Abstract
The cold rolling of metal sheets and strips results in the formation of an inhomogeneous texture. The type and sharpness of texture in layers and the degree of inhomogeneity depend on the friction between rolls and the material and the geometry of the rolling gap. Contrary to the opinion of several authors, it is shown that the inhomogeneity of texture appears not only in the case of small values of thel/h ratio (l/h characterizes the geometry of the rolling gap) but also in the case of large values whenl/h > 5. In the first case shear texture forms in the intermediate layers of the rolled sheet while in the second, in its outer layers. The results of experiments carried out on aluminum, silver and 70/30 brass clearly show that the sensitivity of metals and alloys to the formation of an inhomogeneous texture is caused by their flow characteristics: yield strength (Y) and the work hardening exponent (m). High values ofY andm will tend to hinder the shear deformation, and consequently they will hinder the occurrence of inhomogeneity.
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Truszkowski, W., Kr’ol, J. & Major, B. Inhomogeneity of rolling texture in fcc metals. Metall Trans A 11, 749–758 (1980). https://doi.org/10.1007/BF02661204
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DOI: https://doi.org/10.1007/BF02661204