Journal
JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY
Volume 30, Issue 4, Pages 408-416Publisher
JOURNAL MATER SCI TECHNOL
DOI: 10.1016/j.jmst.2013.11.010
Keywords
Face-centered-cubic alloy; Texture; Rolling; Shear band
Funding
- National Natural Science Foundation of China [51101030]
- Fundamental Research Funds for the Central Universities [N100702001]
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Texture evolution in nickel, copper and alpha-brass that are representative of face-centered-cubic (fcc) materials with different stacking fault energy (SFE) during cold rolling was systematically investigated. X-ray diffraction, scanning electron microscopy and electron backscatter diffraction techniques were employed to characterize microstructures and local orientation distributions of specimens at different thickness reductions. Besides, Taylor and Schmid factors of the {111} < 110 > slip systems and {111} < 112 > twin systems for some typical orientations were utilized to explore the relationship between texture evolution and deformation microstructures. It was found that in fcc metals with low SFE at large deformations, the copper-oriented grains rotated around the < 110 > crystallographic axis through the brass-R orientation to the Goss orientation, and finally toward the brass orientation. The initiation of shear banding was the dominant mechanism for the above-mentioned texture transition.
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