α 2 ̅ ̅ (0 0 0 2) − ∥ (1 1 1) δ [1 1 2 0] α−Zr ∥ (1 1 0) Thus, for homogenous nucleation ( α {0 0 0 2} αZr , , < 33 22 11 ̅ ̅ 1 1 2 0 > < 1 1 0 0 > < 0 0 0 1 > 1 2 3