Abstract
The effect of texture and crystallographic alignment of precipitate particles on yield anisotropy are examined in an Al-Cu-Mg-Ag precipitation hardening alloy. Three variants of the plastic inclusion model, involving different degrees of relaxation of the axisymmetric strain requirement, were used to model yield anisotropy in this material. Comparing model results to yield anisotropy measurements for a C415 (Al-Cu-Mg-Ag) extrusion reveals that the best agreement is obtained when modest departures from axisymmetric strain are allowed.
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