1993 Volume 33 Issue 9 Pages 996-1002
A commercial SUS 304 stainless steel was machined by EDM with a sialon electrode. The machined surface changed from the machining to the surface modification layer on the some proper machining conditions. The effect of the following factors to form the surface layer was investigated: Electrode polarity, work atmosphere and the working condition of the peak current, pulse duration and duty factor. Under the suitable machining conditions, the EDMed surface was covered with the alloyed layer, which consisted of the electrode and work piece components. The surface modified layer improved the corrosion and wear resistance.
