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Asymmetric rolling of interstitial-free steel using differential roll diameters. Part I : mechanical properties and deformation textures

Orlov, Dmitry, Pougis, Arnaud, Lapovok, Rimma, Toth, Laszlo S., Timokhina, Ilana B., Hodgson, Peter D., Haldar, Arunansu and Bhattacharjee, Debashish 2013, Asymmetric rolling of interstitial-free steel using differential roll diameters. Part I : mechanical properties and deformation textures, Metallurgical and materials transactions A, vol. 44, no. 9, pp. 4346-4359, doi: 10.1007/s11661-013-1791-y.

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Title Asymmetric rolling of interstitial-free steel using differential roll diameters. Part I : mechanical properties and deformation textures
Author(s) Orlov, Dmitry
Pougis, Arnaud
Lapovok, Rimma
Toth, Laszlo S.
Timokhina, Ilana B.
Hodgson, Peter D.
Haldar, Arunansu
Bhattacharjee, Debashish
Journal name Metallurgical and materials transactions A
Volume number 44
Issue number 9
Start page 4346
End page 4359
Total pages 14
Publisher Springer
Place of publication Berlin, Germany
Publication date 2013
ISSN 1073-5623
1543-1940
Summary IF steel sheets were processed by conventional symmetric and asymmetric rolling (ASR) at ambient temperature. The asymmetry was introduced in a geometric way using differential roll diameters with a number of different ratios. The material strength was measured by tensile testing and the microstructure was analyzed by optical and transmission electron microscopy as well as electron backscatter diffraction (EBSD) analysis. Texture was also successfully measured by EBSD using large surface areas. Finite element (FE) simulations were carried out for multiple passes to obtain the strain distribution after rolling. From the FE results, the velocity gradient along selected flow lines was extracted and the evolution of the texture was simulated using polycrystal plasticity modeling. The best mechanical properties were obtained after ASR using a roll diameter ratio of 2. The textures appeared to be tilted up to 12 deg around the transverse direction, which were simulated with the FE-combined polycrystal plasticity modeling in good agreement with measurements. The simulation work revealed that the shear component introduced by ASR was about the same magnitude as the normal component of the rolling strain tensor.
Language eng
DOI 10.1007/s11661-013-1791-y
Field of Research 109999 Technology not elsewhere classified
Socio Economic Objective 970110 Expanding Knowledge in Technology
HERDC Research category C1 Refereed article in a scholarly journal
Persistent URL http://hdl.handle.net/10536/DRO/DU:30055321

Document type: Journal Article
Collection: Institute for Frontier Materials
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