A dangerous use of the fading memory term for non linear kinematic models at variable temperature

Georges Cailletaud (1) , Stéphane Quilici (1) , Farida Azzouz (1) , Jean Louis Chaboche (2)

1 MAT - Centre des Matériaux
2 ONERA - The French Aerospace Lab [Palaiseau]

The purpose of this note is to shed the light on a specific problem linked to the use of a variable fading memory parameter in a nonlinear kinematic rule. A strong variation of this parameter versus temperature may generate cumbersome behaviours even with very simple temperature histories. A better solution is to use several non linear kinematic variables with a constant fading memory term.

Mots clés: Anisothermal loading; Plasticity; Non linear kinematic hardening

Domaines: Physique [physics]; Matière Condensée [cond-mat]; Science des matériaux [cond-mat.mtrl-sci]

Georges Cailletaud, Stéphane Quilici, Farida Azzouz, Jean Louis Chaboche. A dangerous use of the fading memory term for non linear kinematic models at variable temperature. European Journal of Mechanics - A/Solids, 2015, 54, pp.24-29. ⟨10.1016/j.euromechsol.2015.06.007⟩. ⟨hal-01183382⟩