On the angular distribution of slip lines in polycrystalline aluminum alloy

John M. Hedgepeth, S. B. Batdorf, J. Lyell Sanders, Jr.
December 1951

A rather wide distribution in the angular orientation of slip lines is generally observed in various grains of a metal subjected to plastic deformation. The relative frequency of occurrence of any given slip line angle for the case of simple tension has been derived on the basis of a model of a plastically deforming polycrystal that was recently used as the basis of a theory of polyaxial stress-strain relations (the so-called slip theory of plasticity). The results are compared with experiment and conclusions are drawn as to the limitations of the model.

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