Investigation on the Recrystallization Mechanism in Warm-Rolled Ti-IF Steel

Guo, Yanhui; Wang, Zhaodong; Wei, Liqun

doi:10.1007/s11665-014-0884-0

Cited by 7 publications

(3 citation statements)

References 23 publications

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“…13a) almost disappeared within seconds. Besides, the nucleation of {554}<225> type grains also easily took place at prior grain boundaries such as the positions E 1 and E 2 where {112}<110> orientation neighbours on {001}<110> orientation, this coincided with the results [43] that the prior grain boundaries accumulated higher stored energy compared with other grain boundaries, were considered to be favourable nucleation sites for recrystallized grains with γ-fibre orientations [44,45]. After nucleation, these new born γ-fibre grains would sweep up the non-recrystallized regions on both sides and even formed the recrystallized chain-like zones, as marked by the enclosed dash-rectangle area E 2 within RD-ND plane.…”

Section: Texture Transformation and Corresponding Microstructure Evol...supporting

confidence: 62%

“…After nucleation, these new born γ-fibre grains would sweep up the non-recrystallized regions on both sides and even formed the recrystallized chain-like zones, as marked by the enclosed dash-rectangle area E 2 within RD-ND plane. In addition to the nucleation from shear bands and grain boundaries, it is also found that the grains with γ-fibre orientations could simultaneously or separately recrystallize from the deformation α-fibre regions through oriented nucleation [5,45]; thus, three areas F i=1,2 and G were selected from Fig. 13a, b to clarify the details of oriented nucleation in this study.…”

Section: Texture Transformation and Corresponding Microstructure Evol...mentioning

confidence: 99%

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Synergic Evolution of Microstructure-Texture-Stored Energy in Rare-Earth-Added Interstitial-Free Steels Undergoing Static Recrystallization

Liu

Huang

Yang

et al. 2022

Acta Metall. Sin. (Engl. Lett.)

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Synergic evolution of microstructure-texture-stored energy in interstitial-free (IF) steels has been investigated to elaborate the effect of dissolved rare-earth (RE) elements on static recrystallization. Grain size, texture fraction and geometrically necessary dislocation distribution of IF steel samples annealed for different times were compared, suggesting that RE elements could postpone recrystallization nucleation but accelerate grain coarsening. The visco-plastic self-consistent model was primarily adopted and verified, then used to calculate the relative activities of different slip systems. It was proved that the compatible deformation of IF steels was very sensitive to dissolved RE elements, in particular the {110} 6 <111> 2 slip systems became extremely inactive, leading to an α-fibre textures rich configuration of RE-IF steels. Although both IF steels have the same stored energy sequence of which γ-fibre takes precedence in nucleation followed by α-fibre, the nucleation rates of α/γ-fibres driven by the reduced stored energy slowed down in RE-IF steels. Further nucleation-path analyses revealed that shear bands within γ-fibre mainly sacrificed for grain nucleation of {111}<110> orientation, while α-fibre especially prior grain boundaries therein preferred supplying nucleation sites for {554}<225> grains, which accounting for the competitive growth of γ-fibre textures in RE-IF steels rather than being dominated by a single orientation. After grain growth, the major texture of Normal-IF steels had been transferred to {554}<225> from {111}<110>, while {554}<225> in RE-IF steels still inherited the orientation advantage and grew up rapidly, thus inducing the grain coarsening. As this work offers a significant understanding of RE microalloying effect on static recrystallization, it will provide references for alloy design and industrial application of IF steels.

show abstract

Section: Texture Transformation and Corresponding Microstructure Evol...supporting

confidence: 62%

Section: Texture Transformation and Corresponding Microstructure Evol...mentioning

confidence: 99%

Synergic Evolution of Microstructure-Texture-Stored Energy in Rare-Earth-Added Interstitial-Free Steels Undergoing Static Recrystallization

Liu

Huang

Yang

et al. 2022

Acta Metall. Sin. (Engl. Lett.)

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show abstract

“…Thus, the recrystallization mechanism of the shear bands was more likely to be subgrain coalescence, and the subgrains were elongated in the shear bands. Unlike equiaxial subgrains, elongated subgrains quickly accumulate large misorientations with the surrounding matrix in the process of coalescence [21,22]. In summary, recrystallization nucleation preferentially occurs at shear bands due to its high dislocation density and special nucleation mechanism in warm rolled plates.…”

Section: Nucleation and Recrystallization In Shear Bandsmentioning

confidence: 99%

Recrystallization Behavior of Warm Rolling and Cold Rolling Cr-Ti-B Steel during Annealing

Huang

Wang

Yuan

et al. 2022

Metals

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To study the nucleation and recrystallization behavior of deformation bands, shear bands and grain boundaries during the recrystallization process, a heat treatment test was carried out on Cr-Ti-B low-carbon steel after warm rolling and cold rolling. The results show that recrystallization occurs preferentially in shear bands and grain boundaries. The γ deformation texture can be enhanced and the Goss texture can be weakened during the warm rolling and subsequent cold rolling process. Recrystallization of the deformation bands was observed, but the nucleation time of recrystallization in the deformation band is much slower than that in the shear band and grain boundary.

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Static Recrystallization Behavior of Z12CN13 Martensite Stainless Steel

Luo

Zhou

et al. 2017

J. of Materi Eng and Perform

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Investigation on the Recrystallization Mechanism in Warm-Rolled Ti-IF Steel

Cited by 7 publications

References 23 publications

Synergic Evolution of Microstructure-Texture-Stored Energy in Rare-Earth-Added Interstitial-Free Steels Undergoing Static Recrystallization

Synergic Evolution of Microstructure-Texture-Stored Energy in Rare-Earth-Added Interstitial-Free Steels Undergoing Static Recrystallization

Recrystallization Behavior of Warm Rolling and Cold Rolling Cr-Ti-B Steel during Annealing

Static Recrystallization Behavior of Z12CN13 Martensite Stainless Steel

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