Micromechanical Modeling of Ductile Fracture Initiation to Predict Fracture Toughness of Reactor Pressure Vessel Steels R. Chaouadi, P. De Meester and M. Scibetta J. Phys. IV France, 06 C6 (1996) C6-53-C6-64 DOI: 10.1051/jp4:1996606