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Article
Optimization of the Equal Channel Angular Pressing (ECAP) Process for Strain Homogeneity
Materials Science Forum
  • Balakrishna Cherukuri
  • Raghavan Srinivasan, Wright State University - Main Campus
Document Type
Article
Publication Date
1-1-2007
Catalog Record
Catalog Record
Abstract
Two-Dimensional finite element analysis was carried out to optimize the equal channel angular pressing process (ECAP) for strain homogeneity under frictionless and frictional conditions. The effect of outside corner angle (Ψ), inner radius (r) and shear friction (m) on the strain homogeneity was investigated. The strain homogeneity can be increased by correcting the outside corner to eliminate the corner gap between the sample and the die at the expense of average strain. Small inside radius and outside corner radius would provide large deformations without much loss in the strain homogeneity under frictionless conditions. The work piece deformation is by bending if the inner radius exceeds a critical value. No improvement in strain homogeneity was observed under frictional conditions.
DOI
10.4028/www.scientific.net/MSF.539-543.3655
Citation Information
Balakrishna Cherukuri and Raghavan Srinivasan. "Optimization of the Equal Channel Angular Pressing (ECAP) Process for Strain Homogeneity" Materials Science Forum Vol. 539-543 Iss. 4 (2007) p. 3655 - 3660 ISSN: 0255-5476
Available at: http://works.bepress.com/raghavan_srinivasan/40/