| Equal channel angular pressing (ECAP) is an effective process to produce materials with increased mechanical properties and no change of billet size. In the present paper the experimental and finite element analysis results of ECAP investigation were obtained. The influ- ence of die geometry and friction condition on irregularity of shear strain field in the cross section of the billet and therefore on mechanical properties distribution was studied. ECAP was shown to be always characterized by irregular shear strain distribution. Depending on die geometry and friction condition that irregularity could be reduced. |
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