During preparation of glass-infiltrated zirconia composite, powder milling with agate milling media would mingle agate granules with alumina powder and form lacunas in the composite subsequently.

• 2，在制备玻璃渗透ZrO_2复合材料时，选用玛瑙球磨介质会在Al_2O_3粉体中引入玛瑙碎屑，从而在最终的复合材料中形成缺陷孔。