This paper carried out the research on the geometrical and physical characteristics of surface in ultrasonic vibration ground of Al_2O_3-ZrO_2 ceramic nanocomposites.The experimental results of AFM images show that the grinding superficial in vibration grinding is dominated by ductile mechanism,some crystal refinement,the crush powder and pull-out of crystal grain are visible and there are almost no fracture.Furthermore,the surface roughness in vibration grinding with coarse grit is about 30%～40% less than ...
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