Ductile - Brittle Transition of Ferritic Steels Modelled by the Local Approach to Fracture S. Renevey, S. Carassou, B. Marini, C. Eripret et A. Pineau J. Phys. IV France, 06 C6 (1996) C6-343-C6-352 DOI: 10.1051/jp4:1996634