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- Title
The Formation of the {112}<111> Shear Texture in Hot‐Rolled Sheets of Electrical Steels.
- Authors
Tang, Yuqin; Yang, Ping; Jiang, Weining; Wang, Huanzhu; Li, Zhichao; Gu, Xinfu
- Abstract
Due to the friction between rolls and sheet surface, shear texture inevitably occurs in the surface layer of the hot‐rolled sheets in electrical steel. The shear texture contains Goss texture {110}<001>, brass texture {110}<112>, and copper texture {112}<111>. The existence of shear texture and its corresponding microstructure affect the texture distribution in the subsequent normalized sheets, cold‐rolled sheets, and final sheets. Electron backscattered diffraction and reaction stress model are used herein to study the formation conditions of {112}<111> orientation in the hot‐rolled sheets. The results show that initial rotated cube orientation tends to rotate around transverse direction to the copper orientation during hot rolling due to the shear action. Different shear orientations can be formed in different regions of an initial coarse columnar grain during hot rolling, because of the change in surrounding environment reaction and the difference of the shear strain at different thickness positions. The thinner the hot‐rolled sheet is, the smaller the dynamic recrystallization region with shear orientation, and there is almost no copper texture in the thinnest hot‐rolled sheet. The simulation results show that the copper texture is easy to form under the action of σ23 and σ22 reaction stresses.
- Subjects
ELECTRICAL steel; HOT rolling; SHEET-steel; SHEAR strain; COPPER; ROLLING friction
- Publication
Steel Research International, 2023, Vol 94, Issue 9, p1
- ISSN
1611-3683
- Publication type
Article
- DOI
10.1002/srin.202200939