2Silana Luyckx,Mohamed Zunaid Al i. Comparison between VC and Cr3C2 as grain refiners for WC-Co Materials and Design[J].Powder Metal urgy,2001,(01):22.
8Tracey V A. Nicked in hardmetals[J].Journal of Refractory Metals and Hard Ma-terials,1992,(01):1.
9Sun J. Characterizations of bal-mil ed nanocrystal ine WC-Co powders and subsequently rapid hot pressing sintered cermets[J].{H}Materials Letters,2003,(03):140.