Abstract
Extended tensile tests and newly-devised plane-strain tests have been performed on two commercial sheet steels: an aluminum-killed (A-K) steel and a cold-rolled, dual-phase (D-P) steel. Up to uniform strain in uniaxial tension, the average work-hardening rate of both steels was found to be independent of strain state (isotropic hardening). The planestrain behavior of both steels was in good agreement with predictions of Hill’s old theory of normal anisotropic plasticity. At larger strains, the work-hardening rate in tension is greater than in plane strain. All of the tests were adjusted to reflect constant strain rates and all results were well represented by work hardening of the Hollomon type.
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Wagoner, R.H. Comparison of plane-strain and tensile work hardening in two sheet steel alloys. Metall Trans A 12, 877–882 (1981). https://doi.org/10.1007/BF02648352
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DOI: https://doi.org/10.1007/BF02648352