The peculiarities of the splitting of grain-boundary disclinations in such solids were considered. The 3 basic forms of this splitting (planar, 3-fold star, circle) were examined. It was shown that planar splitting decreased the probability of micro-crack generation at grain boundaries.

M.J.Gutkin, K.N.Mikaelyan, I.A.Ovidko: Physica Status Solidi A, 1996, 153[2], 337-46