Abstract
The flow and work hardening behaviour of pure copper (FCC), interstitial-free steel (BCC) and AZ31 magnesium (HCP) sheets were investigated under tensile and shear deformation modes. The sheets were deformed via tensile and shear punch testing (SPT) at room and 0.4Tm temperatures. The work hardening rate of sheet metals quantified by the Kocks–Mecking modelling approach was found to be significantly lower in the shear mode than in tension. Taylor factor values for the deformed samples were computed from the measured textures after tensile and shear tests to reveal the role of textural evolution on the work hardening rate. The difference in the work hardening under two strain paths was proposed to be associated with the lower Taylor factor values.
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