A NOVEL PROCEDURE FOR MEASURING THE IMPACT FRACTURE TOUGHNESS KId WITH PRECRACKED CHARPY SPECIMENS J. F. Kalthoff, S. Winkler et W. BöhmeJ. Phys. Colloques, 46 C5 (1985) C5-179-C5-186DOI: https://doi.org/10.1051/jphyscol:1985523
