Experimental and theoretical results permitted the determination of the absolute values of stacking-fault energies of face-centered cubic metals from the stress-strain curves of single crystals. The activation energy for the cross-slip of screw dislocations was calculated as a function of the stacking-fault energy, the applied shear stress and the size of the piled-up dislocation groups. The determination of the stacking-fault energy of other fcc metals was possible by comparing the temperature dependence of the stage-III shear stress. Using data from the literature, the stacking-fault energy of Au was found to be 30mJ/m2.
Die Experimentelle Bestimmung von Stapelfehlerenergien Kubisch-Flächenzentrierter Metalle. A.Seeger, R.Berner, H.Wolf: Zeitschrift für Physik, 1959, 155[2], 247-62