Preparation of nano-sized ODS alloys by ball-milling using metallic salts

A new method was employed to synthesize nano-sized ODS alloys using a light ball-milling and metallic salts as precursor materials. The ball-milling of nitrate solution or the use of tiny nitrate particles as precursor materials prior to its decomposition resulted in fine and uniform distribution of Y2O3 dispersoids in the metallic matrix. The powders prepared by these methods can be easily processed using a simple die-compaction/sintering technique, resulting in enhanced high temperature strength and ductility.