Influence of the production parameters on the properties of the sinters made from displaced copper powders.

In this paper the production parameters influence on the properties of sinters made from copper powder which are obtained on the first stage of hydrometallurgical processing by displacing from copper fire scale, are presented. Pressed powder compacts density and sinters density were investigated. Also sinters bending strength, hardness, electric resistance were measured and sinters structure was observed and analysed. In described experiment sinters with very high properties were obtained and this indicate high suitability of the use of hydrometallurgical copper powders for application in powder metallurgy technology.