Purification of metal alloy and powder

特許 権利維持 Disclosed is a method of purifying a metal including the steps of: (a) placing the metal in powder form into a reaction apparatus; (b) introducing to the metal powder a suitable carrier substance which can suspend the powder particles; and (c) introducing a deoxidant calcium vapour into the reaction apparatus to create a reaction between the metallic powder and calcium vapour thereby removing inclusions in the metal. Patent family with 3 members