A MÖSSBAUER STUDY OF THE FRACTURE SURFACE AND THE INFLUENCE OF RETAINED AUSTENITE ON THE FRACTURE TOUGHNESS OF FE-9NI-0.1C STEEL K. J. KIM et L. H. SCHWARTZJ. Phys. Colloques, 37 C6 (1976) C6-405-C6-408DOI: https://doi.org/10.1051/jphyscol:1976679