ABSTRACT

Viscoplastic Creep..........................................................................303 8.6 Material Parameters in Overlay Model ..................................................303

8.6.1 Viscoelastic (ve) Overlay Model ..................................................303 8.6.2 Poisson’s Ratio................................................................................306 8.6.3 Elastoviscoplastic (evp) Overlay Model .....................................307 8.6.4 Viscoelasticviscoplastic (vevp) Overlay Model .........................307 8.6.5 Parameters for Viscoelastic Model ..............................................309