Taylor-Type Simulation of the Rolling Texture of Pure Aluminum Taking into Account the Initial Texture

Chen, Zhi Yong; Zhang, Xin Ming; Du, Yu Xuan; Yao, Zongyong; Liu, Chu Ming

doi:10.4028/www.scientific.net/msf.408-412.475

Cited by 5 publications

(6 citation statements)

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“…metal with usual twelve {111}<110> slip systems. Usual ambiguity of selecting active systems in Taylor-Type model is approached in the way of rate sensitive hard for FC-Taylor model suggested in literature [2] and the minimum sum of shear displacement gradient for RC-Taylor model suggested by Chen and Zhang [6]. The misorientation angles between the simulated orientations and the characteristic orientations of various zones in Fig2.…”

Section: Resultsmentioning

confidence: 99%

“…Taylor crystal plasticity theory has been widely weed to analyze texture in deformed poly-crystal aggregate, in which each grain rotation is uniform by the assumption of homogeneous displacement gradient within individual grains [1][2][3][4][5][6] . However, some literatures have demonstrated the heterogeneity of the local orientation within individual deformed grains, although the effects of grain orientation and shape have been shown to account for grain subdivisions, which has attracted considerable research interest in recent years [7][8][9][10][11][12] .…”

Section: Introductionmentioning

confidence: 99%

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Evolution of Micro-Textures within Individual Grains in Rolled Polycrystal Aluminum

Deng

Zhang

2007

MSF

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Local orientation distributions of two neighbouring grains initially orientated near (01l)[100] and (210)[001], in a pure Al poly-crystal aggregate rolled by a reduction of 65% at room temperature have been investigated using electron backscatter diffraction (EBSD) technique. It was found that the rotation angles of zones adjacent to both sides of initial boundary (BP) are less than that of zones remote from the boundary (IP), which reveals that rotation incompatibility and heterogeneity of local orientations within individual grains during rolling. A type of improved Taylor type crystal plasticity models, in which an added prescribed shear (APS) depending on distances from grain boundary proposed, was established to illustrate development of micro-textures in each grain. The results simulated by the APS-Taylor models well agree with the micro-textures examined by EBSD.

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Section: Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Evolution of Micro-Textures within Individual Grains in Rolled Polycrystal Aluminum

Deng

Zhang

2007

MSF

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“…Initial texture can influence subsequent rolling texture evolution, but will disappear after a critical reduction if it is unstable against deformation. 14,15) The present research reports that the -fiber development is very sluggish even after 92% reduction for the case of an extremely strong initial cube texture and abnormally coarse initial grain structure. Because the initial state before cold rolling was cold rolled to a large reduction in the previous step, it concurrently possessed a high intensity of cube texture.…”

Section: Hot Rolled To 9mmmentioning

confidence: 94%

Evolution of Rolling Textures of Cold Rolled Copper Foils

et al. 2009

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The texture evolution of cold rolled tough pitch copper foils could be changed by altering the initial texture and microstructure before cold rolling. The development of -fiber texture was substantially suppressed even after 92% reduction for the case of abnormally coarse initial grain structure and extremely strong initial cube texture. Instead, the intensity of cube and RD (rolling direction)-rotated cube texture components was increased continuously by increasing the intensity of the initial cube texture.

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“…in f.c.c. metal Al with high stacking faulting energy have been [1][2][3][4][5][6], and showed that inhomogeneity of subdivisions or local orientations within individual deformed grains was strongly dependent to initial grains orientations. However, effect of initial grain boundaries or/and newly formed high angle boundaries, generally more than 15 deg, on rotations of adjacent neighbor grains remained some ambiguous, although it was very important to understand subdivisions of deformed grains, even following recovery and recrystalization [7][8][9][10][11][12].…”

Section: Introductionmentioning

confidence: 99%

Characters of Coarse Grains Subdivisions in Rolled Polycrystalline Al

Hu¹,

Zhang

Deng

2007

MSF

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Deformation microstructures and micro-orientations of columnar grains with different orientations in a polycrystalline high purity Al cold-rolled up to 65% (thickness reduction) were investigated using electron backscatter diffraction (EBSD) technique. It was found that rotations were Inhomogeneous within the individual grains, the rotation angles of the parts close to the initial boundaries (BPs) were smaller than those remote from the boundaries (IPs), e.g. the deviation angles between the BPs and the IPs were 5-6° in the grains with <001>//RD orientation, leading to the rotation along the α-fiber, while the deviation angles were 5-12° in the grains with <121>//ND orientation rotating toward the β-fiber. These results demonstrated that the microstructures and local rotations of various parts within the rolled individual columnar grains were influenced by their initial orientations and boundaries.

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Taylor-Type Simulation of the Rolling Texture of Pure Aluminum Taking into Account the Initial Texture

Cited by 5 publications

References 0 publications

Evolution of Micro-Textures within Individual Grains in Rolled Polycrystal Aluminum

Evolution of Micro-Textures within Individual Grains in Rolled Polycrystal Aluminum

Evolution of Rolling Textures of Cold Rolled Copper Foils

Characters of Coarse Grains Subdivisions in Rolled Polycrystalline Al

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