In the ball mill, powdered materials can be ground into a nanometer fraction or mechanical alloying of multicomponent meterial can be achieved by the frequent and intense acti...

• 磨球对粉体的频繁强烈的撞击，研磨及搓擦等作用，使粉体能在短时间内研磨到纳米级，或使得多组元材料实现合金化。