Evolution of through-thickness texture gradients in various steel sheets |
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Authors: | Moo-Young Huh Hyun-Chul Kim Jong-Jin Park Olaf Engler |
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Affiliation: | (1) Division of Materials Science and Engineering, Korea University, 5-1 Anam-dong, 136-701 Seongbuk-ku, Seoul, Korea;(2) Department of Mechanical Engineering, Hong-Ik University, 72-1 Sangsu-dong, 121-791 Mapo-ku, Seoul, Korea;(3) Los Alamos National Laboratory, Center for Materials Science, 87545 Los Alamos, NM, USA |
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Abstract: | In order to investigate the evolution of through-thickness texture gradients in various ferritic steel sheets, samples of
a deep drawing steel, a ferritic stainless steel and a low carbon steel were deformed by cold rolling with and without application
of a lubricant during the deformation process. The hot band texture of all samples examined showed notable through-thickness
texture gradients. The evolution of the cold rolling texture in the ferritic stainless steel and the low carbon steel in a
solution-treated state was nearly independent of the lubrication during rolling. However, in the deep drawing steel and the
as-received low carbon steel, the lubrication played an important role in the formation of the through-thickness texture gradients.
Whereas the samples rolled with lubrication showed uniform textures throughout the sheet thickness, in the samples rolled
without lubrication pronounced shear textures were observed on the sheet surface. The evolution of these through-thickness
texture gradients is discussed in terms of inhomogeneous strain states computed by an FEM model.
This article is based on a presentation made in the symposium “ ’99 International Symposium on Textures of Materials”, held
at Sunchun National University, Sunchun, April 21–22, 1999 under the auspices of The Korean Institute of Metals and Materials
and The Research and Development Center for Automobile’s Parts and Materials. |
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Keywords: | texture texture gradient deep drawing steel low carbon steel ferritic stainless steel FEM |
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