Steel ball,agate ball and zirconia ball were selected during the ball-milling process and the effect of different balls on dispersity of nano-sized SiC particle in Al matrix was investigated.

• 研究了球磨过程中选用钢球、玛瑙球和氧化锆三种不同材质的磨球对SiC纳米颗粒在Al中分散性的影响。