| Abstract: | The effects of niobium addition on a completely austenitic stainless steel matrix consisting of Fe-15%Cr-15%Ni, with about 0, 0.5, 1 and 2% niobium, were studied by determination of stacking fault energies by means of X-ray diffraction analysis. A strong influence of niobium on stacking-fault energies was found, whose behaviour can be explained as being due to decrease in the electron/atom ratio and increase in the L. Pauling electron vacancy number of austenitic Fe-Cr-Ni matrix brought on by niobium. |
