Experimental results obtained by studying the low-temperature creep behavior before and after a small stress change were interpreted in terms of barriers due to intersecting dislocations. Using the data available on the temperature dependence of the flow stress, in conjunction with these experimental results, estimates of jog energies were derived and compared with values obtained from flow stress data alone. Relative dislocation widths for various metals were also deduced. From a theoretical analysis relating dislocation width to stacking-fault energy, tentative values were suggested for the stacking fault energies of Au, Ag, Al, Ni, Pb, Zn, Cd, Co and Pt, relative to that of Cu. The values for Ni was 95mJ/m2.

The Effect of Stacking Fault Energy on Low Temperature Creep in Pure Metals. P.R.Thornton, P.B.Hirsch: Philosophical Magazine, 1958, 3[31], 738-61