A size-dependent composite-like model of internal stresses in heterogeneous microstructures was used to explain the fluctuations of recently measured internal stresses in dislocation cell structures, and to predict a systematic dependence of these stresses upon the cell size.
Modeling of Size-Dependent Internal Stresses in Dislocation Cell Structures. R.Sedláček, C.Schwarz, E.Werner: Materials Science and Engineering A, 2008, 474[1-2], 323-7