Strength enhancement and uniform strain distribution through cross route-constrained groove pressing

Abstract Constrained groove pressing (CGP) is one of the severe plastic deformation techniques for sheet metals to impose large strain and produce ultrafine-grained (UFG) structures without any change in dimensions. Cross route-constrained (Cross-CGP), an advanced version conventional CGP process, involves two cycles with equivalent 2.32 per cycle where square sample rotated by 90° after performing every CGP. The path during cross-CGP significantly affects homogenization mechanical properties. Sheets low carbon steel are processed through conventional-CGP routes. ability sustain maximum has been increased process due uniform distribution. tensile strength hardness higher than that CGP, especially at pass numbers. Tensile behavior different orientations (parallel perpendicular direction) have found be almost same sheet.