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Isotropic / kinematic hardening

Isotropic / kinematic hardening

Isotropic / kinematic hardening

(OP)
Hello

I have been searching for parameters for known type of steel for use in a non-linear analysis to make approximisations in the plastic area. As far as I have understood, the curve in the plastic area is defines as follows: σ=(1-β)Y+βEε , where β is the strain hardening factor, Y is yield stress. How is this factor (β) compared to isotropic / kinematic hardening factor? Can you choose β to be a function if the hardening factor is linear, exponential, logarithmical etc., or does another function apply to this?

Regards

Tommy

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