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  Texture evolution in the Fe–30.5Mn–8.0Al–1.2C and Fe–30.5Mn–2.1Al–1.2C steels upon cold rolling

Souza, F. M., Padilha, A. F., Gutiérrez-Urrutia, I., & Raabe, D. (2016). Texture evolution in the Fe–30.5Mn–8.0Al–1.2C and Fe–30.5Mn–2.1Al–1.2C steels upon cold rolling. Revista Escola de Minas, 69(1), 59-65. doi:10.1590/0370-44672015690122.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0001-B994-7 Version Permalink: http://hdl.handle.net/21.11116/0000-0001-B995-6
Genre: Journal Article

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 Creators:
Souza, Fabrício Mendes1, Author              
Padilha, Angelo Fernando2, Author              
Gutiérrez-Urrutia, Ivan3, Author              
Raabe, Dierk4, Author              
Affiliations:
1Secretaria de Estado de Educação de Minas Gerais, Belo Horizonte, Minas Gerais, Brazil, persistent22              
2Universidade de São Paulo – USP, Escola Politécnica, Departamento de Engenharia Metalúrgica e de Materiais, São Paulo, São Paulo, Brazil, persistent22              
3Research Center for Strategic Materials, National Institute for Materials Science, 1-2-1 SengenTsukuba-city, Ibaraki, Japan, ou_persistent22              
4Microstructure Physics and Alloy Design, Max-Planck-Institut für Eisenforschung GmbH, Max Planck Society, ou_1863381              

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Free keywords: alloy; aluminum; brass; carbon; diffraction; magnesium; reduction; shear strength; steel; texture; twinning
 Abstract: Crystallographic textures of the austenitic low-density Fe-30.5Mn-8.0Al-1.2C (8Al) and Fe-30.5Mn-2.1Al-1.2C (2Al) (wt.) steels were examined during cold rolling by means of electron backscatter diffraction (EBSD) and electron channeling contrast imaging (ECCI). Random oriented grains orient towards Goss- and brass-components along the α-fiber as the strain increased, with activation of slip, mechanical twinning, and shear banding, for both steels. S- and copper-orientations were also observed in the 8Al steel at 50 reduction. The route of Cu-CuT-Gossbrass texture evolution was found in the 2Al alloy. Cu, Goss, and brass textures occur as a dominant texture in the deformed 8Al alloy. Copper-type texture accompanied with slip at low reduction (20), as well as Cu-type shear bands, and shear banding inside Goss-oriented grains at higher reduction (50), were observed in the 8Al steel. It is suggested that this copper-type rolling texture may be attributed to the Al addition, which contributes to its low twinning activity compared to that in the 2Al alloy. Cu-CuT-brass f.c.c. rolling texture transition to form the Brass-type texture was observed at higher reduction in the 2Al alloy with strong similarity to that found in other Fe-Mn-C system TWIP steels. © 2016, Escola de Minas. All rights reserved.

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Language(s): eng - English
 Dates: 2016-03
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Method: Peer
 Identifiers: DOI: 10.1590/0370-44672015690122
BibTex Citekey: Souza201659
 Degree: -

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Title: Revista Escola de Minas
Source Genre: Journal
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Publ. Info: Escola de Minas
Pages: - Volume / Issue: 69 (1) Sequence Number: - Start / End Page: 59 - 65 Identifier: ISSN: 03704467
CoNE: https://pure.mpg.de/cone/journals/resource/03704467