Effects of asymmetric rolling with tilted material entry on texture and mechanical properties of aluminium

被引:0
|
作者
Byrska-Wojcik, D. [1 ]
Ostachowska, M.
Gibek, J. [1 ,2 ]
Wierzbanowski, K. [1 ,2 ]
Wrobel, M.
Bloniarz, R.
Baczmanski, A. [2 ]
Kopyscianski, M. [1 ]
Kalemba-Rec, I.
机构
[1] AGH Univ Krakow, Fac Met Engn & Ind Comp Sci, Al Mickiewicza 30, PL-30059 Krakow, Poland
[2] AGH Univ Krakow, Fac Phys & Appl Comp Sci, Al Mickiewicza 30, PL-30059 Krakow, Poland
关键词
Asymmetric rolling; Crystalline deformation models; Texture; Finite element method; X-ray diffraction; SELF-CONSISTENT; DEFORMATION; PLASTICITY; HOMOGENIZATION; POLYCRYSTALS; SIMULATION;
D O I
10.1016/j.jmatprotec.2025.118796
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
This research focuses on optimizing rolling geometry to achieve a uniform texture throughout the thickness of aluminium alloy 1050 plates. Traditional symmetric rolling techniques often lead to non-homogeneous textures; therefore, the study explores asymmetric rolling and its variations as potential solutions. In this investigation, asymmetric rolling was implemented by using rolls of differing diameters that rotate at the same angular velocity, along with adjusting the inclination of the rolled strip, either flat or tilted, as it enters the rolls. A thickness reduction of 84 % was achieved over six rolling passes. The resulting crystallographic texture variations within the rolled material were analysed through X-ray diffraction and predicted using the Finite Element Method (FEM) in conjunction with two crystalline deformation models. The findings reveal that the texture modifications induced by the shear strain and stress components during asymmetric rolling lead to shifts in selected texture maxima in the orientation space. These variations in texture distribution across the material's thickness have a direct impact on its mechanical properties, which were assessed through tensile testing. A key contribution of this work is its examination of how the angle of material entry influences texture homogenization during multipass asymmetric rolling, as well as its effect on the mechanical characteristics of the final product. The study concludes by identifying the most effective rolling configurations, providing practical recommendations for industrial applications.
引用
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页数:18
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