Damage Data for low carbon steel C4

[farzadtb]

Hi All

I am searching for Damage Data for C4 Steel for cold forming , Lemaitre, or Cockroft, in Lemaitre I am not sure what to assume for the damage resistance

 

[TGS4]

What do you mean by "damage"?

 

[farzadtb]

The Coefficients of the Damage models , like Lemaitre , Cockroft, or JohnsonCook