To optimizing the milling processing, the particle size and microstructure of the powders milled at various conditions, e.g. sample nature, milling time, ratio of milling ball etc.

• 由于超细粉碎过程中特有的团聚现象,当颗粒尺寸达到极限值时,进一步延长球磨时间,反而使球磨的效果变差,降低球磨效率。