induced phase transformation martensite microstructure texture Technology T Electrical engineering. Electronics. Nuclear engineering TK1-9971 Engineering (General). Civil engineering (General) TA1-2040 Microscopy QH201-278.5 Descriptive and experimental mechanics QC120-168.85
Acceso en línea:	https://doaj.org/article/a2bef7a3f07f44bcb85dcd83af9cd210
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spelling	oai:doaj.org-article:a2bef7a3f07f44bcb85dcd83af9cd2102021-11-25T18:14:51ZComplex Structural Effects in Deformed High-Manganese Steel10.3390/ma142269351996-1944https://doaj.org/article/a2bef7a3f07f44bcb85dcd83af9cd2102021-11-01T00:00:00Zhttps://www.mdpi.com/1996-1944/14/22/6935https://doaj.org/toc/1996-1944The research presented in this paper is part of a larger project concerning deformation behavior, microstructure and mechanical properties of high-manganese steels with different chemical compositions and processed under various conditions. The current investigation deals with the development of microstructure and crystallographic texture of Fe-21.2Mn-2.73Al-2.99Si steel deformed in tension until fracture at ambient temperature. The deformation process of the examined steel turned out to be complex and included not only dislocation slip and twinning but also strain induced phase transformations (γ → ε) and (γ → α′). The formation of ε-martensite with hexagonal structure was observed within the microstructure of the steel starting from the range of lower strains. With increasing deformation degree, the α′-martensite showing a cubic structure gradually began to form. Attempts have been made to explain the circumstances or conditions for the occurrence of the deformation mechanisms mentioned above and their impact on the mechanical properties. The obtained results indicate that the strength and plastic properties of the steel substantially exceed those of plain carbon steels. Since both, mechanical twinning and the strain-induced phase transformations took place during deformation, it seems that both types of deformation mechanisms contributed to an increase in the mechanical properties of the examined manganese steel.Joanna KowalskaJanusz RyśGrzegorz CempuraMDPI AGarticlehigh-manganese steelstrain induced phase transformationmartensitemicrostructuretextureTechnologyTElectrical engineering. Electronics. Nuclear engineeringTK1-9971Engineering (General). Civil engineering (General)TA1-2040MicroscopyQH201-278.5Descriptive and experimental mechanicsQC120-168.85ENMaterials, Vol 14, Iss 6935, p 6935 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	high-manganese steel strain induced phase transformation martensite microstructure texture Technology T Electrical engineering. Electronics. Nuclear engineering TK1-9971 Engineering (General). Civil engineering (General) TA1-2040 Microscopy QH201-278.5 Descriptive and experimental mechanics QC120-168.85
spellingShingle	high-manganese steel strain induced phase transformation martensite microstructure texture Technology T Electrical engineering. Electronics. Nuclear engineering TK1-9971 Engineering (General). Civil engineering (General) TA1-2040 Microscopy QH201-278.5 Descriptive and experimental mechanics QC120-168.85 Joanna Kowalska Janusz Ryś Grzegorz Cempura Complex Structural Effects in Deformed High-Manganese Steel
description	The research presented in this paper is part of a larger project concerning deformation behavior, microstructure and mechanical properties of high-manganese steels with different chemical compositions and processed under various conditions. The current investigation deals with the development of microstructure and crystallographic texture of Fe-21.2Mn-2.73Al-2.99Si steel deformed in tension until fracture at ambient temperature. The deformation process of the examined steel turned out to be complex and included not only dislocation slip and twinning but also strain induced phase transformations (γ → ε) and (γ → α′). The formation of ε-martensite with hexagonal structure was observed within the microstructure of the steel starting from the range of lower strains. With increasing deformation degree, the α′-martensite showing a cubic structure gradually began to form. Attempts have been made to explain the circumstances or conditions for the occurrence of the deformation mechanisms mentioned above and their impact on the mechanical properties. The obtained results indicate that the strength and plastic properties of the steel substantially exceed those of plain carbon steels. Since both, mechanical twinning and the strain-induced phase transformations took place during deformation, it seems that both types of deformation mechanisms contributed to an increase in the mechanical properties of the examined manganese steel.
format	article
author	Joanna Kowalska Janusz Ryś Grzegorz Cempura
author_facet	Joanna Kowalska Janusz Ryś Grzegorz Cempura
author_sort	Joanna Kowalska
title	Complex Structural Effects in Deformed High-Manganese Steel
title_short	Complex Structural Effects in Deformed High-Manganese Steel
title_full	Complex Structural Effects in Deformed High-Manganese Steel
title_fullStr	Complex Structural Effects in Deformed High-Manganese Steel
title_full_unstemmed	Complex Structural Effects in Deformed High-Manganese Steel
title_sort	complex structural effects in deformed high-manganese steel
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/a2bef7a3f07f44bcb85dcd83af9cd210
work_keys_str_mv	AT joannakowalska complexstructuraleffectsindeformedhighmanganesesteel AT januszrys complexstructuraleffectsindeformedhighmanganesesteel AT grzegorzcempura complexstructuraleffectsindeformedhighmanganesesteel
_version_	1718411456013139968

Complex Structural Effects in Deformed High-Manganese Steel

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