Through-Thickness Texture Gradient in Hot-Rolled 25Mn-2. 5Si-2Al TWIP Steel

Texture is one of the important factors affecting sheet metal forming performance. The through-thickness texture gradient during the hot-rolling process of twinning induced plasticity (TWIP) steel sheet was investigated using electron backscatter diffraction and X-ray diffraction. With increasing re...

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Bibliographic Details
Published in:Journal of iron and steel research, international international, 2013-04, Vol.20 (4), p.46-53
Main Authors: Su, Yu, Li, Lin, Fu, Ren-yu
Format: Article
Language:English
Subjects:
Applied and Technical Physics
Engineering
Machines
Manufacturing
Materials Engineering
Materials Science
Metallic Materials
Physical Chemistry
Processes
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Summary:Texture is one of the important factors affecting sheet metal forming performance. The through-thickness texture gradient during the hot-rolling process of twinning induced plasticity (TWIP) steel sheet was investigated using electron backscatter diffraction and X-ray diffraction. With increasing reduction of the TWIP steel, the fraction of 21 decreased, whereas the fractions of 23, 29, and 227 increased. During 53% reduction, a similar trend could be found from its surface to the center. The gradients of intensities of the fibers decreased with increasing hot-rolling reduction. The intensities of face-centered cubic (fcc) shear textures E and Y were higher in the center than that at the surface for both reductions. During 20% reduction, the intensity of fcc plain strain texture S orientation increased from the center to the surface.
ISSN:1006-706X
2210-3988
DOI:10.1016/S1006-706X(13)60081-3