ENERGY CHARACTERISTICS OF SPHERICAL GLOW DISCHARGE

The ultimate goal of this study is optimization of the modification processes, namely the constructional details' surface nitriding, based on the using of glow discharge (GD). These processes are studied both experimentally and theoretically in spherical abnormal GD plasma in N(2)-Ar mixture. The balance equations for the density of charged particles and Poisson equation added with equation for heat conductivity are taken into account in the theoretical part of investigation. The last equation describes the influence of the hot cathode on the processes in discharge volume. As is shown, the correct account of the anode fall of potential plays a key role to represent adequately the volt-ampere characteristic of the spherical GD.