Equal channel angular pressing is both a novel and an industrialized process among severe
plastic deformation methods to fabricate ultra-fine-grained metals and alloys.
Verification of a three-dimensional finite element model which compares various strength
coefficients and strain-hardening exponents (virtual materials) defined for the plastic
deformation behavior of materials was performed with experimental tests. The virtual
process numerically analyzed the effects of the strain behavior and pressing force. The
results show that strength coefficient enhancement leads to decreased effective strain
value, heterogeneous strain distribution and higher pressing force, and an increment in
the strain-hardening exponent results in lower pressing force. However, this parameter
does not have an obvious effect on the effective strain magnitude and strain dispersal
uniformity. Furthermore, the highest imposed effective strain, the best strain
distribution homogeneity and the lowest required punch load were achieved for the deformed
material with the lowest strength coefficient and highest strain-hardening exponent.