Abstract
AbstractThis paper deals with diffusion of point defects due to lattice deformations around the defects. The continuum theory of lattice defects is applied to derive suitable diffusion equations taking into consideration the fields of self‐stresses caused by the drift of defects. The model is applied to defects near surfaces and interfaces. The interesting phenomenon of “near‐surface Cottrell atmospheres” is discussed. The authors show that Cahns theory of spinodal decomposition is included in the model as a special case.
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