STRESS-FIELDS OF DISORDERED DISLOCATION ARRAYS - A DOUBLE-WALL CONSISTING OF DISLOCATION DIPOLES

Fluctuations in the stress field induced by a pair of infinite walls o f uniform-randomly distributed dislocations which are coupled into dip oles are examined. Near each wall, the fluctuations decay as (x - a)(- 1/2), where x is the distance from a wall and a is half the interwall spacing. At distances x much larger than the separation of the walls, stress fluctuations diminish as x(-3/2).