The Preparation of PS304 Nonacomposite Powders by
The PS304 powders were prepared by mechanical alloying(MA)using Ni,Cr,Cr2O3,Ag and BaF2/CaF2 influence of different milling time on powders characteristics was results showed that the grain sizes were reduced during mechanical alloying,and the grain sizes of Cr2O3 and Ag were less than 50 nm after 15 h,with increase of milling time,the peaks of