Effect of Substrate Temperature on the Electrospark Deposition, Structure, and Mechanical Properties of Coatings. III. Effect of Preliminary Treatment of the Substrate on Electrospark Deposition and Phase Composition of Coatings

    
A.Rogozinskaya,
 
.Pasichnyy
 

I. M. Frantsevich Institute for Problems of Materials Science of the NAS of Ukraine, Krzhizhanovsky str., 3, Kyiv, 03142, Ukraine
Powder Metallurgy - Kiev: Frantsevich Institute for Problems of Materials Science NASU, 2012, #03/04
http://www.materials.kiev.ua/article/1009

Abstract

The effect of preliminary treatment of the substrate on the dynamic properties of cathode jets during electrospark deposition is studied. The energy of cathode jets is defined indirectly using the level of strain hardening of the electrode external layer. It is established that the dynamic properties of cathode jets are defined by the size of the electrode gap and structural and heat-transfer properties of the cathode material.


CATHODE STREAMS, COATING STRUCTURE, ELECTRIC SPARK DEPOSITION, SUBSTRATE TEMPERATURE