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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2014.1
- 수록면
- 647 - 652 (6page)
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Al-Si-Mg aluminum alloys were asymmetrically cold-rolled using differential speed rolling mills. The texturaland microstructural evolution with the consecutive working sequence was investigated using an electronbackscatter diffraction. There were texture and microstructure variations with the speed ratio and a reductionin the area. Strongly-developed recrystallized cube orientations, {100}<001>, remained during symmetric rolling. The weakened cube orientation mainly changed into random orientations during subsequent annealing, and asmall amount of cube orientations remained. However, during asymmetric rolling with a speed ratio of 2,the shear deformation penetrated through the entire thickness direction, and a strong shear texture of rotatedcube, {100}<011>, developed. The distinct shear texture was recrystallized into {356}<0 17 14> components. The mechanical properties of the symmetrically- and asymmetrically-fabricated sheets were compared witheach other. More balanced planar isotropic values of strength and elongation were obtained from the symmetrically-fabricated sheets, which are mainly due to the weakened random texture.
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