7Narasimhan K S.Sintering of powder mixtures and the growth of ferrous powder metallurgy[J].Materials Chemistry and Physics,2001,67:56-65.
8Libardi S,Zadra M,Casari F,et al.Mechanical properties of nanostructured and ultrafine-grained iron alloys produced by spark plasma sintering of ball milled powders[J].Materials Science and Engineering,2008,A478:243-250.
9Eksi A K,Yuzbasioglu A H.Effect of sintering and pressing parameters on the densification of cold isostatically pressed A1 and Fe powder[J].Materials and Design,2007,28:1364-1368.
10Eksi A,Saritas S.Effects of powder hardness and particle size on the densification of cold isostatically pressed powders[J].Turkish J Eng Environ Sci,2002,26 (5):377-84.