Answer
The grain orientations of many polycrystalline materials are random before any working or deformation is done. Even if the the individual grains of polycrystalline materials may be anisotropic, the property differences tend to average out and will behave isotropically.
Work Step by Step
The grain orientations of many polycrystalline materials are random before any working or deformation is done. Even if the the individual grains of polycrystalline materials may be anisotropic, the property differences tend to average out and will behave isotropically.
