Mike Rife
Ansys Employee

Hi MLS MLS

Yes for what I understand of your modeling needs the Chaboche material model is added to a metal plasticity material model, and it can be multi-linear isotropic model.  See section 7.2.6 for and example here: 

https://ansyshelp.ansys.com/account/secured?returnurl=/Views/Secured/corp/v222/en/ans_mat/strmamoco050401.html%23strbischa6801

MIke