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Analysis of texture and R value variations in asymmetric rolling of if steel

Tóth, Laszlo S., Beausir, Benoit, Orlov, Dmitry, Lapovok, Rimma and Haldar, Arunansu 2012, Analysis of texture and R value variations in asymmetric rolling of if steel, Journal of materials processing technology, vol. 212, no. 2, pp. 509-515, doi: 10.1016/j.jmatprotec.2011.10.018.

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Title Analysis of texture and R value variations in asymmetric rolling of if steel
Author(s) Tóth, Laszlo S.
Beausir, Benoit
Orlov, Dmitry
Lapovok, Rimma
Haldar, Arunansu
Journal name Journal of materials processing technology
Volume number 212
Issue number 2
Start page 509
End page 515
Total pages 7
Publisher Elsevier
Place of publication Amsterdam, The Netherlands
Publication date 2012-02
ISSN 0924-0136
Summary Asymmetric rolling (ASR) is a potential process to reach better grain refinement than in conventional rolling, thus, can lead to better mechanical properties. It is not known, however, how the introduction of a shear component will change the ideal orientations of the textures, and consequently, the evolution of plastic anisotropy. To understand the effect of the added shear on texture evolution in ASR, a stability analysis is carried out in orientation space and the variations in the position and strength of the ideal orientations are analysed as a function of the shear component. Then, modelling of R values is presented for various cases. On that basis, it is shown that there is an upper limit for the shear component in asymmetric rolling that still retains the 〈1 1 1〉 ND fibre (ND: direction normal to the sheet) which is good for formability. It is also found that better persistence of the ND fibre can be obtained by cyclically alternating the shear component. The theoretical results are well supported by comparison to experimental evidences. © 2011 Elsevier B.V. All rights reserved.
Language eng
DOI 10.1016/j.jmatprotec.2011.10.018
Field of Research 091207 Metals and Alloy Materials
0913 Mechanical Engineering
0912 Materials Engineering
0910 Manufacturing Engineering
Socio Economic Objective 970109 Expanding Knowledge in Engineering
ERA Research output type C Journal article
Copyright notice ©2012, Elsevier
Persistent URL http://hdl.handle.net/10536/DRO/DU:30075956

Document type: Journal Article
Collection: Institute for Frontier Materials
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