Abstract:Experimental research on grinding characteristics of nano-composites ceramics were carried out using diamond wheel in two-dimensional ultrasonic vibration grinding (TDUVG) and the topography of the scratched grooves were observed with Transmission Electron Microscope. The surface crack, plastic deformation and brittle-ductile transition during chip formation were analyzed. Subsequently, the grinding model of nano-composites ceramics machining in TDUVG was established based on fracture theory of micro-indentati… Show more
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