Abstract
The influence of a solution treatment on the evolution of through-thickness texture gradients in a low carbon steel was studied. In order to intensify through-thickness variations of the strain state, the samples were cold rolled dry, i.e. without lubrication. The evolution of the texture and the microstructure during rolling and recrystallization was tracked by X-ray texture analysis and TEM microstructure investigations. The strain distribution during rolling was simulated for several layers of the rolled sheets by the finite element method. After the rolling deformation, a specimen taken directly from the hot band showed pronounced through-thickness texture gradients, whereas the solution treated specimen showed a rather uniform rolling texture in all layers analyzed. Analysis of the friction behaviour between the different specimens and the roll material points to a much higher friction between the softer hot band and the rolls. This leads to stronger through-thickness variations in the strain state and, thus, to the pronounced texture gradients observed. The texture gradients in the recrystallized samples reflected those of the as-rolled sheets. In the center layer of the hot band specimen and in all layers of the solution treated specimen characteristic though notably weakened typical plane strain recrystallization textures formed; the textures in outer layers of the hot band sample were even almost random. These weak recrystallization textures could be attributed to the highly inhomogeneous as-deformed microstructure.
| Original language | English |
|---|---|
| Pages (from-to) | 239-248 |
| Number of pages | 10 |
| Journal | Steel Research |
| Volume | 71 |
| Issue number | 6-7 |
| Publication status | Published - 2000 Jun 1 |
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ASJC Scopus subject areas
- Metals and Alloys
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Influence of a solution treatment on the evolution of through-thickness texture gradients in dry cold rolled and recrystallized low carbon steel. / Huh, Moo Young; Kim, Hyun Chul; Engler, Olaf.
In: Steel Research, Vol. 71, No. 6-7, 01.06.2000, p. 239-248.Research output: Contribution to journal › Article
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TY - JOUR
T1 - Influence of a solution treatment on the evolution of through-thickness texture gradients in dry cold rolled and recrystallized low carbon steel
AU - Huh, Moo Young
AU - Kim, Hyun Chul
AU - Engler, Olaf
PY - 2000/6/1
Y1 - 2000/6/1
N2 - The influence of a solution treatment on the evolution of through-thickness texture gradients in a low carbon steel was studied. In order to intensify through-thickness variations of the strain state, the samples were cold rolled dry, i.e. without lubrication. The evolution of the texture and the microstructure during rolling and recrystallization was tracked by X-ray texture analysis and TEM microstructure investigations. The strain distribution during rolling was simulated for several layers of the rolled sheets by the finite element method. After the rolling deformation, a specimen taken directly from the hot band showed pronounced through-thickness texture gradients, whereas the solution treated specimen showed a rather uniform rolling texture in all layers analyzed. Analysis of the friction behaviour between the different specimens and the roll material points to a much higher friction between the softer hot band and the rolls. This leads to stronger through-thickness variations in the strain state and, thus, to the pronounced texture gradients observed. The texture gradients in the recrystallized samples reflected those of the as-rolled sheets. In the center layer of the hot band specimen and in all layers of the solution treated specimen characteristic though notably weakened typical plane strain recrystallization textures formed; the textures in outer layers of the hot band sample were even almost random. These weak recrystallization textures could be attributed to the highly inhomogeneous as-deformed microstructure.
AB - The influence of a solution treatment on the evolution of through-thickness texture gradients in a low carbon steel was studied. In order to intensify through-thickness variations of the strain state, the samples were cold rolled dry, i.e. without lubrication. The evolution of the texture and the microstructure during rolling and recrystallization was tracked by X-ray texture analysis and TEM microstructure investigations. The strain distribution during rolling was simulated for several layers of the rolled sheets by the finite element method. After the rolling deformation, a specimen taken directly from the hot band showed pronounced through-thickness texture gradients, whereas the solution treated specimen showed a rather uniform rolling texture in all layers analyzed. Analysis of the friction behaviour between the different specimens and the roll material points to a much higher friction between the softer hot band and the rolls. This leads to stronger through-thickness variations in the strain state and, thus, to the pronounced texture gradients observed. The texture gradients in the recrystallized samples reflected those of the as-rolled sheets. In the center layer of the hot band specimen and in all layers of the solution treated specimen characteristic though notably weakened typical plane strain recrystallization textures formed; the textures in outer layers of the hot band sample were even almost random. These weak recrystallization textures could be attributed to the highly inhomogeneous as-deformed microstructure.
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UR - http://www.scopus.com/inward/citedby.url?scp=0034202754&partnerID=8YFLogxK
M3 - Article
AN - SCOPUS:0034202754
VL - 71
SP - 239
EP - 248
JO - Steel Research International
JF - Steel Research International
SN - 1611-3683
IS - 6-7
ER -