Abstract
A method of constructing slip-line fields based on experimental extrusion flow patterns was described in a previous paper. Such fields provide a basis for constructing representative solutions of strain-hardening flow problems. In this paper, after proving some theoretical results on the structure of such solutions, a method of analyzing slip-line fields is described and some typical results presented. The analysis comprises computation of the velocity solution and construction from it of a set of streamlines for comparison with the original flow pattern; computation of the total strain by integration along the streamlines, its graduation and adjustment to meet the boundary conditions; estimation of the stress field (shear stress k and mean pressure p) and check for consistency; and computation of the forces on the boundary of the plastic region and their resultant.
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