Numerical modelling of ODS steel tube cold pilgered by HPTR. Focus on experimental measurements and simulation of residual stress.

D. Sornin (1) , E. A. Pachon (1) , E. Vanegas-Marques (2, 3) , R. Loge (3, 2) , K. Mocellin (3)

1 CEA-DES (ex-DEN) - CEA-Direction des Energies (ex-Direction de l'Energie Nucléaire)
2 Mines Paris - PSL (École nationale supérieure des mines de Paris)
3 CEMEF - Centre de Mise en Forme des Matériaux

Oxides Dispersed strengthened (ODS) stainless steels are foreseen for fuel cladding tubes in the coming generation of fission sodium cooled nuclear reactors. Classically those steels are cold formed as cladding tubes by a sequence of milling passes with intermediate heat treatments. This study focuses on numerical simulation of tube cold pilgering by High Precision Tube Rolling (HPTR). A 3D Finite Element Method mechanical analysis of the HPTR process is proposed. Results are confronted to experiments regarding geometry and residual stress.

Keywords: Cold Pilgering; ODS stainless steel; 3D finite element method; tube forming; residual stress

Domains: Nuclear Experiment [nucl-ex]; Nuclear Theory [nucl-th]

D. Sornin, E. A. Pachon, E. Vanegas-Marques, R. Loge, K. Mocellin. Numerical modelling of ODS steel tube cold pilgered by HPTR. Focus on experimental measurements and simulation of residual stress.. NUMIFORM 2016 - The 12th International Conference on Numerical Methods in Industrial Forming Processes, Jul 2016, Troyes, France. ⟨cea-02442353⟩